WO2008061452A1 - Rouleau permettant de souder des tubes au laminoir - Google Patents

Rouleau permettant de souder des tubes au laminoir Download PDF

Info

Publication number
WO2008061452A1
WO2008061452A1 PCT/CN2007/003299 CN2007003299W WO2008061452A1 WO 2008061452 A1 WO2008061452 A1 WO 2008061452A1 CN 2007003299 W CN2007003299 W CN 2007003299W WO 2008061452 A1 WO2008061452 A1 WO 2008061452A1
Authority
WO
WIPO (PCT)
Prior art keywords
roll
rolls
steel
high chromium
rolling mill
Prior art date
Application number
PCT/CN2007/003299
Other languages
English (en)
Chinese (zh)
Inventor
Houzhi Yuan
Ning Zhang
Xingyi Liu
Ping Wang
Original Assignee
Houzhi Yuan
Ning Zhang
Xingyi Liu
Ping Wang
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Houzhi Yuan, Ning Zhang, Xingyi Liu, Ping Wang filed Critical Houzhi Yuan
Publication of WO2008061452A1 publication Critical patent/WO2008061452A1/fr

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
    • C22C38/56—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.7% by weight of carbon
    • 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
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • 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

Definitions

  • the present invention relates to a pipe ritual roll, and more particularly to a casting roll for rolling a spliced steel pipe, the material of which is cast high chrome iron or cast high chrome steel.
  • BACKGROUND OF THE INVENTION Rolls are the main components consumed in the production of flat steel tube rolling mills. The quality and life of the rolls directly affect the quality and production efficiency of the welded steel tubes. The rolls are in direct contact with the rolling stock and complete the rolling process. While subjecting to the action of large compressive stress, it is also subject to rolling and sliding friction, and some are also affected by the chilling heat, so the wear is severe and needs to be replaced frequently.
  • the object of the present invention is to apply a casting roll to a welded steel tube rolling mill to provide a casting High-chromium iron or cast high-chromium steel rolls, which can overcome the shortcomings of poor wear resistance, low service life and poor performance and poor performance of alloy tool steel forging rolls. It also solves the current use of welded steel tube rolling mills.
  • the forging rolls are difficult to forge, long in process flow, and low in material utilization.
  • the casting roll is used on the welded steel tube rolling mill, and the material of the roll is selected from high chromium iron or high chromium steel.
  • the composition of the cast high chromium iron roll is (% by weight): C: 1.8-2.8%, Si: ⁇ 1.0%, Mn: ⁇ 1.0%, P: ⁇ 0.05%, S: ⁇ 0.05%, Cr: 12-22% Ni: 0.5 ⁇ 3.0%, Mo: 0.8-3.0%, Ti: 0 - 0.3%, V: 0 ⁇ 1.0%, Cu: 0 ⁇ 1.0%, RE: 0.01 ⁇ 0.5%, and the rest is Fe.
  • the composition of the cast high chromium steel roll is (% by weight): C: 0.7-1.2%, Si: 1.0%, Mn: ⁇ 1.0%, P: ⁇ 0.05%, S: 0.05%, Cr: 8-12%, Ni: 0.5 - 2.0%, Mo: 0.8 to 3.0%, Ti: 0-0.3%, V: 0 to 1.0%, W: 0 to 0.8%, RE: 0.01 to 0.5%, and the balance being Fe.
  • the invention has the following advantages: 1.
  • the invention adopts cast high chromium iron or cast high chromium steel roll on the welded steel tube rolling mill, especially the large diameter casting roll, and the metallographic structure is better than the forged alloy tool steel roll.
  • the casting molding process has a shorter process than the forging process, simple process and low cost. 3 The casting molding process is closer to the finished roll size than the forging forming process, which can greatly reduce the processing amount and improve the material utilization rate.
  • the cast high-chromium or high-chromium steel roll provided by the invention is made by casting, high-chromium or high-chromium steel by conventional smelting, casting, roughing, heat treatment and finishing, and is made into a cast high-chromium or high-chromium steel roll.
  • FIG. 1 is a side extrusion roll for welding a straight seam steel pipe.
  • FIG. 2 is a lower roll for welding a rectangular steel pipe.
  • 3 is an embodiment of an upper extrusion roll for welding a straight seam steel pipe.
  • the roll can be used on a straight seam welded steel pipe mill of various shapes such as a circular welded steel pipe rolling mill, a spiral welded steel pipe rolling mill, and a rectangular welded steel pipe rolling mill.
  • the cast high chromium iron roll of the present invention has the following composition (% by weight): C: 1.8-2.8%, Si: ⁇ 1.0%, Mn: ⁇ 1.0%, P: ⁇ 0.05%, S: ⁇ 0.05%, Cr: 12 — 22%, Ni: 0.5 - 3.0%, Mo: 0.8 - 3.0%, Ti: 0 - 0.3%, V: 0 - 1.0%, Cu: 0 ⁇ 1.0%, RE: 0.01-0.5%, and the balance being Fe.
  • the preferred composition of the cast high chromium iron roll is (% by weight): C: 1.8-2.1%, Si: ⁇ 0.8%, Mn: ⁇ 0.8%, P: 0.04%, S: 0.04%, Cr: 17 - 20%, Ni: 0.8 to 1.8%, Mo: 1.4 to 2.5%, Ti: 0 to 0.3%, V: 0 to 0.5%, Cu: 0 to 0.5%, RE: 0.01 to 0.2%, and the balance being Fe.
  • the composition of the cast high chromium steel roll of the present invention is as follows (% by weight): C: 0.7-1.2%,
  • Si ⁇ 1.0%, Mn: ⁇ 1.0%, P: ⁇ 0.05%, S: ⁇ 0.05%, Cr: 8-12%, Ni: 0.5-2.0%, Mo: 0.8-3.0%, Ti: 0 ⁇ 0.3 %, V: 0 ⁇ .1.0%, W: 0 ⁇ 0.8%, RE: 0.01-0.5%, and the rest are Fe.
  • composition is (% by weight): C: 0.9-1.1%, Si: 0.4 - 0.8%, Mn: 0.5-0.9%, P: ⁇ 0.04%, S: ⁇ 0.04%, Cr: 9-11%, Ni : 0.8 ⁇ 1.6%, Mo: 1.0 ⁇ 2.5%, Ti: 0 ⁇ 0.3%, V: 0 ⁇ 0.6%, W: 0 ⁇ 0.5%, RE: 0.01 ⁇ 0.2%, the rest is Fe.
  • the present invention incorporates a rare earth alloying element RE in a cast high chromium iron or cast high chromium steel roll.
  • the rare earth alloy elements can form sulfides, oxides and other inclusion compounds in the molten steel, and the melting point is higher than the solidification temperature of the molten steel.
  • the rare earth compound particles act as nucleation during the casting solidification process, thereby effectively refining the casting rolls.
  • the crystal structure reduces the degree of dendrite, especially for high chromium cast iron or cast steel rolls. Due to the addition of rare earth elements, the grains of high chromium cast iron or high chromium cast steel rolls are refined, and the plasticity and impact toughness of high chromium cast iron or cast steel rolls are improved; the surface quality of the castings is improved, and the yield is improved. The hot cracking tendency of the rolls is reduced.
  • correction page (Article 91)
  • the invention uses the corresponding ferroalloy, scrap steel and other raw materials for conventional smelting to obtain the required molten iron or molten steel, adopts conventional casting to obtain the required blank, and then performs conventional heat treatment and car, grinding and the like to produce a welded steel pipe rolling mill for casting.
  • High chrome iron or cast high chrome steel rolls ( Embodiment 1 Referring to FIG. 1, according to the present invention, a casting high-chromium iron roll is applied to a rolling-welded steel pipe rolling mill. In this embodiment, a set of 2 pieces of ⁇ 530.0 welded steel pipe is manufactured by a casting production process.
  • the side extrusion rolls for rolling mills are made of the following high chromium iron components (% by weight): C: 1.8%, Si: 0.8%, Mn: 0.8%, P: 0.038%, S: 0.034%, Cr: 13%, Ni: 1.0%, Mo: 1.4%, Ti: 0.2%, V: 0.2%, Cu: 0.5%, RE: 0.05%, and the balance being Fe.
  • the raw material ratio is selected, and the raw material is smelted and cast in a medium frequency induction electric furnace to obtain a desired blank, and then subjected to heat treatment, car, grinding, etc., to produce a side extrusion roll for a welded steel pipe rolling mill.
  • the side extrusion roll for the welded steel tube rolling mill of the first embodiment has a weight of 1657 kg/piece, a finished product weight of 1292.5 kg/piece, and a material utilization rate of 78%. Since the hole type of the embodiment is deep, that is, the outer diameter of the outer diameter is large, the maximum diameter of the two ends is ⁇ 856 mm, the minimum diameter of the intermediate hole type concave is ⁇ 589.63 mm, the height is 575 mm, and the inner hole is ⁇ 330 mm, if The free forging method obtains the blank, and the material utilization rate can only reach about 50%.
  • the finished product of the side extrusion roll of this embodiment has a hardness of HRC 59.5 ⁇ 62.
  • Example 2 The shape of Example 2 is shown in Fig. 2. The following high chromium iron components (% by weight) were selected: C: 2.8%, Si: 0.6%, Mn: 1.0%, P: 0.031%, S: 0.035%, Cr: 22%, Ni: 2.5%, Mo: 2.0% , Ti: 0.1%, V: 0.3%, Cu: 0.5%, RE: 0.1%, and the rest is Fe.
  • a set of two 500 x 500mm welded rectangular steel tube mills are used for casting. According to the above composition requirements, the ratio of raw materials is selected, and smelting and casting are carried out in a medium frequency induction furnace. The desired blank is then subjected to heat treatment, car, grinding, etc. to produce a lower roll for a welded rectangular steel tube mill.
  • Example 2 is a lower roll for a 500 X 500 mm welded rectangular steel tube rolling mill.
  • the weight of the blank is 3513 kg/piece, the weight of the finished product is 2780 kg/piece, and the material utilization rate is 79.1%.
  • the maximum outer diameter (M350mm, minimum outer diameter cj) of the roll is 660mm, the height is 530mm, and the inner hole is 4350mm.
  • the material utilization rate can only reach about 55%.
  • the hardness of the finished product of this embodiment is HRC55 ⁇ 58, the experiment on the largest welded square steel tube rolling mill in China, the service life of the finished steel is more than 3 times that of the domestic forged alloy tool steel roll, and the service life after each repair can exceed More than three times that of domestic forged alloy tool steel rolls, it also exceeds the life of imported forged alloy tool steel welded steel pipe rolls.
  • Example 3 In Example 3, a lower roll for a ⁇ 219 welded steel tube rolling mill was produced by a casting production process, and the composition thereof was selected from the following high chromium iron components (% by weight): C: 1.75%, Si: 0.5%, Mn: 0.7% , P: 0.037%, S: 0.035%, Cr: 17.5%, Ni: 0.8%, Mo: 0.8%, Ti: 0.2%, V: 0.4%, Cu: 0.8%, RE: 0.02%, and the balance being Fe. According to the selected ingredients, the raw material ratio is selected, and smelting and casting are performed in an intermediate frequency induction furnace to obtain a desired blank, and then heat treatment, car, grinding, etc. are performed to manufacture a lower roll for a welded steel pipe mill.
  • the composition thereof was selected from the following high chromium iron components (% by weight): C: 1.75%, Si: 0.5%, Mn: 0.7% , P: 0.037%, S: 0.035%, Cr: 17.5%, Ni: 0.8%, Mo:
  • the lower roll of Example 3 had a weight of 122 kg/piece, a finished product weight of 91.5 kg/piece, and a material utilization rate of 75%. Due to the complicated shape of the embodiment, the maximum diameter of the central convex portion is ⁇ 401.52 ⁇ , and the thickness is 106 mm, the diameter of the convex portions on both sides is ⁇ 250 mm, the thickness of one side is 47 mm, and the inner hole is ⁇ 160 ⁇ . If the blank is obtained by free forging The material utilization rate can only reach about 49%. The hardness of the finished product of this embodiment is HRC 58.8 ⁇ 61. The test on the ⁇ 250 welded steel tube rolling mill introduced in China has reached the service life of the imported forged alloy tool steel welded steel pipe.
  • Example 4 a lower roll for a ⁇ 168 welded steel tube rolling mill was produced by a casting production process, and the composition thereof was selected from the following high chromium iron components (% by weight): C: 2.1%, Si: 0.8%, Mn: 0.6% , P: 0.033%, S: 0.030%, Cr: 21%, Ni: 1.8%, Mo: 2.2%, Ti: 0.3%,
  • the raw material ratio is selected, and smelting and casting are performed in a medium frequency induction electric furnace to obtain a desired blank, and then heat treatment, car grinding, and the like are performed to produce a lower roll for a welded steel pipe rolling mill.
  • the lower roll of Example 4 had a weight of 92 kg/piece, a finished product weight of 68 kg/piece, and a material utilization rate of 74%.
  • the maximum diameter of the central protruding portion is ⁇ 380 mm and the thickness is 86 mm, the diameter of the convex portions on both sides is ⁇ 200 mm, the thickness of one side is 38 mm, and the inner hole is ⁇ 160 mm. If the blank is obtained by free forging, The material utilization rate can only reach about 50%.
  • the hardness of the finished product of this embodiment is HRC59 ⁇ 61.
  • the test on the ⁇ 168 welded steel tube rolling mill introduced in China has reached the service life of the imported forged alloy tool steel welded steel pipe. Its performance is superior to that of forged rolls and its life is higher than that of forged rolls.
  • Example 5 In Example 5, two extrusion rolls for a ⁇ 168 welded steel tube rolling mill were produced by a casting production process, and the composition thereof was selected from the following high chromium iron components (% by weight): C: 2.0%, Si: 0.4%, Mn: 0.5 %, P: 0.039%, S: 0.035%, Cr: 20%, Ni: 1.5%, Mo: 2.5%, Ti: 0.3%, V: 0.3%, Cu: 0.4%, RE: 0.15%, and the balance is Fe .
  • high chromium iron components % by weight
  • the raw material ratio is selected, and smelting and casting are performed in an intermediate frequency induction furnace to obtain a desired blank, and then heat treatment, car, grinding, and the like are performed to produce a squeeze roll for a welded steel pipe rolling mill.
  • the extrusion roll of Example 5 had a weight of 103 kg/piece, a finished product weight of 74 kg/piece, and a material utilization rate of 72%.
  • the maximum diameter of the roll is ⁇ 408 ⁇
  • the thickness is 105 mm
  • the inner hole is ⁇ 155 mm. If the blank is obtained by free forging, the material utilization rate can only reach about 50%.
  • the hardness of the finished product of this embodiment is HRC 58.8 ⁇ 61.
  • Example 6 The test life of the ⁇ 168 welded steel tube rolling mill introduced in China has reached the service level of the imported forged alloy tool steel welded steel pipe. Its performance is superior to that of forged rolls and its life is higher than that of forged rolls.
  • Example 6 The shape of Example 6 is shown in Fig. 3.
  • the upper extrusion rolls are made of the following high chromium steel components (% by weight): C: 0.9%, Si: 0.8%, Mn: 0.8%, P: 0.029%, S: 0.031%, Cr: 10%, Ni: 0.8%, Mo: 0.8%, Ti: 0.3%, V: 0.5%, W: 0.3%, RE : 0.015%, the rest is Fe.
  • the raw material ratio is selected, and the raw material is smelted and cast in a medium frequency induction electric furnace to obtain a desired blank, and then heat treatment, car, grinding, and the like are performed to produce an upper extrusion roll for a welded steel pipe.
  • the weight of the blank of Example 6 was 91.6 kg/piece, the weight of the finished product was 65.5 kg/piece, and the material utilization rate was 71.5%. In this embodiment, if the blank is obtained by free forging, the material utilization rate can only reach about 55%.
  • the hardness of the finished product of this embodiment is HRC 55.5 ⁇ 57.
  • the experiment was carried out on the domestically introduced ⁇ 325 welded steel tube rolling mill, and its service life reached and exceeded the level of imported forged alloy tool steel rolls. After 4 times of turning repair, the amount of turning is about 2mm, and the hardness is kept at HRC55 ⁇ 57 after the outer diameter is reduced by 16mm.
  • Example 7 is a set of 2 ⁇ 610 welded steel tube rolling mill upper extrusion rolls, the composition of which is selected from the following high chromium steel composition (% by weight): C: 1.2%, Si: 0.6%, Mn: 0.7% , P: 0.033%, S: 0.029%, Cr: 8%, Ni: 2.0%, Mo: 1.8%, Ti: 0.1%, V: 0.2%, W: 0.5%, RE: 0.1%, The rest is Fe. According to the above composition requirements, the raw material ratio is selected, and the raw material is smelted and cast in a medium frequency induction electric furnace to obtain a desired blank, and then heat treatment, car, grinding, and the like are performed to produce an upper extrusion roll for a welded steel pipe.
  • the blank weight of Example 7 was 268 kg/piece, the finished product weight was 193 kg/piece, and the material utilization rate was 72%. In this embodiment, if the blank is obtained by free forging, the material utilization rate can only reach about 55%.
  • the hardness of the finished product of this embodiment is HRC 55.5 ⁇ 57. Experiments were carried out on the domestically introduced ⁇ 610 welded steel tube rolling mill, and its service life reached and exceeded the level of imported forged alloy tool steel rolls. After 5 times of turning repair, the amount of turning is about 2mm, and the hardness is kept at HRC55 ⁇ 57 after the outer diameter is reduced by 20mm.
  • Example 8 is a set of two side squeezing rolls for a ⁇ 610 welded steel tube rolling mill whose composition is selected from the following high chromium steel components (% by weight): C: 0.7%, Si: 0.5%, Mn: 1.0 %, P: 0.041%, S: 0.038%, Cr: 9%, Ni: 0.5%, Mo: 2.5%, Ti: 0.2%, V: 0.8%, W: 0.8%, RE: 0.08%, the rest For Fe. According to the above ingredients: C: 0.7%, Si: 0.5%, Mn: 1.0 %, P: 0.041%, S: 0.038%, Cr: 9%, Ni: 0.5%, Mo: 2.5%, Ti: 0.2%, V: 0.8%, W: 0.8%, RE: 0.08%, the rest For Fe. According to the above ingredients
  • the weight of the blank of 8 is 5032kg/piece, the weight of the finished product is 3975kg/piece, and the material utilization rate is 79%. Since the hole type of the embodiment is 4 ⁇ deep, that is, the outer diameter difference is large, the maximum diameter of both ends is ⁇ 952.6 mm, the minimum diameter of the intermediate hole type recess is ⁇ 600.5 mm, the height is 690 mm, and the inner hole is ⁇ 325 ⁇ , If the blank is obtained by free forging, the material utilization rate can only reach about 50%.
  • the hardness of the finished product of this embodiment is HRC 58 ⁇ 61. The actual inspection was carried out on the domestically introduced ⁇ 610 welded steel tube rolling mill, and its service life reached and exceeded the level of imported imported forged alloy tool steel rolls.
  • Example 9 is a set of rolls for a 500 X 500 splicing rectangular steel tube mill, the composition of which is selected from the following high chromium steel components (% by weight): C: 0.8%, Si: 1.0%, Mn: 0.5% , P: 0.037%, S: 0.034%, Cr: 11%, Ni: 1.0%, Mo: 1.0%, Ti: 0.3%, V: 1.0%, W: 0.1%, RE: 0.15%, The rest is Fe. According to the above composition requirements, the ratio of raw materials is selected, and the raw material is smelted and cast in a medium frequency induction furnace to obtain a desired blank, and then heat treatment, car, grinding, etc. are performed to produce a side extrusion roll for welded steel pipe.
  • Example 9 is a set of rolls for a 500 X 500 splicing rectangular steel tube mill, the composition of which is selected from the following high chromium steel components (% by weight): C: 0.8%, Si: 1.0%, Mn: 0.5% , P: 0.037%
  • the weight of the blank of 9 is 104kg/piece, the weight of the finished product is 73.5kg/piece, and the material utilization rate is 76%. In this embodiment, if the blank is obtained by free forging, the material utilization rate can only reach about 50%.
  • the hardness of the finished product of this embodiment is HRC 58 ⁇ 61. The experiment was carried out on a 500 x 500 welded steel tube rolling mill imported from China, and its service life reached and exceeded the level of imported forged alloy tool steel rolls.
  • Embodiment 10 is a set of two rolls of 500 X 500 welded rectangular steel tube rolling mill, the composition of which is selected from the following high chromium steel components (% by weight): C: 1.1%, Si: 0.4%, Mn: 0.9%, P: 0.038%, S: 0.036%, Cr: 12%, Ni: 1.6%, Mo: 2.0%, Ti: 0.2%, V: 0.6%, W: 0.1%, RE: 0.01%, the rest For Fe.
  • the raw material ratio is selected, and smelting and casting are performed in an intermediate frequency induction electric furnace to obtain a desired blank, and then heat treatment, car, grinding, and the like are performed to produce a side extrusion roll for a welded steel pipe.
  • Example 10 The blank weight of Example 10 was 107 kg/piece, the finished product weight was 79 kg/piece, and the material utilization rate was 74%. In this embodiment, if the blank is obtained by free forging, the material utilization rate can only reach about 55%, and the outer diameter is cj 450mm and the thickness is only 75mm, and the forging is difficult.
  • the hardness of the finished product of this embodiment is HRC 58 ⁇ 61.
  • the experiment was carried out on a 500 x 500 welded steel tube rolling mill imported from China, and its service life reached and exceeded the level of imported forged alloy tool steel rolls. After many experiments, the present invention selects high chromium iron or high chromium steel as the material for the roll of the welded steel tube rolling mill.
  • the invention overcomes the shortcomings of the foregoing alloy tool steel forging rolls because the thickness of the hardened layer is limited, the surface and the inner structure are uneven, and the hardness gradient is formed, which is difficult to meet the practical use requirements.
  • the production process is simple, the production cycle is short, and the production cost is also low.
  • the invention is used on a welded steel tube rolling mill. Because of its material structure, the wear resistance and toughness are greatly improved, the strength reaches 6 b > 500 MPa, the hardness reaches HRC 55 ⁇ 65, and the service life is doubled.
  • the disposable service life of the invention can reach 2 ⁇ 3 times of the domestic forged alloy tool steel welded steel pipe roll, and the service life after each repair can reach 2 ⁇ 3 times of the domestic forged alloy tool steel roll, and can reach More than Germany, Italy, Japan and other international advanced level forged alloy tool steel spliced steel pipe roll life, after grinding many times lower production costs.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)

Abstract

La présente invention se rapporte à un rouleau lamineur en fer ou en acier à haute teneur en Cr qui peut être appliqué à un laminoir pour rouler un tuyau soudé. La composition du rouleau lamineur en fer à haute teneur en Cr contient (en % en poids) : de 1,8 à 2,8 % de C, 1,0 % ou moins de Si, 1,0 % ou moins de Mn, 0.05 % ou moins de P, 0.05 % ou moins de S, de 12 à 22 % de Cr, de 0,5 à 3,0 % de Ni, de 0,8 à 3,0 % de Mo, de 0 à 0,3 % de Ti, de 0 à 1,0 % de Cu, de 0,01 à 0,5 % de RE, le reste étant constitué de Fe. La composition du rouleau lamineur en fer à haute teneur en Cr contient (en % en poids) : de 0,7 à 1,2 % de C, 1,0 % ou moins de Si, 1,0 % ou moins de Mn, 0.05 % ou moins de P, 0.05 % ou moins de S, de 8 à 12 % de Cr, de 0,5 à 2,0 % de Ni, de 0,8 à 3,0 % de Mo, de 0 à 0,3 % de Ti, de 0 à 1,0 % de V, de 0 à 0,8 % de W, de 0,01 à 0,5 % de RE, le reste étant constitué de Fe. Avec le rouleau permettant de souder des tubes au laminoir, comme ceux produits par coulage, l'organisation des matériaux du rouleau est constante sur tout le rouleau et la dureté et la résistance à l'usure sont très élevées, ce qui permet d'avoir une durée de service de 2 à 5 fois supérieure à celle d'un rouleau forgé.
PCT/CN2007/003299 2006-11-22 2007-11-21 Rouleau permettant de souder des tubes au laminoir WO2008061452A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200610104942.X 2006-11-22
CNB200610104942XA CN100423858C (zh) 2006-11-22 2006-11-22 焊接钢管用铸造高铬铁或铸造高铬钢轧辊

Publications (1)

Publication Number Publication Date
WO2008061452A1 true WO2008061452A1 (fr) 2008-05-29

Family

ID=38725151

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2007/003299 WO2008061452A1 (fr) 2006-11-22 2007-11-21 Rouleau permettant de souder des tubes au laminoir

Country Status (2)

Country Link
CN (1) CN100423858C (fr)
WO (1) WO2008061452A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101555570B (zh) * 2009-05-11 2012-02-29 顾开明 高铬镍五合金铸件及其生产工艺
CN101555569B (zh) * 2009-05-11 2012-02-29 顾开明 高合金铸件及其生产工艺
DE102014000165A1 (de) * 2014-01-07 2015-07-09 Horst Diesing Legierung und Verfahren für matrixinhärent unter tribomechanischer Belastung erzeugte Manganoxidschichten für erhöhte Gebrauchszeiten von warmarbeitenden Werkzeugen aus S(HSS)-Eisenbasislegierungen
CN115161537A (zh) * 2022-06-30 2022-10-11 中钢集团邢台机械轧辊有限公司 一种高耐磨铸铁轧辊及其制造方法

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101805869B (zh) * 2010-04-16 2011-12-28 北京工业大学 含硼高铬高速钢轧辊材料及其热处理方法
CN101818311B (zh) * 2010-05-13 2013-06-19 石家庄工业泵厂有限公司 一种高韧性抗磨损金属材料的制备工艺
CN102443745A (zh) * 2010-10-09 2012-05-09 王振民 高铬合金钢耐磨衬板
CN102555351A (zh) * 2010-12-20 2012-07-11 顾伟 高抗磨双金属复合材料
CN102251185B (zh) * 2011-06-22 2012-09-05 山东省四方技术开发有限公司 钢管减径机或定径机用高铬轧辊制备方法及其高铬轧辊
CN102296240B (zh) * 2011-08-12 2013-02-20 山东省四方技术开发有限公司 一种钢管及冷弯型钢高铬轧辊的制备方法
CN102330016B (zh) * 2011-09-16 2013-07-03 昆明市宜良化工设备铸造厂 一种亚共晶高铬白口铸铁的制备方法
CN103320710B (zh) * 2013-06-17 2015-03-18 唐山亿联盛轧辊有限公司 一种高韧性高速钢复合轧辊
CN103993220B (zh) * 2014-05-14 2016-03-09 邢台正锟机械轧辊有限公司 一种亚共晶高铬白口铸铁轧辊及制备方法
CN104087865B (zh) * 2014-06-26 2016-08-17 宁国市正兴耐磨材料有限公司 一种使用寿命长的高铬合金耐磨球及其制备方法
CN105033228A (zh) * 2015-08-10 2015-11-11 宁波通达精密铸造有限公司 用于保护挖斗的耐磨块及其制备方法
CN105951004B (zh) * 2016-05-09 2017-12-19 吴军旺 耐磨耐腐蚀复合合金轧辊辊筒生产工艺
CN105821296B (zh) * 2016-05-26 2017-11-21 湖北金标通用轧辊有限公司 一种高铬合金铸铁轧辊及其制备方法
CN105821297B (zh) * 2016-05-26 2017-10-13 湖北金标通用轧辊有限公司 一种高铬钒钛合金铸铁轧辊及其制备方法
CN106609334B (zh) * 2017-03-16 2018-05-08 石家庄铁道大学 一种超高铬铸铁及其制备方法
CN107877543A (zh) * 2017-10-13 2018-04-06 江苏捷帝机器人股份有限公司 一种耐磨高强度长寿命机器人机械小臂铸件
CN108456820A (zh) * 2018-01-19 2018-08-28 江苏双星特钢有限公司 一种双合金复合锤头及其制造方法
CN108453154A (zh) * 2018-02-06 2018-08-28 南通东海机床制造集团有限公司 一种卷板机
CN108723091B (zh) * 2018-06-25 2020-01-14 湖北金标通用轧辊有限公司 一种化工用高铬铸铁轧辊及其制备方法
CN108796350A (zh) * 2018-06-25 2018-11-13 湖北金标通用轧辊有限公司 一种化工用高铬铸铁轧辊及其制备方法
CN108796353A (zh) * 2018-06-25 2018-11-13 湖北金标通用轧辊有限公司 一种高铬铸铁轧辊及其制备方法
CN109167483A (zh) * 2018-11-15 2019-01-08 南京腾图节能科技有限公司 一种水泵电机调整垫高的辅助工具
CN110453141A (zh) * 2019-09-06 2019-11-15 安徽信息工程学院 一种用于渣浆泵高韧性高铬铸铁材料及其制备方法
CN115679186B (zh) * 2022-11-10 2024-05-14 中钢集团邢台机械轧辊有限公司 一种热带宽幅铝轧机用工具钢轧辊的制备方法
CN116871462B (zh) * 2023-09-07 2023-11-14 淄博方锥机械制造有限公司 一种优化高铬铸铁碳化物形态的钢管模具轧辊制备方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85102865A (zh) * 1985-04-18 1987-03-04 冶金部钢铁研究总院 高铬轧辊钢及其轧辊
CN1080666A (zh) * 1993-06-11 1994-01-12 山东省冶金研究所 一种低碳高铬铸铁耐磨材料
JP2001181795A (ja) * 1999-12-20 2001-07-03 Kogi Corp 高クロム鋳鋼系圧延用ロール材
CN1854328A (zh) * 2005-04-20 2006-11-01 江苏共昌轧辊有限公司 改良的复合高铬铸铁轧辊
CN1861829A (zh) * 2005-05-11 2006-11-15 江苏共昌轧辊有限公司 改良的复合高铬钢轧辊及制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2034880U (zh) * 1988-05-28 1989-03-29 陈长顺 组合型高铬铸铁轧辊
JPH06192791A (ja) * 1992-12-25 1994-07-12 Hitachi Ltd 多段式圧延用作業ロールとその製造方法
JPH10317102A (ja) * 1997-05-22 1998-12-02 Kanto Special Steel Works Ltd 耐摩耗性および耐焼付き性に優れた冷間圧延用ワークロール材
JP3539160B2 (ja) * 1997-10-13 2004-07-07 Ｊｆｅスチール株式会社 脱スケール性、表面性状および生産性に優れたステンレス鋼の製造方法
JP3570288B2 (ja) * 1999-04-06 2004-09-29 住友金属工業株式会社 熱間加工性に優れた高Ｃｒマルテンサイト系耐熱鋼
JP2004122137A (ja) * 2002-09-30 2004-04-22 Jfe Steel Kk マルテンサイト系ステンレス鋼継目無鋼管の製造方法
JP4223414B2 (ja) * 2004-02-02 2009-02-12 山陽特殊製鋼株式会社 耐摩耗性、靱性に優れた圧延ロール用粉末高速度工具鋼

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85102865A (zh) * 1985-04-18 1987-03-04 冶金部钢铁研究总院 高铬轧辊钢及其轧辊
CN1080666A (zh) * 1993-06-11 1994-01-12 山东省冶金研究所 一种低碳高铬铸铁耐磨材料
JP2001181795A (ja) * 1999-12-20 2001-07-03 Kogi Corp 高クロム鋳鋼系圧延用ロール材
CN1854328A (zh) * 2005-04-20 2006-11-01 江苏共昌轧辊有限公司 改良的复合高铬铸铁轧辊
CN1861829A (zh) * 2005-05-11 2006-11-15 江苏共昌轧辊有限公司 改良的复合高铬钢轧辊及制备方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ZHAO W. ET AL.: "Research for application of rare earth in high Cr casting iron roller", JOURNAL OF WUHAN ENGINEERING INSTITUTE, vol. 17, no. 3, September 2005 (2005-09-01), pages 4 - 7 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101555570B (zh) * 2009-05-11 2012-02-29 顾开明 高铬镍五合金铸件及其生产工艺
CN101555569B (zh) * 2009-05-11 2012-02-29 顾开明 高合金铸件及其生产工艺
DE102014000165A1 (de) * 2014-01-07 2015-07-09 Horst Diesing Legierung und Verfahren für matrixinhärent unter tribomechanischer Belastung erzeugte Manganoxidschichten für erhöhte Gebrauchszeiten von warmarbeitenden Werkzeugen aus S(HSS)-Eisenbasislegierungen
DE102014000165B4 (de) * 2014-01-07 2016-06-09 Horst Diesing Legierung für matrixinhärent unter tribomechanischer Belastung erzeugte Manganoxidschichten für erhöhte Gebrauchszeiten von warmarbeitenden Werkzeugen aus S(HSS)-Eisenbasislegierungen
CN115161537A (zh) * 2022-06-30 2022-10-11 中钢集团邢台机械轧辊有限公司 一种高耐磨铸铁轧辊及其制造方法
CN115161537B (zh) * 2022-06-30 2023-07-14 中钢集团邢台机械轧辊有限公司 一种高耐磨铸铁轧辊及其制造方法

Also Published As

Publication number Publication date
CN101015836A (zh) 2007-08-15
CN100423858C (zh) 2008-10-08

Similar Documents

Publication Publication Date Title
WO2008061452A1 (fr) Rouleau permettant de souder des tubes au laminoir
CN107073570B (zh) 复合铸造异型轧辊及其制备方法
CN103276298B (zh) 高硬高韧冷热兼作模具钢及其生产方法
CN101285151B (zh) 具有高强韧性的石油套管及其生产方法
CN103409688B (zh) 大型锻造高速钢冷轧辊及其制造方法
CN106884118A (zh) 锻造电渣复合高速钢轧辊及其制造方法
CN104561815A (zh) 一种高均质大规格超高强度钢棒及其生产方法
CN105779861B (zh) 一种耐磨高钒氮高速钢型钢轧辊及其制造方法
CN104593691A (zh) 大型锻造合金钢支承辊辊套及其制造方法
CN104388812A (zh) 棒线材用高速钢复合轧辊及其制备方法
CN104438337B (zh) 一种用于带钢冷轧的耐磨轧辊及其制备方法
CN101486044B (zh) 连轧管机用直径为330mm以上的限动芯棒的制造方法
CN106086668A (zh) 一种高性能高速冲压冷作模具钢及其制备方法
CN103451551A (zh) 一种耐高温磨蚀铸钢穿孔机顶头的制备方法
CN108456825B (zh) 一种热轧无缝钢管穿孔机用复合导板及其制造方法
CN100423862C (zh) 一种铸造高铬铁或铸造高铬钢钢管矫直辊
CN105925889A (zh) 一种特厚规格1.2311模具钢板及其制备方法
CN105618485B (zh) 热轧无缝钢管定径机或减径机复合粒子强化轧辊及制备方法
CN110331333A (zh) X80管线用大直径无缝钢管的管坯及其生产方法
CN102513400B (zh) 一种用模铸空心钢锭锻制合金无缝钢管的方法
CN105316577A (zh) 大型高碳半钢材质离心辊环的制造方法
CN102240897A (zh) 水冷型双金属管模的制造方法
CN113235001A (zh) 具有高传热率和高抗热疲劳的高速铸轧辊套及加工方法
CN102409239A (zh) 大截面刀具用高速钢
CN102296240B (zh) 一种钢管及冷弯型钢高铬轧辊的制备方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07845676

Country of ref document: EP

Kind code of ref document: A1

DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)
NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 07845676

Country of ref document: EP

Kind code of ref document: A1