hot rolled 65mn 80mm spring steel round bar

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  • 65Mn Spring Steel - Quality Products & Best Prices

    2021-1-25u2002·u2002And fushun Special Steel supply in GB 65Mn Spring Steel round bar, flat bar, rod bar, wire and plate supply. Moreover, GB 65Mn Steel is a high quality Alloy Spring Steel, and it belong to the high quality high carbon alloy Spring Steel.Its Quenched & Tempered Hardness is 28-34 HRC. 65Mn steel under Annealing delivery hardness less than 250HB.

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  • 65Mn Spring Steel

    And Otai Special Steel supplly in GB 65Mn Spring Steel round bar, flat bar., rod bar, wire and plate supply. Moreover, GB 65Mn Steel is a high quality Alloy Spring Steel, and it belong to the high quality high carbon alloy Spring Steel.Its Quenched & Tempered Hardness is 28-34 HRC. 65Mn steel under Annealing delivery hardenss less than 250HB.

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  • 65Mn Steel Round Bar, Plate, Sheet, Rod Suppliers - Buy ...

    1: Annealing of 65Mn Spring Steel. At first Slowly heated to 730 ℃ and allow enough times, let the steel to be thoroughly heated, Then cool slowly in the furnace. Then 65Mn tool steel will get MAX 250 HB (Brinell hardness). 2: Hardening of 65Mn Spring Steel. At the beginning, 65Mn steels should be heated uniformly to 830-860°C (1526 ...

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  • [Hot Item] Profile Steel 65mn Ck75 Mild Spring Steel Flat Bar

    China Profile Steel 65mn Ck75 Mild Spring Steel Flat Bar, Find details about China Spring Steel, Hot Rolled Steel from Profile Steel 65mn Ck75 Mild Spring Steel Flat Bar - Qingdao Hengze Steel Co., Ltd.

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  • Hot rolled spring steel bar, Excellent Hot rolled spring ...

    Hot rolled spring steel bar Manufacturer provides Hot rolled spring steel bar, Excellent Hot rolled spring steel bars with favorable price

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  • China 65mn Cold Rolled Steel Strip/65mn Cold Rolled

    China 65mn Cold Rolled Steel Strip/65mn Cold Rolled Spring Steel Strip, Find details about China 65mn Cold Rolled Steel Strip, 65mn Cold Rolled Spring Steel Strip from 65mn Cold Rolled Steel Strip/65mn Cold Rolled Spring Steel Strip - Shanghui (Tianjin) Metal Material Co., Ltd.

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  • 65Mn (AISI 1566) Spring Steel- TJC STEEL.

    65Mn is a typical spring steel with high strength, high hardenability, low decarburization tendency, but it is sensitive to overheating, easy to produce [TJC STEEL]quenching cracks and temper brittleness.Its cutting performance is also good, in the annealing state, the relative machinability of 70%. As low manganese spring steel (GB/T 1222 ...

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  • 65MN Steel - Special Steel

    2011-11-11u2002·u200265MN Steel. Professional manufacturer of 50#, 40Mn, 65Mn, 60Si2Mn, SK4, SK5, SK7, and Special Steel strips and high-precision Stainless steel spring leaves. We are well equipped with strong technical power, and advanced equipments such as continuum acid cleaning lines, six-roller reversible cold rolling units for hydraulic PC control system, bell type bright annealing furnaces, precision ...

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  • 60Si2Mn Hot Rolled Steel Bar,Hot Rolled Spring Steel Flat ...

    High quality 60Si2Mn Hot Rolled Steel Bar,Hot Rolled Spring Steel Flat Bar, Thickness 5-80mm, Width :20-600mm from China, China's leading alloy steel round bar product, with strict quality control hot rolled round bar factories, producing high quality hot rolled round bar products.

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  • Datasheet for Steel Grades Structure Steel 65Mn

    2021-9-28u2002·u2002Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting, Coil Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting Pipes Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x ...

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  • 65Mn Steel Round Bar, Plate, Sheet, Rod Suppliers - Buy ...

    1: Annealing of 65Mn Spring Steel. At first Slowly heated to 730 ℃ and allow enough times, let the steel to be thoroughly heated, Then cool slowly in the furnace. Then 65Mn tool steel will get MAX 250 HB (Brinell hardness). 2: Hardening of 65Mn Spring Steel. At the beginning, 65Mn steels should be heated uniformly to 830-860°C (1526 ...

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  • 65MN Steel - Special Steel

    2011-11-11u2002·u200265MN Steel. Professional manufacturer of 50#, 40Mn, 65Mn, 60Si2Mn, SK4, SK5, SK7, and Special Steel strips and high-precision Stainless steel spring leaves. We are well equipped with strong technical power, and advanced equipments such as continuum acid cleaning lines, six-roller reversible cold rolling units for hydraulic PC control system, bell type bright annealing furnaces, …

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  • 65mn Astm 1065 High Carbon Spring Steel - Buy 65mn ...

    65mn Astm 1065 High Carbon Spring Steel, Find Complete Details about 65mn Astm 1065 High Carbon Spring Steel,65mn Spring Steel,1065 High Carbon Steel,Astm 1065 Spring Steel from Spring Steel Supplier or Manufacturer-CNBM International Corporation

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  • High quality 65Mn Cold Rolled Steel Strip Coil 65mn Spring ...

    And Mittel Steel supplly in GB 65Mn Spring Steel round bar, flat bar., rod bar, wire and plate supply. Moreover, GB 65Mn Steel is a high quality Alloy Spring Steel, and it belong to the high quality high carbon alloy Spring Steel.Its Quenched & Tempered Hardness is 28-34 HRC. 65Mn steel under Annealing delivery hardenss less than 250HB.

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  • China Hot Rolled 65mn Spring Steel - China Steel Plate ...

    Steel Plate, Hot Rolled, C67 manufacturer supplier in China, offering Hot Rolled 65mn Spring Steel, Hot Sale 1.5 mm Thick 2024 Aluminium Checker Plates, ASTM 2507 Stainless Steel Plate (SS ASTM S32750 EN 022Cr25Ni7Mo4N 1.4410) and so on.

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  • China Spring Steel Round Bar, Spring Steel Round Bar ...

    China Spring Steel Round Bar manufacturers - Select 2021 high quality Spring Steel Round Bar products in best price from certified Chinese Steel, Stainless Steel suppliers, wholesalers and factory on Made-in-China.com

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  • China 1065 65mn Hot Rolled Spring Steel Plate - China ...

    Steel Sheet, Steel Plate, Alloy Steel Sheet manufacturer supplier in China, offering 1065 65mn Hot Rolled Spring Steel Plate, Stainless Steel Seamless Pipe 2205, 2507 Welded Steel Pipe, China Factory Good Quality Solid High Strength Aluminium Round Bar Alloy Rod 1199 2024 3003 5052 6061 7005 Aluminum Bar and so on.

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  • round bars spring steel, round bars spring steel Suppliers ...

    2,803 round bars spring steel products are offered for sale by suppliers on Alibaba.com, of which springs accounts for 1%, steel strips accounts for 1%. A wide variety of round bars spring steel options are available to you, such as industrial, automobile;auto;car.

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  • Datasheet for Steel Grades Structure Steel 65Mn

    2021-9-28u2002·u2002Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting, Coil Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting Pipes Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x ...

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  • 60Si2Mn Hot Rolled Steel Bar,Hot Rolled Spring Steel Flat ...

    High quality 60Si2Mn Hot Rolled Steel Bar,Hot Rolled Spring Steel Flat Bar, Thickness 5-80mm, Width :20-600mm from China, China's leading alloy steel round bar product, with strict quality control hot rolled round bar factories, producing high quality hot rolled round bar products.

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  • 65Mn Steel Round Bar, Plate, Sheet, Rod Suppliers - Buy ...

    1: Annealing of 65Mn Spring Steel. At first Slowly heated to 730 ℃ and allow enough times, let the steel to be thoroughly heated, Then cool slowly in the furnace. Then 65Mn tool steel will get MAX 250 HB (Brinell hardness). 2: Hardening of 65Mn Spring Steel. At the beginning, 65Mn steels should be heated uniformly to 830-860°C (1526 ...

    Get Price
  • 65MN Steel - Special Steel

    2011-11-11u2002·u200265MN Steel. Professional manufacturer of 50#, 40Mn, 65Mn, 60Si2Mn, SK4, SK5, SK7, and Special Steel strips and high-precision Stainless steel spring leaves. We are well equipped with strong technical power, and advanced equipments such as continuum acid cleaning lines, six-roller reversible cold rolling units for hydraulic PC control system, bell type bright annealing furnaces, precision ...

    Get Price
  • 65mn Astm 1065 High Carbon Spring Steel - Buy 65mn ...

    65mn Astm 1065 High Carbon Spring Steel, Find Complete Details about 65mn Astm 1065 High Carbon Spring Steel,65mn Spring Steel,1065 High Carbon Steel,Astm 1065 Spring Steel from Spring Steel Supplier or Manufacturer-CNBM International Corporation

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  • High quality 65Mn Cold Rolled Steel Strip Coil 65mn

    And Mittel Steel supplly in GB 65Mn Spring Steel round bar, flat bar., rod bar, wire and plate supply. Moreover, GB 65Mn Steel is a high quality Alloy Spring Steel, and it belong to the high quality high carbon alloy Spring Steel.Its Quenched & Tempered Hardness is 28-34 HRC. 65Mn steel under Annealing delivery hardenss less than 250HB.

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  • China Hot Rolled 65mn Spring Steel - China Steel Plate ...

    Steel Plate, Hot Rolled, C67 manufacturer supplier in China, offering Hot Rolled 65mn Spring Steel, Hot Sale 1.5 mm Thick 2024 Aluminium Checker Plates, ASTM 2507 Stainless Steel Plate (SS ASTM S32750 EN 022Cr25Ni7Mo4N 1.4410) and so on.

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  • China Spring Steel Round Bar, Spring Steel Round Bar ...

    China Spring Steel Round Bar manufacturers - Select 2021 high quality Spring Steel Round Bar products in best price from certified Chinese Steel, Stainless Steel …

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  • China 1065 65mn Hot Rolled Spring Steel Plate - China ...

    Steel Sheet, Steel Plate, Alloy Steel Sheet manufacturer supplier in China, offering 1065 65mn Hot Rolled Spring Steel Plate, Stainless Steel Seamless Pipe 2205, 2507 Welded Steel Pipe, China Factory Good Quality Solid High Strength Aluminium Round Bar Alloy Rod 1199 2024 3003 5052 6061 7005 Aluminum Bar and so on.

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  • round bars spring steel, round bars spring steel Suppliers ...

    2,803 round bars spring steel products are offered for sale by suppliers on Alibaba.com, of which springs accounts for 1%, steel strips accounts for 1%. A wide variety of round bars spring steel options are available to you, such as industrial, automobile;auto;car.

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  • Datasheet for Steel Grades Structure Steel 65Mn

    2021-9-28u2002·u2002Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting, Coil Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting Pipes Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x ...

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  • 60Si2Mn Hot Rolled Steel Bar,Hot Rolled Spring Steel Flat ...

    High quality 60Si2Mn Hot Rolled Steel Bar,Hot Rolled Spring Steel Flat Bar, Thickness 5-80mm, Width :20-600mm from China, China's leading alloy steel round bar product, with strict quality control hot rolled round bar factories, producing high quality hot rolled round bar products.

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  • 65Mn Steel Round Bar, Plate, Sheet, Rod Suppliers - Buy ...

    1: Annealing of 65Mn Spring Steel. At first Slowly heated to 730 ℃ and allow enough times, let the steel to be thoroughly heated, Then cool slowly in the furnace. Then 65Mn tool steel will get MAX 250 HB (Brinell hardness). 2: Hardening of 65Mn Spring Steel. At the beginning, 65Mn steels should be heated uniformly to 830-860°C (1526 ...

    Get Price
  • 65MN Steel - Special Steel

    2011-11-11u2002·u200265MN Steel. Professional manufacturer of 50#, 40Mn, 65Mn, 60Si2Mn, SK4, SK5, SK7, and Special Steel strips and high-precision Stainless steel spring leaves. We are well equipped with strong technical power, and advanced equipments such as continuum acid cleaning lines, six-roller reversible cold rolling units for hydraulic PC control system, bell type bright annealing furnaces, …

    Get Price
  • 65mn Astm 1065 High Carbon Spring Steel - Buy 65mn ...

    65mn Astm 1065 High Carbon Spring Steel, Find Complete Details about 65mn Astm 1065 High Carbon Spring Steel,65mn Spring Steel,1065 High Carbon Steel,Astm 1065 Spring Steel from Spring Steel Supplier or Manufacturer-CNBM International Corporation

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  • High quality 65Mn Cold Rolled Steel Strip Coil 65mn Spring ...

    And Mittel Steel supplly in GB 65Mn Spring Steel round bar, flat bar., rod bar, wire and plate supply. Moreover, GB 65Mn Steel is a high quality Alloy Spring Steel, and it belong to the high quality high carbon alloy Spring Steel.Its Quenched & Tempered Hardness is 28-34 HRC. 65Mn steel under Annealing delivery hardenss less than 250HB.

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  • China Hot Rolled 65mn Spring Steel - China Steel Plate ...

    Steel Plate, Hot Rolled, C67 manufacturer supplier in China, offering Hot Rolled 65mn Spring Steel, Hot Sale 1.5 mm Thick 2024 Aluminium Checker Plates, ASTM 2507 Stainless Steel Plate (SS ASTM S32750 EN 022Cr25Ni7Mo4N 1.4410) and so on.

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  • China Spring Steel Round Bar, Spring Steel Round Bar ...

    China Spring Steel Round Bar manufacturers - Select 2021 high quality Spring Steel Round Bar products in best price from certified Chinese Steel, Stainless Steel suppliers, wholesalers and factory on Made-in-China.com

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  • China 1065 65mn Hot Rolled Spring Steel Plate - China ...

    Steel Sheet, Steel Plate, Alloy Steel Sheet manufacturer supplier in China, offering 1065 65mn Hot Rolled Spring Steel Plate, Stainless Steel Seamless Pipe 2205, 2507 Welded Steel Pipe, China Factory Good Quality Solid High Strength Aluminium Round Bar Alloy Rod 1199 2024 3003 5052 6061 7005 Aluminum Bar and so on.

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  • round bars spring steel, round bars spring steel Suppliers ...

    2,803 round bars spring steel products are offered for sale by suppliers on Alibaba.com, of which springs accounts for 1%, steel strips accounts for 1%. A wide variety of round bars spring steel options are available to you, such as industrial, automobile;auto;car.

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  • Datasheet for Steel Grades Structure Steel 65Mn

    2021-9-28u2002·u2002Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting, Coil Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting Pipes Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x ...

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  • 60Si2Mn Hot Rolled Steel Bar,Hot Rolled Spring Steel Flat ...

    High quality 60Si2Mn Hot Rolled Steel Bar,Hot Rolled Spring Steel Flat Bar, Thickness 5-80mm, Width :20-600mm from China, China's leading alloy steel round bar product, with strict quality control hot rolled round bar factories, producing high quality hot rolled round bar products.

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  • 65Mn Spring Steel 080A67 1066 Forged Hot Rolled Bars

    65Mn steel is a Chinese GB standard spring steel grade. Its strength, hardness, elasticity and hardenability are higher than that of 65# steel, but it has superheat sensitivity, easy to produce quench crack and temper brittleness. The annealed state has good machinability, and the cold deformation plasticity is low, but the weldability is poor.

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  • 65Mn Carbon Steel Round Bars

    Being one of the noted manufacturer, stockists and suppliers, weoffer 65Mn Carbon Steel Round Bars.Available at economical rates, the offered 65Mn Carbon Steel Round Bars are widely used in metallurgical, mechanical, electrical construction field, ships, military uses and automobile rear of products.We are a prominent name in manufacturing and supplying a wide range of 65Mn Carbon Steel Round ...

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  • 65Mn Steel Plates, 65Mn Spring Steel Plate, 65Mn Carbon ...

    2018-12-17u2002·u2002high carbon steel 65mn spring steel plate, gb/t 1222 65mn carbon steel plates, 65mn mechanical properties, 65mn spring steel carbon steel plate, 65mn steel material properties, 65mn steel plate suppliers in china, 65mn steel plate thickness, 65mn steel plate price list china, gb/t 711 65mn carbon steel plate, din 65mn 1.1240 steel plate 65mn steel plate dealer in china, hot rolled 65mn …

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  • 65mn hot rolled spring steel plate price Carbon steel,mild ...

    elastic 65Mn spring flat steel,page1. [Hot Item] 42CrMo4 1045 Rolled Forged Cold Drawn Steel China 42CrMo4 1045 Rolled Forged Cold Drawn Steel Bars,Find details about China Steel Bar,Round Bar from 42CrMo4 1045 Rolled Forged Cold Drawn Steel Bars - HUNAN QILU INDUSTRIAL CO.,LTD.

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  • High quality 65Mn Cold Rolled Steel Strip Coil 65mn

    And Mittel Steel supplly in GB 65Mn Spring Steel round bar, flat bar., rod bar, wire and plate supply. Moreover, GB 65Mn Steel is a high quality Alloy Spring Steel, and it belong to the high quality high carbon alloy Spring Steel.Its Quenched & Tempered Hardness is 28-34 HRC. 65Mn steel under Annealing delivery hardenss less than 250HB.

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  • [Hot Item] 65mn High Strength Spring Steel Strip Steel ...

    China 65mn High Strength Spring Steel Strip Steel Strip Coil, Find details about China Strip, Steel Strip from 65mn High Strength Spring Steel Strip Steel Strip Coil - Tianjin Xuboyuan Iron & Steel …

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  • Hot-Rolled 65Mn Spring Sheet High-strength /1-10 mm ...

    Hardness : ≤302HB (hot-rolled) Product Standard. SAE1566, GB/T 711-88, GB/T 1222-2007. Aplication: Used for small size flat round spring, seat cushion spring, spring wind, spring ring, valve spring, clutch reed, brake spring and cold drawn steel cold roll coil spring. Stock of 65Mn Spring sheet. Package: Boundled by strip

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  • [Hot Item] Sup7 Sup9a Sup10 Sup7 50crva 51CRV4 55cr3

    SUP7 SUP9A SUP10 SUP7 50CRVA 51CRV4 55CR3 65MN 55CRMNA 60CRMNA 60SI2MN 6150 5160 Spring Steel Flat Bar Our factory, Is a factory and supplier with more than 20 years of steel rolling history. There are two production plants with an annual production capacity of more than 50,000 tons and annual sales of more than 150 million yuan.

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  • SUP9 55Cr3 55CrMnA spring steel round bar

    Related Spring Steel Round Bar - Spring Steel - Hot Rolled Round Bar; ... Spring steel Basic Info: 1,Grade: GB: 65Mn,55Si2Mn, 60Si2Mn, 55CrMnA, 60CrMnA,50CrVA, 60CrMnBA,55SiMnVBA,60Si2CrA JIS: SUP7, SUP9, SUP9A, SUP10, SUP11, SUP12 ... Our company export round bar steel, steel strips and other section bar,if you have any demand of these ...

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  • Steel Round Bar - Ryerson

    Steel Round Bar. Ryerson's carbon steel round bar offering includes both Special Bar Quality (SBQ) and Merchant Bar Quality ( MBQ). SBQ grades include 1018, 1045, 1117, 1141, 1144, 1215, 12L14, Stressproof and Fatigueproof. These are stocked in a variety of sizes and finishes including hot rolled designed to meet various strength ...

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  • 65Mn Spring Steel

    And Otai Special Steel supplly in GB 65Mn Spring Steel round bar, flat bar., rod bar, wire and plate supply. Moreover, GB 65Mn Steel is a high quality Alloy Spring Steel, and it belong to the high quality high carbon alloy Spring Steel.Its Quenched & Tempered Hardness is 28-34 HRC. 65Mn steel under Annealing delivery hardenss less than 250HB.

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  • [Hot Item] 65mn Equivalent ASTM 1566 Spring Steel Rod Bar

    China 65mn Equivalent ASTM 1566 Spring Steel Rod Bar, Find details about China 65mn Steel, 1566 Steel from 65mn Equivalent ASTM 1566 Spring Steel Rod Bar - Dongguan City Song Shun Mould Steel Products Co., Ltd.

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  • High quality 65Mn Cold Rolled Steel Strip Coil 65mn

    And Mittel Steel supplly in GB 65Mn Spring Steel round bar, flat bar., rod bar, wire and plate supply. Moreover, GB 65Mn Steel is a high quality Alloy Spring Steel, and it belong to the high quality high carbon alloy Spring Steel.Its Quenched & Tempered Hardness is 28-34 HRC. 65Mn steel under Annealing delivery hardenss less than 250HB.

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  • 65MN Steel - Special Steel

    2011-11-11u2002·u200265MN Steel. Professional manufacturer of 50#, 40Mn, 65Mn, 60Si2Mn, SK4, SK5, SK7, and Special Steel strips and high-precision Stainless steel spring leaves. We are well equipped with strong technical power, and advanced equipments such as continuum acid cleaning lines, six-roller reversible cold rolling units for hydraulic PC control system, bell type …

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  • China High Carbon Sk70 Ck60 65mn Spring Steel Strip ...

    China High Carbon Sk70 Ck60 65mn Spring Steel Strip, Find details about China Building Material, Steel from High Carbon Sk70 Ck60 65mn Spring Steel Strip - Qingdao Hengcheng Steel …

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  • Hot-Rolled 65Mn Spring Sheet High-strength /1-10 mm ...

    Hardness : ≤302HB (hot-rolled) Product Standard. SAE1566, GB/T 711-88, GB/T 1222-2007. Aplication: Used for small size flat round spring, seat cushion spring, spring wind, spring ring, valve spring, clutch reed, brake spring and cold drawn steel cold roll coil spring. Stock of 65Mn Spring sheet. Package: Boundled by strip

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  • Custom Size AISI6150 65mn Leaf Spring Steel Flat Bars

    China Custom Size AISI6150 65mn Leaf Spring Steel Flat Bars, Find details about China Steel Flat Bars, 65mn Steel Flat Bars from Custom Size AISI6150 65mn Leaf Spring Steel Flat Bars - Jiangxi Yuancheng Automobile Technology Co., Ltd.

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  • China Products 55crsi 65mn Oil Tempered Flat Steel Wire ...

    Product show: Package: Factory: About us: Nanjing hengjie steel industrial Co., Ltd is a joint-stock company. We can supply high value-added spring steel products, oil tempered steel wire, cold drawn round steel bar, peeled round bar, cold drawn square steel, steel sheet, hot rolled wire rod, hot rolled round bar, hot rolled spring flat steel, cold drawn hexagons, cold drawn round steel, …

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  • Alloy Steel, Steel Round Bar from China Manufacturers ...

    China Alloy Steel, Steel Round Bar, Stainless Steel, offered by China manufacturer & supplier -Haixiang Metal Technology (Hangzhou) Co., Ltd., page1 ... 65mn Spring Steel Plate Sheet Steel Strip ... Alloy Steel Bar is divided into three types: hot rolled, forged and cold drawn.Hot-rolled bar steel is 5 to 250 mm, of which 5 to 9 ...

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  • China Sup7 Sup9 Sup10 Hot Rolled Spring Steel Round Bar ...

    China Sup7 Sup9 Sup10 Hot Rolled Spring Steel Round Bar, Find details about China Spring Steel Round Bar, Steel Round Bar from Sup7 Sup9 Sup10 Hot Rolled Spring Steel Round Bar - Qingdao Highleader International Supply Chain Co. Ltd.

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