CN107142427A - A kind of spiral forming X80 steel-grade marine riser supervisor and its manufacture method - Google Patents
A kind of spiral forming X80 steel-grade marine riser supervisor and its manufacture method Download PDFInfo
- Publication number
- CN107142427A CN107142427A CN201710284486.XA CN201710284486A CN107142427A CN 107142427 A CN107142427 A CN 107142427A CN 201710284486 A CN201710284486 A CN 201710284486A CN 107142427 A CN107142427 A CN 107142427A
- Authority
- CN
- China
- Prior art keywords
- marine riser
- welding
- steel
- supervisor
- spiral forming
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/18—Submerged-arc welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/235—Preliminary treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Earth Drilling (AREA)
- Heat Treatment Of Steel (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a kind of spiral forming X80 steel-grade marine riser supervisor, the chemical composition that the marine riser is responsible for is C according to mass percent：≤ 0.04~0.08%, Si：0.15~0.35%, Mn：1.55~1.85%, P：≤ 0.012%, S：≤ 0.004%, Ni：0.15~0.30%, Cr：0.15~0.30%, Cu：0.10~0.30%, Mo：0.15~0.30%, Nb：0.03~0.06%, V：≤ 0.06%, Ti：≤ 0.06%, Al：≤ 0.04%, its carbon equivalent Ceq≤0.45%, CEpcm≤0.22%, remaining is iron and inevitable impurity；The marine riser supervisor is using hot-rolled coil as raw material, and Main Tissues are the compound fine grained textures of the bainite of acicular ferrite ten.The X80 marine risers supervisor of the spiral forming of the present invention, not only intensity is high, dimensional accuracy is high, and the excellent combination property such as anti-fatigue performance, break resistance and corrosion resistance.
Description
Technical field：
The present invention relates to OCTG technical field, and in particular to a kind of spiral forming X80 steel-grade marine riser supervisor and its
Manufacture method.
Background technology：
As the mankind are to the continuous increase of energy demand, ocean has become the frontier of global resources exploitation, marine drilling
Marine riser supervisor is an important equipment unit of Offshore Drilling Riser system, and it is the weight for connecting subsea wellheads and drill ship
Want part, technical requirement is higher, the especially geometric accuracy of Welded Pipe proposes higher requirement, development difficulty compared with
Greatly, it is that a kind of petroleum drilling and mining with excessive risk, highly difficult, high-tech, high added value is equipped.
In recent years, Offshore Drilling Riser adapts to sea water advanced ability and alreadys exceed 3000 meters.There is offshore drill at present
The country of well marine riser development ability only has the countries such as the U.S., Norway, Japan, France, and Deep Water Drilling Riser system is integrally set
Meter is only grasped with analytical technology by a few company.In recent years, although China is in Offshore Drilling Riser theoretical research side
A few thing has been done in face, and certain experience is have accumulated in terms of marine riser maintenance, but fails to enter substantial formation production always
In the product stage, reach production domesticization engineer applied.
Stability failure of the marine riser in deep-sea extreme environment is the Main Patterns of its destruction, once occur local
Conquassation, will induce buckle propagation, cause pipeline global failure, and consequence is extremely serious, therefore prevent pipeline conquassation failure from being to ensure
Deep-sea structure has to safely the key issue solved.It is responsible for as drilling water-separation pipe, in order to prevent because caused by hydraulic pressure
Collapse and conquassation, be small radius-thickness ratio (D/t) line pipe using pipe with small pipe diameter, big wall thickness, and require high circularity, and for pipeline
For the material of pipe, in order to resist because of external pressure in the compression stress produced along pipe circumferential direction, it is necessary to higher compression strength.
The publication No. announced for 2014 is CN103556079A patent of invention, and a kind of entitled anti-fatigue performance is excellent
High intensity marine riser is responsible for and its manufacture method, and the chemical composition of marine riser supervisor is C：≤ 0.04~0.08%, Si：0.15~
0.35%, Mn：1.55~1.85%, P：≤ 0.015%, S：≤ 0.003%, Ni≤0.30%, Cr≤0.30%, Cu≤
0.25%, Mo≤0.25%, Nb 0.02~0.06%, V：≤ 0.06%, Ti0.008~0.06%, Al0.010~0.04%,
N≤0.008%, Al/N >=3, Ni+Cu+Mo+Cr≤0.70%, Nb+V+Ti≤0.12%, surplus is iron and inevitably miscellaneous
Matter, its carbon equivalent Ceq≤0.45%, cold crack FACTOR P cm≤0.23%, and by JCOE shaping manufacture vertical masonry joint submerged arc ocean every
Water pipe is responsible for, and the manufacture method is different from the present invention.The present invention uses spiral forming, relative to the ERW, there is very good
Crossing ellipsization degree and end face squareness, it is to avoid welding residual stress larger tee welding during site girth welding, reduce production
The possibility of raw crackle, and spiral welded pipe is better than ERW in terms of crack arrest characteristic.
The notification number of bulletin in 2015 is that the notification number of CN103540834B and 2016 year bulletin is CN103484788A's
Patent of invention, belongs to one-step method, all mainly includes uncoiling, leveling, milling side, shaping, interior weldering, outside weld, Length-fixing cutting, pipe end expansion
Footpath, ultrasonic examination, X-ray examination, hydraulic pressure, pipe end chamfered edge, finished product inspection.The present invention uses the pre- astute and able technique of two-step method, will
Shaping is separated with welding, i.e., tack welding process is completed on welded pipe units production line, and inside and outside astute and able technique is in offline astute and able stand
Upper use multifibres is soldered into, so as to improve formed precision, eliminate the tension to weld seam when being molded welding, it is to avoid weld seam
Defect, further increases the physical dimension and production efficiency of body.The present invention uses high rigidity strength forming device, passes through optimization
Roll shape, roll spacing and the arrangement of three-roll bending machine structure, the structure of external control roller so that pipe with small pipe diameter, big wall thickness spiral welded pipe structure
Stress is low, and physical dimension is stable.
The content of the invention：
It is an object of the invention to provide a kind of spiral forming X80 steel-grade marine riser supervisor and its manufacture method, the present invention
The caliber of marine riser supervisor be Ф 533.4mm, wall thickness is 25.4mm, marine riser main tube body transverse direction and longitudinal direction yield strength >=
555MPa, tensile strength >=625MPa, body transverse direction and longitudinal direction yield tensile ratio≤0.90, welding point tensile strength >=625MPa,
Laterally dropped hammer at 0 DEG C and with lower tube body average shear area >=85, monodrome section of shear >=75%, 0 DEG C and with lower tube body and weldering
Connect the crack tip opening displacement CTOD characteristic values δ m of joint >=0.254mm, body and welding point highest hardness value town 260
>=HV10, eccentricity≤5.5%, ovality≤0.3%, linearity≤0.05%, and in the case of simulated seawater external pressure
Body is without Depression Instability or conquassation phenomenon.
In order to solve the above technical problems, the technical solution adopted by the present invention is a kind of spiral forming X80 steel-grade marine riser master
Pipe, the chemical composition of the marine riser supervisor is C：≤ 0.04~0.08%, Si：0.15~0.35%, Mn：1.55~
1.85%, P：≤ 0.012%, S：≤ 0.004%, Ni：0.15~0.30%, Cr：0.15~0.30%, Cu：0.10~
0.30%, Mo：0.15~0.30%, Nb：0.03~0.06%, V：≤ 0.06%, Ti：≤ 0.06%, Al：≤ 0.04%, its
Carbon equivalent Ceq≤0.45%, CEpcm≤0.22%, remaining is iron and inevitable impurity, and the marine riser supervisor is with hot rolling
Roll bending is raw material, and Main Tissues are the compound fine grained textures of the bainite of acicular ferrite ten.
The manufacture method of above-mentioned spiral forming X80 steel-grade marine riser supervisor, including：Uncoiling, leveling, milling side, pre-bending, into
Type, prewelding, cutting, interior weldering, outside weld, ultrasonic examination, X-ray examination, expanding pipe end, hydraulic pressure, pipe end chamfered edge, finished product inspection.
1) leveling：Just leveling is carried out after roll bending uncoiling first, then roll bending head is sheared to postwelding, secondary fine is carried out
Leveling, lays the first stone for control thick-wall small-diameter spiral welded pipe body geometric accuracy.
2) roll bending milling side：Roll bending is chosen according to the minor diameter of welded tubing design and big wall thickness, the crescent moon that roll bending is reduced as far as possible is curved,
Outside weld bevel angle is 60 °~65 °, 10~12mm of the width of root face in behind milling side, to eliminate produced after joint close " interior tight outer
Pine " phenomenon, obtains the bevel shape for being conducive to small radius-thickness ratio shaping occlusion, it is ensured that two edges end face is concordant when postorder is welded,
Ensure slab joint penetration.
3) spiral forming：Using high rigidity strength forming device, it is desirable to which main motor current is higher, by optimizing three-roll bending machine
Roll shape, roll spacing and the arrangement of structure, according to big wall thickness roll bending yield strength level in kind, using forming by external control mode, pass through
Adjust 1#, 3# roller cornerite, main adjustment 2# roller 2.5~3mm of drafts, while outer roller spacing and angle in adjustment, eliminate shaping
During pout one's lips, unfitness of butt joint is reduced as far as possible, it is ensured that after minor diameter and big wall thickness welded tube forming have preferable ovality and compared with
Low residual stress, effectively control spiral submerged welded pipe ovality is exceeded.
4) prewelding：Prewelding is carried out to the reel of spiral forming using carbon dioxide gas arc welding.
5) cut：Length-fixing cutting is carried out to the spiral welded pipe being soldered in advance.
6) welded in：The technique of interior weldering is：Number one welding wire uses DC reverse connection, gage of wireElectric current 1350
± 200A, 35 ± 2V of voltage；No. second welding wire is using exchange, gage of wire600 ± 50A of electric current, voltage 37 ±
2V；Speed of welding is 1.0~1.5m/min.
7) outside weld：The technique of outside weld is：Number one welding wire uses DC reverse connection, gage of wireElectric current 1350
± 200A, 34 ± 3V of voltage；No. second welding wire is using exchange, gage of wire550 ± 50A of electric current, voltage 38 ±
2V；Speed of welding is 1.0~1.5m/min.
8) water pressure test：Stress is used to carry out hydrostatic test for 100% SMYS, it is ensured that body and weld seam are not
But after the intensity with X80 steel-grade, and water pressure energy control minor diameter, the requirement of big wall thickness body geometric accuracy, hydraulic pressure,
Make marine riser supervisor that there is relatively low residual stress.
9) X-ray examination and ultrasonic examination：Welded Joints and pipe mother are detected.
10) pipe end slope-mouth process：Size is in steel pipe two ends finished edge as requested.
11) appearance and dimension check：Steel pipe outward appearance geometric accuracy is measured as requested.
Beneficial effects of the present invention：
1st, the present invention makes roll bending master by design of alloy and microstructures Control to marine riser supervisor's tubing
Organize to be controlled as the compound fine grained texture of the bainite of acicular ferrite ten, it is ensured that tubing has high intensity, high tenacity, corrosion resistant
Erosion and the characteristic such as solderability is good, it is ensured that after minor diameter and big wall thickness roll bending tubulation welded tube body and welding point to intensity, toughness,
The requirement of fatigue resistance and decay resistance etc..
2nd, the present invention is responsible for marine riser the control of spiral forming mode by pre- astute and able two-step method, efficiently solves
Problem is interfered between shaping and welding.Using high rigidity strength forming device, 2# roller 2.5~3mm of drafts are adjusted, are protected
Demonstrate,prove small radius-thickness ratio (D/t) spiral welded pipe to possess enough pressure and be molded, and ensure that body and pipe end geometric accuracy are conformed to
Ask；Outside weld X bevel angles are respectively 60 °, width of root face 11mm in behind milling side, it is ensured that heavy wall coiled sheet can be welded in welding process
Thoroughly, undercut is prevented, and improves seam center.By reducing weld heat input, reduction welding point residual stress and sweating heat are defeated
Enter, improve welding seam tissue capability.
3rd, the present invention is by the control to marine riser supervisor's welding procedure, using a kind of high Ni novel welding wires, success
Improve low-temperature flexibility and weld strength that X80 steel-grade marine riser is responsible for weld seam, the low temperature brittleness transformation temperature of reduction welded tube welding seam
Degree, inside and outside Welding preferably ensures intensity and the requirement of tough sexual satisfaction of weld seam.The selection of welding parameter, takes into full account Double Wire Welding
In each silk effect, adjust electric current, voltage, elongation, angle and the silk spacing of each silk, it is ensured that the fusion penetration of weld seam and good weldering
Slit looks, according to 25.4mm thicknesss of slab, number gage of wire selection of outside weldWeldering one in remaining, No. two welding wires and outer
No. two gage of wires of weldering are usedLow heat input is selected as far as possible, it is ensured that weld seam possesses good toughness and appropriate
Hardness.
4th, 100% SMYS hydrostatic test, dwell time are carried out to the X80 marine risers supervisor after expanding
15s, makes have good circularity after welded tube forming, and with certain low residual stress.
Embodiment：
Embodiment：The manufacture method of X80 steel-grade Ф 533 × 25.4mm spiral formings marine riser supervisor.
1) raw material：Using X80 steel-grade 1140 × 25.4mm coil of strips, its roll bending chemical composition analysis such as following table：
The X80 Ф 533 × 25.4mm spiral formings marine riser of table 1 supervisor's chemical composition analysis (wt%)
The marine riser of table 2 is with high Ni welding wires chemical composition analysis (wt%)
2) milling side：Upper 60 ° of bevel angle, 60 ° of lower bevel angle, width of root face 11mm behind milling side.
3) it is molded；According to roll bending yield strength level in kind, using forming by external control mode, accurate measurement controls each format roll
Position and angle, adjustment rotating disk angle is 45 ° of 50 ＇, and interior roller angle is 45 ° of 5 ＇, and outer roller angle is 45 ° of 45 ＇, Reasonable adjustment 2#
Roller 2.5~3mm of drafts, measurement pipe ring spring-go amount is -20mm, it is ensured that minor diameter and big wall thickness are small radius-thickness ratio (D/t) spiral
There is good circularity and low residual stress after welded tube forming.
4) prewelding and cutting：Prewelding is carried out using carbon dioxide gas arc welding, then according to order condition to spiral welding
Pipe carries out about 12 meters of Length-fixing cutting；
5) welded in：Number one welding wire uses DC reverse connection, electric current 1350A, voltage 36V；No. second welding wire is using exchange, electricity
Flow 640A, voltage 38V；Welding wire uses high Ni novel welding wires；Speed of welding is 1.30m/min.
6) outside weld：The technique of outside weld is：Number one welding wire uses DC reverse connection, electric current 1400A, voltage 34V；No. second weldering
Silk is using exchange, electric current 600A, voltage 36V；Welding wire uses high Ni novel welding wires；Speed of welding is 1.30m/min.
7) water pressure test：100% SMYS hydrostatic test, dwell time 15s are carried out to the steel pipe after expanding.
8) pipe end slope-mouth process：Pipe end is processed, upper bevel angle is 10 °, and lower bevel angle is 30 °, and root face is
1.0±0.5mm。
9) ultrasonic inspection：100% ultrasound examination is carried out to weld dimensions, for detecting expanding, hydraulic pressure production
Raw defect.
10) X-ray examination：The industrial television inspection and pipe end that 100% is carried out to steel pipe inner and outer welding are made film, for detecting
The defect that pipeline section is expanding, hydraulic pressure is produced.
11) appearance and dimension check：Spiral welded pipe outward appearance geometric accuracy is measured as requested.
12) from table 3, X80 Ф 533 × 25.4mm spiral formings marine riser supervisor's intensity reaches X80 steel-grade water
It is flat, moderate strength.From table 4, the high Ni novel welding wires of use are further optimized by welding condition, successfully improved
X80 steel-grade marine riser is responsible for the low-temperature flexibility of weld seam, and welding point 50%FATT low-temperature flexibility transition temperatures reach -40 DEG C,
New wlding is developed in harmony with the small-bore high strength helical welded tube of big wall thickness with pipe line steel.From 5~table of table 8, body and weldering
Joint hardness is low, and antifatigue and acid-fast ability is all stronger.From table 9, body and welding point in the seawater operation when
Possesses the routed ability of certain resistance to compression.
The detection of welded tube main performance is as follows：
1) transverse tensile property.
The X80 Ф 533 × 25.4mm spiral formings marine riser of table 3 is responsible for cross directional stretch and bend test result
2) Charpy impact toughness, DWTT and bend test result.
The X80 Ф 533 × 25.4mm spiral formings marine riser of table 4 supervisor impact, DWTT and bend test result
3) welding point Vickers hardness.
The X80 Ф 533 × 25.4mm spiral formings marine riser of table 5 supervisor mother metal, Seam and heat effected zone Vickers are hard
Degree
(HV10)
4) crack tip opening displacement (CTOD) result of the test.
The X80 Ф 533 × 25.4mm spiral formings marine riser of table 6 supervisor CTOD (0 DEG C)
5) apparent size testing result.
The X80 Ф 533 × 25.4mm spiral formings marine riser of table 7 is responsible for apparent size
6) corrosion resistance testing result.
The X80 Ф 533 × 25.4mm spiral formings marine riser of table 8 is responsible for anticorrosive test result
7) crush resistance test result.
The X80 Ф 533 × 25.4mm spiral formings marine riser of table 9 is responsible for apparent size crush resistance
As can be seen here, this spiral welded pipe main performance testing result in kind and X80 steel-grade 533 × 25.4mm of Ф spirals into
The main performance requirements contrast of type marine riser supervisor, utilizes 533 × 25.4mm of X80 steel-grade Ф of the technology manufacture of the present invention
Spiral forming marine riser is responsible for, high with high intensity, high tenacity, compression strength, and the characteristic such as excellent corrosion resistance is applicable
Yu Haiyang explores drilling operation.
Claims (5)
1. a kind of spiral forming X80 steel-grade marine riser supervisor, it is characterised in that：The chemical composition of the marine riser supervisor is according to matter
Amount percentage is C：≤ 0.04~0.08%, Si：0.15~0.35%, Mn：1.55~1.85%, P：≤ 0.012%, S：≤
0.004%, Ni：0.15~0.30%, Cr：0.15~0.30%, Cu：0.10~0.30%, Mo：0.15~0.30%, Nb：
0.03~0.06%, V：≤ 0.06%, Ti：≤ 0.06%, Al：≤ 0.04%, its carbon equivalent Ceq≤0.45%, CEpcm≤
0.22%, remaining is iron and inevitable impurity；The marine riser supervisor is using hot-rolled coil as raw material, and Main Tissues are needle-like
The compound fine grained texture of the bainite of ferrite ten.
2. the manufacture method of a kind of spiral forming X80 steel-grade marine riser supervisor according to claim 1, using pre- astute and able two
Footwork：Including uncoiling, leveling, milling side, pre-bending, shaping, prewelding, cutting, interior weldering, outside weld, ultrasonic examination, X-ray examination, pipe
Hold expanding, hydraulic pressure, pipe end chamfered edge, finished product inspection.It is characterized in that：The milling side is according to small radius-thickness ratio, using double edge milling machines
In being processed into behind X-type groove and accurate working width, milling side outside weld bevel angle be 60 °~65 °, the width of root face be 10~
12mm；The shaping is by the way of spiral forming, from big rigidity former, 1#, 3# roller cornerite is adjusted, under adjustment 2# roll-ins
Measure as 2.5~3mm, while outer roller spacing and angle in adjustment, it is ensured that have after minor diameter and big wall thickness welded tube forming preferable
Ovality and relatively low residual stress.
3. the manufacture method of spiral forming X80 steel-grade marine riser supervisor according to claim 2 a kind of, it is characterised in that：
The technique of the interior weldering is：Number one welding wire uses DC reverse connection, gage of wire1350 ± 200A of electric current, voltage
35±2V；No. second welding wire is using exchange, gage of wire600 ± 50A of electric current, 37 ± 2V of voltage；Speed of welding is
1.0~1.5m/min.
4. the manufacture method of spiral forming X80 steel-grade marine riser supervisor according to claim 2 a kind of, it is characterised in that：
The technique of the outside weld is：Number one welding wire uses DC reverse connection, gage of wire1350 ± 200A of electric current, voltage
34±3V；No. second welding wire is using exchange, gage of wire550 ± 50A of electric current, 38 ± 2V of voltage；Speed of welding is
1.0~1.5m/min.
5. the manufacture method of spiral forming X80 steel-grade marine riser supervisor according to claim 2 a kind of, it is characterised in that：
The interior weldering and outside weld use high Ni welding wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710284486.XA CN107142427B (en) | 2017-04-25 | 2017-04-25 | A kind of spiral forming X80 steel-grade marine riser supervisor and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710284486.XA CN107142427B (en) | 2017-04-25 | 2017-04-25 | A kind of spiral forming X80 steel-grade marine riser supervisor and its manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107142427A true CN107142427A (en) | 2017-09-08 |
| CN107142427B CN107142427B (en) | 2019-01-04 |
Family
ID=59773995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710284486.XA Active CN107142427B (en) | 2017-04-25 | 2017-04-25 | A kind of spiral forming X80 steel-grade marine riser supervisor and its manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107142427B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108380692A (en) * | 2018-02-12 | 2018-08-10 | 湘潭市智全机械有限公司 | A kind of heavy wall stainless steel minor diameter rotary drum forming method |
| CN109014793A (en) * | 2018-09-05 | 2018-12-18 | 中国石油集团渤海石油装备制造有限公司 | A kind of manufacturing method of spiral seam thermometal composite welded pipe |
| CN109852889A (en) * | 2019-04-02 | 2019-06-07 | 鞍钢股份有限公司 | Economical 460MPa grades of weather-proof peg wire rod, production method and peg |
| US20210268612A1 (en) * | 2018-07-20 | 2021-09-02 | Mitsubishi Power, Ltd. | Repair welding method |
| WO2021196365A1 (en) * | 2020-03-30 | 2021-10-07 | 南京钢铁股份有限公司 | High-ductility pipeline steel plate and manufacturing method therefor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192234A (en) * | 2013-04-01 | 2013-07-10 | 宝鸡石油钢管有限责任公司 | Spiral molded large-deformation-resistant submerged-arc welding pipe and manufacture method thereof |
| CN103484788A (en) * | 2013-08-31 | 2014-01-01 | 宝鸡石油钢管有限责任公司 | Hydrogen sulfide corrosion resistance high strength X80MS spiral submerged arc welded pipe and manufacture method thereof |
| CN103540834A (en) * | 2013-10-07 | 2014-01-29 | 宝鸡石油钢管有限责任公司 | X65MS/X70MS spiral submerged-arc welded pipe with excellent SSCC (Sulfide Stress Corrosion Cracking) stress corrosion resistance as well as manufacturing method thereof |
| CN103556079A (en) * | 2013-10-14 | 2014-02-05 | 宝鸡石油钢管有限责任公司 | High-strength water riser main-pipe with excellent anti-fatigue performance and manufacturing method thereof |
| CN105624584A (en) * | 2014-11-06 | 2016-06-01 | 中国石油天然气集团公司 | K65 control-rolled steel plate and longitudinal submerged arc welded pipe used in frigid zone and manufacturing method of longitudinal submerged arc welded pipe |
-
2017
- 2017-04-25 CN CN201710284486.XA patent/CN107142427B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192234A (en) * | 2013-04-01 | 2013-07-10 | 宝鸡石油钢管有限责任公司 | Spiral molded large-deformation-resistant submerged-arc welding pipe and manufacture method thereof |
| CN103484788A (en) * | 2013-08-31 | 2014-01-01 | 宝鸡石油钢管有限责任公司 | Hydrogen sulfide corrosion resistance high strength X80MS spiral submerged arc welded pipe and manufacture method thereof |
| CN103540834A (en) * | 2013-10-07 | 2014-01-29 | 宝鸡石油钢管有限责任公司 | X65MS/X70MS spiral submerged-arc welded pipe with excellent SSCC (Sulfide Stress Corrosion Cracking) stress corrosion resistance as well as manufacturing method thereof |
| CN103556079A (en) * | 2013-10-14 | 2014-02-05 | 宝鸡石油钢管有限责任公司 | High-strength water riser main-pipe with excellent anti-fatigue performance and manufacturing method thereof |
| CN105624584A (en) * | 2014-11-06 | 2016-06-01 | 中国石油天然气集团公司 | K65 control-rolled steel plate and longitudinal submerged arc welded pipe used in frigid zone and manufacturing method of longitudinal submerged arc welded pipe |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108380692A (en) * | 2018-02-12 | 2018-08-10 | 湘潭市智全机械有限公司 | A kind of heavy wall stainless steel minor diameter rotary drum forming method |
| US20210268612A1 (en) * | 2018-07-20 | 2021-09-02 | Mitsubishi Power, Ltd. | Repair welding method |
| US11872663B2 (en) * | 2018-07-20 | 2024-01-16 | Mitsubishi Heavy Industries, Ltd. | Repair welding method |
| CN109014793A (en) * | 2018-09-05 | 2018-12-18 | 中国石油集团渤海石油装备制造有限公司 | A kind of manufacturing method of spiral seam thermometal composite welded pipe |
| CN109014793B (en) * | 2018-09-05 | 2019-09-10 | 中国石油集团渤海石油装备制造有限公司 | A kind of manufacturing method of spiral seam thermometal composite welded pipe |
| CN109852889A (en) * | 2019-04-02 | 2019-06-07 | 鞍钢股份有限公司 | Economical 460MPa grades of weather-proof peg wire rod, production method and peg |
| CN109852889B (en) * | 2019-04-02 | 2021-01-08 | 鞍钢股份有限公司 | Economical wire rod for 460 MPa-grade weather-resistant stud, production method and stud |
| WO2021196365A1 (en) * | 2020-03-30 | 2021-10-07 | 南京钢铁股份有限公司 | High-ductility pipeline steel plate and manufacturing method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107142427B (en) | 2019-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107142427B (en) | A kind of spiral forming X80 steel-grade marine riser supervisor and its manufacturing method | |
| CN100547103C (en) | A kind of method for manufacturing high-strength X 80 steel spiral welded pipe | |
| CN102330034B (en) | X65MS steel-grade spiral welded tube for acidic corrosion environment and manufacturing method thereof | |
| CN101797600B (en) | Method for manufacturing high-strength X100 steel grade spiral seam submerged arc welded pipe | |
| CN102310119B (en) | Manufacturing method of X65 pipeline steel longitudinal submerged arc welded pipe for undersea use | |
| CN103192234B (en) | Spiral molded large-deformation-resistant submerged-arc welding pipe and manufacture method thereof | |
| CN103556054A (en) | High-strength medium-caliber thick-wall subsea pipeline and its manufacturing method | |
| CN101886222B (en) | Method for manufacturing high-strength X90 steel grade spiral submerged arc welded pipe | |
| CN103556079B (en) | The high strength marine riser supervisor that a kind of anti-fatigue performance is excellent and manufacture method thereof | |
| CN102383049B (en) | Method for manufacturing low-cost high-toughness X70 steel spiral submerged arc welded pipe | |
| CN103521550A (en) | Manufacturing method of X90 grade pipeline steel large-opening-diameter thick-wall longitudinal submerged-arc welded pipe | |
| JP5413537B2 (en) | High strength steel plate and high strength steel pipe excellent in deformation performance and low temperature toughness, and methods for producing them | |
| JP5796351B2 (en) | High strength sour line pipe excellent in crush resistance and manufacturing method thereof | |
| WO2012019422A1 (en) | Method for manufacturing continuous expansion pipe with high strength and ductility | |
| CN103350320A (en) | Production method of corrosion-resistant bimetal composite pipe | |
| CN102205458A (en) | Manufacturing method for X120 steel-level spiral seam hidden arc welding tube | |
| CN110000517B (en) | Marine high-strain welded steel pipe based on dual-phase structure and preparation method thereof | |
| CN105624584B (en) | A kind of extremely frigid zones K65 controlled rollings steel plate, straight-line joint submerged arc welding tube and its manufacture method | |
| CN104089109A (en) | 625MPa-level UOE and manufacturing method thereof | |
| CN107262883A (en) | A kind of multi-wire submerged-arc welding process of X70 heavy walls steel pipes with straight | |
| CN106119685A (en) | A kind of anti-deep water conquassation Offshore Drilling Riser and manufacture method thereof | |
| JP5803270B2 (en) | High strength sour line pipe excellent in crush resistance and manufacturing method thereof | |
| CN106540987A (en) | A kind of X80 levels pipe line steel heavy caliber thick wall spiral submerged arc welded pipe manufacturing method | |
| CN101701315B (en) | Manufacturing method of submerged pipeline steel pipe | |
| CN102330032B (en) | Acid-proof X70MS steel-grade spiral welded pipe and manufacturing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |