CN106995903A - A kind of ocean engineering anticorrosion stress-resistant dual phase steel stainless steel wire rope and preparation method - Google Patents

A kind of ocean engineering anticorrosion stress-resistant dual phase steel stainless steel wire rope and preparation method Download PDF

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Publication number
CN106995903A
CN106995903A CN201710208670.6A CN201710208670A CN106995903A CN 106995903 A CN106995903 A CN 106995903A CN 201710208670 A CN201710208670 A CN 201710208670A CN 106995903 A CN106995903 A CN 106995903A
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China
Prior art keywords
steel wire
wire rope
dual phase
stainless steel
steel
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CN201710208670.6A
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Chinese (zh)
Inventor
徐华
翟海平
翟素萍
翟华平
王庆
徐小静
杜忠罡
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JIANGSU XIHU SPECIAL STEEL CO Ltd
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JIANGSU XIHU SPECIAL STEEL CO Ltd
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Priority to CN201710208670.6A priority Critical patent/CN106995903A/en
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    • 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
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/16—Remelting metals
    • C22B9/18—Electroslag remelting
    • 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite

Abstract

The present invention proposes a kind of ocean engineering anticorrosion stress-resistant dual phase steel stainless steel wire rope, its raw steel by weight percentage by 25% 28% elemental chromium (Cr), 6% 9% elemental nickel (Ni), constituted based on 3% 5% molybdenum (Mo) and iron, microalloy treatment is carried out with nitrogen (N) element not less than 0.3%, boron (B), titanium (Ti), aluminium (Al), vanadium (V), any one of niobium (Nb) or several trace elements that content is not more than 0.5% are added in steel.The present invention also proposes a kind of preparation method for preparing above-mentioned stainless steel wire rope.The ocean anticorrosion stress-resistant dual phase steel stainless steel wire rope of the present invention, raw material uses nitrogen microalloying dual phase steel, obtained steel wire rope has excellent proof stress intensity and corrosion resistance, good processability, possess the processing performance of small size diameter, meet the lift work of ocean deepwater area high pressure and high salt concentration content.

Description

A kind of ocean engineering anticorrosion stress-resistant dual phase steel stainless steel wire rope and preparation method
Technical field
The present invention relates to technical field of new material preparation, more particularly to a kind of applicable Yu Haiyang dynamic stress circumstance, compared with Weight Cl ~-Media corrosive environment air and the ocean engineering anticorrosion stress-resistant dual phase steel stainless steel wire rope of liquid operation.
Background technology
With continuing to develop for modern industry, the application of stainless steel wire rope is shifted from land to ocean, such as deep-sea detecting With study intensively, the exploitation of deep-sea ore, the obstruction purse seine of rig floor etc..Marine environment has more stringent corrosive medium than land, makes On land, application material is not suitable for marine environment, the chloride ion content of high concentration and high pressure environment, it is necessary to which proof stress is rotten High strength wire rope is lost, this requires the steel wire rope for needing super duplex steel to prepare in such environment.Current 304,316, 316L stainless steel wire rope anticorrosion stress-resistant scarce capacities, anti-fatigue life is poor, and the super-duplex stainless steel 2507 applied at present The resistance to index of point (PREN=46.8) meet index 40 and require, 2507 dual phase steels are that ferrite and austenite respectively account for 50% ratio Structural state, with hot and cold processability, it is easy to Product processing and saving noble metal nickel element, is applicable general ocean production bar Part；However, high intensity, wear-resistant and high fatigue property, and small size diameter must also be met for marine steel cord Processing performance.
The content of the invention
The purpose of the present invention is, for application of the present marine environment with anticorrosion stress-resistant two phase stainless steel cord product Demand, proposes a kind of ocean engineering anticorrosion stress-resistant dual phase steel stainless steel wire rope and preparation method thereof, described steel wire rope sling There is excellent proof stress intensity and corrosion resistance, meet the lift work of ocean deepwater area high pressure and high salt concentration content.
To achieve the object of the present invention, a kind of ocean engineering of the invention anticorrosion stress-resistant dual phase steel stainless steel wire rope, Its raw steel is by weight percentage by 25%-28% elemental chromium (Cr), 6%-9% elemental nickel (Ni), 3%-5% element Constituted based on molybdenum (Mo) and iron, carry out adding content in microalloy treatment, steel with nitrogen (N) element not less than 0.3% Any one of no more than 0.5% boron (B), titanium (Ti), aluminium (Al), vanadium (V), niobium (Nb) or several trace elements.
It is preferred that, the content of element phosphor (P) therein is not more than 0.02%；The content of sulphur (S) is not more than 0.01%.
The present invention also proposes a kind of preparation for preparing above-mentioned ocean engineering with anticorrosion stress-resistant dual phase steel stainless steel wire rope Method, it includes step：
(S1) electroslag remelting：Matched somebody with somebody with three slag systems (50%-70%) CaF+ (20%-40%) Al2O3+ (5%-10%) CaO Standby slag charge, carries out electroslag remelting and obtains fine grain and pure tissue；
(S2) it is more than 4 using ratio of forging reduction and carries out cogging；
(S3) hot rolling disk member, disk member carries out higher temperature solid solution, and heating-up temperature is 1180 DEG C -1250 DEG C；Insulation 2 hours, Handled by liquid nitrogen deep；
(S4) steel wire drawing, the steel wire after drawing is prepared into wiring, 3% predeformation is reserved, with high-frequency heating 400 DEG C -500 DEG C interval to carry out stabilization processes.
(S5) restrict stress, the overall poker of Winding rope are gone by process annealing (450 DEG C -520 DEG C) after rope shaping.
It is preferred that, in step sl, in addition to no more than 0.01% rare earth is added for end-deoxidizer.
A kind of ocean engineering anticorrosion stress-resistant dual phase steel stainless steel wire rope of the present invention, raw material is double using nitrogen microalloying Xiang Gang, obtained steel wire rope has excellent proof stress intensity and corrosion resistance, good processability, possesses small size diameter Processing performance, meets the lift work of ocean deepwater area high pressure and high salt concentration content.
Brief description of the drawings
Nothing.
Embodiment
Steel wire rope belongs to high fatigue and wear resistance pliability product, and matrix is in fiber condition, reciprocal stress and with cunning During wheel contact application Yu Haiyang high chloride ion corrosive environment, it is necessary to higher endurance life-span and wear resistance, so Thinner grain size and pure tissue are necessary conditions, though super duplex steel 2507 has spot corrosion index more than 40, and it is substantially full Application of the foot under the conditions of the varying environment of ocean, however, high intensity, wear-resistant and height must also be met for marine steel cord Fatigue behaviour, and small size diameter processing performance.Then, since the design of the raw material of material, high intensity and high tenacity (and So-called double high characteristic) must be first it is considered that super duplex steel, which increases nitrogen generally by reduction carbon, obtains high anti-corrosion Property, can nitrogen-atoms and carbon atom there is identical characteristic, belong to interstitial element, be present in crystal grain and play invigoration effect, make to integrate tough Property decline, therefore, the microalloy treatment of nitrogen just seems important；In addition, the scheme to obtain fine grain and pure organization design, Harmful element must be controlled, with reference to the fibr tissue deep processing of vast scale, the technology such as multistage heat treatment, so as to provide most Good design.
According to above-mentioned inventive principle, a kind of ocean engineering anticorrosion stress-resistant dual phase steel stainless steel wire rope of the invention, Its raw steel is by weight percentage by 25%-28% elemental chromium (Cr), 6%-9% elemental nickel (Ni)；3%-5% element Constituted based on molybdenum (Mo) and iron, carry out adding content in microalloy treatment, steel with nitrogen (N) element not less than 0.3% Any one of no more than 0.5% boron (B), titanium (Ti), aluminium (Al), vanadium (V), niobium (Nb) or several trace elements；In addition, In a preferred embodiment, the content of element phosphor (P) is not more than 0.02% in steel；The content of sulphur (S) is not more than 0.01%.
The present invention to prepare above-mentioned ocean engineering specific with the preparation method of anticorrosion stress-resistant dual phase steel stainless steel wire rope For：
(S1) electroslag remelting：Matched somebody with somebody with three slag systems (50%-70%) CaF+ (20%-40%) Al2O3+ (5%-10%) CaO Standby slag charge, carries out electroslag remelting and obtains fine grain and pure tissue；
(S2) it is more than 4 using ratio of forging reduction and carries out cogging, obtains high plasticity and toughness energy；
(S3) hot rolling disk member, in Production for Steel Wire, disk member must carry out high temperature solid solution (1180 DEG C -1250 DEG C of heating-up temperature) place Reason, is incubated 2 hours, is handled by liquid nitrogen deep；
(S4) steel wire drawing, the steel wire after drawing is prepared into wiring, 3% predeformation is reserved, with high-frequency heating 400 DEG C -500 DEG C interval to carry out stabilization processes.
(S5) restrict stress, the overall poker of Winding rope are gone by process annealing (450 DEG C -520 DEG C) after rope shaping.
It is preferred that, in step sl, in addition to no more than 0.01% rare earth is added for end-deoxidizer.
Specific embodiment：
Embodiment one：
Alloy is subjected to microalloying with nitrogen, boron is added, copper carries out the member in electroslag remelting, steel according to above-mentioned step Element design content and actual measurement content see the table below 1：
Table 1：The chemical composition of steel
Obtained disk member is drawn into 0.25mm steel wire, structure is made for 1 × 3 steel wire rope, stress corrosion (cracking) test is carried out, Testing result such as table 2 below (being compared with 316L)：
Table 2
Embodiment two：
Alloy is subjected to microalloying with nitrogen, boron is added, copper, vanadium is carried out in electroslag remelting, steel according to above-mentioned step Element designs content and actual measurement content see the table below 3：
The chemical composition of the steel of table 3
Obtained disk member is drawn into 0.25mm steel wire, structure is made for 1 × 7 steel wire rope, stress corrosion (cracking) test is carried out, Testing result such as table 4 below (being compared with 316L)：
Table 4
Embodiment three：
Alloy is subjected to microalloying with nitrogen, boron is added, copper, aluminium is carried out in electroslag remelting, steel according to above-mentioned step Element designs content and actual measurement content see the table below 5：
The chemical composition of the steel of table 5
Obtained disk member is drawn into 0.25mm steel wire, structure is made for 3 × 7 steel wire ropes, stress corrosion (cracking) test is carried out, Testing result such as table 6 below (being compared with 316L)：
Table 6
Exemplified by a kind of ocean engineering anticorrosion stress-resistant dual phase steel stainless steel wire rope of the present invention, the new steel grade of table 7 below, It is as follows to its corrosion resistance, the mechanical performance of steel wire rope (being shown in Table 8), fatigue performance (being shown in Table 9) detection contrast：
The Design of Chemical Composition of the steel of table 7
Steel grade C Si Mn P S Cr Ni Mo N Cu B Ce
2507 0.03 0.4 1.5 0.04 0.03 25 6 3 0.2
New steel 0.01 0.08 0.5 0.02 0.01 25 6.5 4 0.3 0.5 0.003 0.010
Actual measurement 0.007 0.04 0.41 0.0098 0.005 25.3 6.78 4.2 0.32 0.48 0.0018 0.01
2507 spot corrosion indices P REN=46.8, and improve new steel grade spot corrosion indices P REN=46.8
Table 8：Steel wire rope mechanical performance
Steel grade Structure Specification Minimum breaking force/KN
316L 6×7+1WS 2.4mm 4.25
2507 6×7+1WS 2.4mm 6.85
New steel 6×7+1WS 2.4mm 6.65
As shown in upper table 8, the pull-off force of new steel grade and super duplex steel steel wire rope is more or less the same, with high intensity Energy.
Table 9：Fatigue performance
Steel grade Steel cord structure Nominal diameter Apply tension force Times of fatigue Rupture pull force after examination
316L 6×7+1WS 2.4 40N 70000 ≥2.45kN
2507 6×7+1WS 2.4 40N 70000 Fracture of wire
New steel 6×7+1WS 2.4 40N 70000 ≥5.25kN
As shown in upper table 9, nitrogen microalloying dual phase steel stainless steel wire rope of the invention has high intensity and high fatigue durability.
A kind of ocean engineering anticorrosion stress-resistant dual phase steel stainless steel wire rope of the present invention, raw material is double using nitrogen microalloying Xiang Gang, obtained steel wire rope has excellent proof stress intensity and corrosion resistance, good processability, possesses small size diameter Processing performance, meets the lift work of ocean deepwater area high pressure and high salt concentration content.
The invention is not limited in described embodiment, those skilled in the art is not departing from the spirit i.e. public affairs of the present invention In the range of opening, can still make some amendments or change, thus the scope that is limited using claims of the scope of the present invention as It is accurate.

Claims (4)

1. a kind of ocean engineering anticorrosion stress-resistant dual phase steel stainless steel wire rope, it is characterised in that its raw steel percentage by weight Than the elemental chromium (Cr) by 25%-28%, 6%-9% elemental nickel (Ni), based on 3%-5% molybdenum (Mo) and iron Composition, microalloy treatment is carried out with nitrogen (N) element not less than 0.3%, add in steel content be not more than 0.5% boron (B), Any one of titanium (Ti), aluminium (Al), vanadium (V), niobium (Nb) or several trace elements.
2. a kind of ocean engineering anticorrosion stress-resistant dual phase steel stainless steel wire rope as claimed in claim 1, it is characterised in that its The content of middle element phosphor (P) is not more than 0.02%；The content of sulphur (S) is not more than 0.01%.
3. a kind of prepare a kind of as claimed in claim 1 or 2 ocean engineering anticorrosion stress-resistant dual phase steel stainless steel wire rope Preparation method, it includes step：
(S1) electroslag remelting：It is equipped with three slag systems (50%-70%) CaF+ (20%-40%) Al2O3+ (5%-10%) CaO Slag charge, carries out electroslag remelting and obtains fine grain and pure tissue；
(S2) it is more than 4 using ratio of forging reduction and carries out cogging；
(S3) hot rolling disk member, disk member carries out higher temperature solid solution, and heating-up temperature is 1180 DEG C -1250 DEG C；Insulation 2 hours, passes through Liquid nitrogen deep processing；
(S4) steel wire drawing, the steel wire after drawing is prepared into wiring, 3% predeformation is reserved, with 400 DEG C -500 of high-frequency heating It is DEG C interval to carry out stabilization processes.
(S5) restrict stress, the overall poker of Winding rope are gone by process annealing (450 DEG C -520 DEG C) after rope shaping.
4. a kind of preparation method of ocean engineering anticorrosion stress-resistant dual phase steel stainless steel wire rope as claimed in claim 3, In step S1, in addition to no more than 0.01% rare earth is added for end-deoxidizer.
CN201710208670.6A 2017-03-31 2017-03-31 A kind of ocean engineering anticorrosion stress-resistant dual phase steel stainless steel wire rope and preparation method Pending CN106995903A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108465699A (en) * 2018-03-15 2018-08-31 东北大学 A kind of preparation method of 304 abrasion-proof stainless steel silk
CN109023022A (en) * 2018-08-09 2018-12-18 泰州华鑫不锈钢制品有限公司 A kind of corrosion-resistant rigging stainless steel material of proof stress
CN109183472A (en) * 2018-08-06 2019-01-11 江苏鸿泽不锈钢丝绳有限公司 Automobile clutch wirerope
CN109210146A (en) * 2018-08-09 2019-01-15 泰州华鑫不锈钢制品有限公司 A kind of high intensity turnbuckle component
CN113944058A (en) * 2021-09-26 2022-01-18 江苏亚盛金属制品有限公司 High-strength fatigue-resistant duplex stainless steel wire rope and research method thereof
CN113981724A (en) * 2021-09-26 2022-01-28 江苏亚盛金属制品有限公司 High-strength corrosion-resistant steel wire rope for mooring in ocean engineering and manufacturing method thereof
CN114045443A (en) * 2021-11-22 2022-02-15 连云港力升金属科技有限公司 Corrosion-resistant high-strength high-toughness high-heat-conductivity stainless steel wire and preparation method thereof

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Publication number Priority date Publication date Assignee Title
CN1117087A (en) * 1994-05-21 1996-02-21 朴庸秀 Duplex stainless steel with high corrosion resistance
CN1343798A (en) * 2000-09-16 2002-04-10 江苏江河集团电力工程公司 Centrifugal casting technology for manufacturing cold drawn seamless pipe of ultralow-carbon dual-phase stainless steel
CN103331046A (en) * 2013-07-19 2013-10-02 中冶南方工程技术有限公司 Novel efficient dewatering bin and dewatering method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1117087A (en) * 1994-05-21 1996-02-21 朴庸秀 Duplex stainless steel with high corrosion resistance
CN1343798A (en) * 2000-09-16 2002-04-10 江苏江河集团电力工程公司 Centrifugal casting technology for manufacturing cold drawn seamless pipe of ultralow-carbon dual-phase stainless steel
CN103331046A (en) * 2013-07-19 2013-10-02 中冶南方工程技术有限公司 Novel efficient dewatering bin and dewatering method

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108465699A (en) * 2018-03-15 2018-08-31 东北大学 A kind of preparation method of 304 abrasion-proof stainless steel silk
CN108465699B (en) * 2018-03-15 2019-08-20 东北大学 A kind of preparation method of 304 abrasion-proof stainless steel silk
CN109183472A (en) * 2018-08-06 2019-01-11 江苏鸿泽不锈钢丝绳有限公司 Automobile clutch wirerope
CN109023022A (en) * 2018-08-09 2018-12-18 泰州华鑫不锈钢制品有限公司 A kind of corrosion-resistant rigging stainless steel material of proof stress
CN109210146A (en) * 2018-08-09 2019-01-15 泰州华鑫不锈钢制品有限公司 A kind of high intensity turnbuckle component
CN113944058A (en) * 2021-09-26 2022-01-18 江苏亚盛金属制品有限公司 High-strength fatigue-resistant duplex stainless steel wire rope and research method thereof
CN113981724A (en) * 2021-09-26 2022-01-28 江苏亚盛金属制品有限公司 High-strength corrosion-resistant steel wire rope for mooring in ocean engineering and manufacturing method thereof
CN113944058B (en) * 2021-09-26 2023-06-16 江苏亚盛金属制品有限公司 Research method based on high-strength fatigue-resistant duplex stainless steel wire rope and steel wire rope
CN114045443A (en) * 2021-11-22 2022-02-15 连云港力升金属科技有限公司 Corrosion-resistant high-strength high-toughness high-heat-conductivity stainless steel wire and preparation method thereof

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Application publication date: 20170801