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Aisi+4140

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AISI 4140 High-Strength Steel Ring Forging

AISI 4140 High-Strength Steel Ring Forging

US $ 366 / Piece FOB
5 Pieces (MOQ)
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Jiangyin Golden Machinery Equipment Co., Ltd.

Jiangsu, China Since 2012
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AISI 4140 Cold Drawn Seamless Steel Pipe Tube

AISI 4140 Cold Drawn Seamless Steel Pipe Tube

US $ 800-1,000 / Ton FOB
3 Tons (MOQ)
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Wuxi Hanhai Hydraulic Machinery Co., Ltd.

Jiangsu, China Since 2023
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AISI 4140 4340 Scm440 42CrMo4 Hot Rolled Forged Alloy Round Bar

AISI 4140 4340 Scm440 42CrMo4 Hot Rolled Forged Alloy Round Bar

US $ 499-599 / Ton FOB
10 Tons (MOQ)
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LIAOCHENG HUAJIAN STEEL CO., LTD.

Shandong, China Since 2016
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40Cr 42CrMo aisi sae 4130 4140 hot rolled structural steel plate sheet

40Cr 42CrMo aisi sae 4130 4140 hot rolled structural steel plate sheet

US $ 15 / kg FOB
50 kg (MOQ)
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Shanghai Tankii Alloy Material Co., Ltd.

Shanghai, China Since 2008
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Liange AISI 4140 1060 C45 Ck45 1095 1020 A36 Q235 SAE 1016 1084 25mm Alloy 42CrMo Steel Round Bar

Liange AISI 4140 1060 C45 Ck45 1095 1020 A36 Q235 SAE 1016 1084 25mm Alloy 42CrMo Steel Round Bar

1,000 kg (MOQ)
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Qingdao Liange Special Steel Co., Ltd

Trading Company

Shandong, China Since 2021
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AISI 4130, 4140, 5120, 5140 Alloy Steel Plate

AISI 4130, 4140, 5120, 5140 Alloy Steel Plate

US $ 817-1,048 / Ton FOB
3 Tons (MOQ)
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Wuxi City Ge Ming Sheng Steel Trading Co., Ltd

Jiangsu, China Since 2021
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China Wholesale AISI 4140/4130/1018/1020/1045 S45c Sm45c SAE 1035 Hard Chrome Carbon Steel Round Alloy Steel Bars

China Wholesale AISI 4140/4130/1018/1020/1045 S45c Sm45c SAE 1035 Hard Chrome Carbon Steel Round Alloy Steel Bars

US $ 520-1,200 / Ton FOB
10 Tons (MOQ)
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Liaocheng Hengjiude Mechanical Equipment Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2023
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42CrMo / AISI 4140 Main Shaft for Wind Turbine

42CrMo / AISI 4140 Main Shaft for Wind Turbine

US $ 680-800 / Piece FOB
1 Piece (MOQ)
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Tianjin Zhonghe Weiye Machinery Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Tianjin, China Since 2024
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42CrMo4 1020 1045 5120 5140 Hot Rolled Welded Pipe AISI 4140 Alloy Tube 4130 Chromoly Seamless Steel Pipe

42CrMo4 1020 1045 5120 5140 Hot Rolled Welded Pipe AISI 4140 Alloy Tube 4130 Chromoly Seamless Steel Pipe

US $ 2-10 / kg FOB
500 kg (MOQ)
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Wenzhou Huashang Steel Co., Ltd

Zhejiang, China Since 2024
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10mm Hot Rolled AISI 4140 42CrMo4 Mild Steel Rod

10mm Hot Rolled AISI 4140 42CrMo4 Mild Steel Rod

US $ 820-848 / Ton FOB
1 Ton (MOQ)
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Shandong Mereal Metal Products Co., Ltd.

Shandong, China Since 2020
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Oil Well API 11b 1-1/2in Alloy Steel AISI 4140 Polished Rod on Sale

Oil Well API 11b 1-1/2in Alloy Steel AISI 4140 Polished Rod on Sale

US $ 50 / Piece FOB
1 Piece (MOQ)
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Dongying Zhaoxin Industry and Trade Co, Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2022
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in Stock High Precision 200mm 1060 1050 100mmx30cm AISI 4140 42CrMo 25mm Carbon Round Steel Bar

in Stock High Precision 200mm 1060 1050 100mmx30cm AISI 4140 42CrMo 25mm Carbon Round Steel Bar

US $ 1,095-1,300 / Ton FOB
1 Ton (MOQ)
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Tianjin Dingshengwang Steel Trade Co., Ltd.

Tianjin, China Since 2018
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Scm440, AISI 4140, 42CrMo4 Alloy Steel Round Bars

Scm440, AISI 4140, 42CrMo4 Alloy Steel Round Bars

US $ 500-800 / Ton FOB
1 Ton (MOQ)
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Shanghai Changzeng Metal Co., Ltd.

Shanghai, China Since 2016
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China Factory Alloy Steel Round Bar 40cr 4140 4130 42CrMo Cr12 Cr12MOV H13 D2 Tool Steel Hot-Rolled AISI Standard

China Factory Alloy Steel Round Bar 40cr 4140 4130 42CrMo Cr12 Cr12MOV H13 D2 Tool Steel Hot-Rolled AISI Standard

US $ 1,209-1,299 / Ton FOB
15 Tons (MOQ)
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DA LIAN MESCO STEEL CO., LTD.

Liaoning, China Since 2019
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AISI 4140/4130/1020/1045 Steel Round Bar/Carbon Steel Round Bar/Alloy Steel Bars

AISI 4140/4130/1020/1045 Steel Round Bar/Carbon Steel Round Bar/Alloy Steel Bars

US $ 500-600 / Ton FOB
1 Ton (MOQ)
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Qingdao Liange Special Steel Co., Ltd.

Trading Company

Shandong, China Since 2021
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API ASTM AISI 4130 4340 4140 4145 Hot Forged Alloy Steel Engineering Cast Ductile Iron Bar

API ASTM AISI 4130 4340 4140 4145 Hot Forged Alloy Steel Engineering Cast Ductile Iron Bar

US $ 600-950 / Ton FOB
1 Ton (MOQ)
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Shandong Great Steel Co., Ltd

Manufacturer/Factory & Trading Company

Shandong, China Since 2023
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Factory Price En8 En19 En24 SAE AISI 4340 4130 4140 Forged Steel Square Forging

Factory Price En8 En19 En24 SAE AISI 4340 4130 4140 Forged Steel Square Forging

US $ 700-2,300 / Ton FOB
3 Tons (MOQ)
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Jiangsu Changli Equipment Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2023
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AISI 4140 ASTM A369 Grade 8.8 High Strength Carbon Steel Round Bar /Rod

AISI 4140 ASTM A369 Grade 8.8 High Strength Carbon Steel Round Bar /Rod

US $ 460-750 / Ton FOB
1 Ton (MOQ)
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Liaocheng Haoshuntong Metal Materials Co., Ltd.

Trading Company

Shandong, China Since 2025
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AISI 630 Stainless Forged Round Bar 1.7225/ 4140 /Scm440/Forged Alloy 1.6510 Steel

AISI 630 Stainless Forged Round Bar 1.7225/ 4140 /Scm440/Forged Alloy 1.6510 Steel

US $ 1-2.5 / Piece FOB
10 Pieces (MOQ)
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Shandong Meide Import and Export Co., Ltd.

Shandong, China Since 2023
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Iron Rod Round Bar SAE 4140 4130 Carbon Steel Round Bars AISI 1045 Steel Bars

Iron Rod Round Bar SAE 4140 4130 Carbon Steel Round Bars AISI 1045 Steel Bars

US $ 420-500 / Ton FOB
10 Tons (MOQ)
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Shandong Zehao Metal Materials Co., Ltd.

Shandong, China Since 2023
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ASTM A36 AISI 1020 1045 1060 4140 42CrMo4 Steel Bar Alloy Solid Steel Rod Carbon Steel Bar

ASTM A36 AISI 1020 1045 1060 4140 42CrMo4 Steel Bar Alloy Solid Steel Rod Carbon Steel Bar

US $ 500-600 / Ton FOB
1 Ton (MOQ)
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Jiangsu Rongyi Metal Co., Ltd

Jiangsu, China Since 2025
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40cr 42CrMo AISI 4140 Mild Steel U Channel 10mm

40cr 42CrMo AISI 4140 Mild Steel U Channel 10mm

US $ 520-560 / Ton FOB
1 Ton (MOQ)
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Wuxi Qingfa Tong Metal Products Co., Ltd.

Jiangsu, China Since 2022
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Alloy Steel Round Bar 40cr 4140 4130 42CrMo Cr12 Cr12MOV H13 D2 Tool Steel Hot-Rolled AISI Standard

Alloy Steel Round Bar 40cr 4140 4130 42CrMo Cr12 Cr12MOV H13 D2 Tool Steel Hot-Rolled AISI Standard

US $ 569-599 / Ton FOB
25 Tons (MOQ)
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Dalian Times Steel Co., Ltd.

Liaoning, China Since 2025
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About Aisi+4140 FAQ

  • QHow can I identify a reliable supplier of steel round bars in China?

    The Aisi+4140 is classified under our comprehensive Steel Round Bar range.To find a reliable supplier in China, research online platforms, attend industry exhibitions, and verify credentials. Request samples to check product quality. Partnering with a well-known manufacturer can provide peace of mind regarding product quality and timely delivery.

  • QWhat are the common types of steel used for manufacturing round bars?

    The Aisi+4140 is classified under our comprehensive Steel Round Bar range.Steel round bar can be made of various types including carbon steel, alloy steel, and stainless steel. Different types offer varying strength, corrosion resistance, and machinability. Consult with a well-known manufacturer to determine the best type for your application.

  • QWhat advantages does wholesale purchase of steel round bars offer?

    Discover the perfect addition to your Steel Round Bar with our Aisi+4140.Wholesale purchase of steel round bars allows for cost savings, bulk availability, and consistent quality. Suppliers often provide discounts and customization options for large orders, providing value and long-term benefits for your business.

Alloy Steel Pipe AISI E4137 4140 Ts4140 4142 SAE4140 G41400 G41420 ASTM A29/A29m-2012 Customized Carbon Steel Pipe Seamless Round Pipe

Alloy Steel Pipe AISI E4137 4140 Ts4140 4142 SAE4140 G41400 G41420 ASTM A29/A29m-2012 Customized Carbon Steel Pipe Seamless Round Pipe

US $ 400-650 / Ton FOB
1 Ton (MOQ)
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Shanghai Bolaisheng Metal Group Co., Ltd.

Trading Company

Shanghai, China Since 2024
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ASTM A106 AISI 4140 Gr B Seamless Steel Pipe Round Steel Pipe

ASTM A106 AISI 4140 Gr B Seamless Steel Pipe Round Steel Pipe

US $ 600-800 / Ton FOB
1 Ton (MOQ)
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Tianjin RuiTong Iron & Steel Co., LTD.

Manufacturer/Factory & Trading Company

Tianjin, China Since 2021
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AISI 4140 1020 1045 Cold Drawn Structure Mild Carbon Alloy Forged Bright Cylinder Dia 20mm 22mm 24mm 26mm 30mm Steel Round Bar Price for Sale

AISI 4140 1020 1045 Cold Drawn Structure Mild Carbon Alloy Forged Bright Cylinder Dia 20mm 22mm 24mm 26mm 30mm Steel Round Bar Price for Sale

US $ 450-490 / Ton FOB
1 Ton (MOQ)
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Shandong Quansheng Material Technology Group Co., LTD

Shandong, China Since 2024
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Prime Quality Hot Rolled 42CrMo Steel Plate AISI 4140 4130 Wear Resistant Carbon Steel Sheet 30CrMo Alloy Metal Plate Free Cutting Factory

Prime Quality Hot Rolled 42CrMo Steel Plate AISI 4140 4130 Wear Resistant Carbon Steel Sheet 30CrMo Alloy Metal Plate Free Cutting Factory

US $ 600 / Ton FOB
1 Ton (MOQ)
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Jiangsu Xinyuanxing Metal Products Co., Ltd.

Trading Company

Jiangsu, China Since 2024
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AISI 4140 4130 30CrMo 42CrMo Carbon Steel Round Bar 1045 Steel Bars

AISI 4140 4130 30CrMo 42CrMo Carbon Steel Round Bar 1045 Steel Bars

US $ 480-650 / Ton FOB
1 Ton (MOQ)
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SHANDONG HAOHAN STEEL INDUSTRY CO., LTD.

Trading Company

Shandong, China Since 2024
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Spare Auto Parts Alloy Steel with Scm440 block AISI 4140 42CrMo4 42crmos4 Flat Steel Plate Sheet Block Round Bar

Spare Auto Parts Alloy Steel with Scm440 block AISI 4140 42CrMo4 42crmos4 Flat Steel Plate Sheet Block Round Bar

US $ 800-1,500 / Ton FOB
1 Ton (MOQ)
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Ningbo Ningshing Precision Machinery Group Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2021
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AISI 4140 15 Modules 1.5 Transmission Pinion Spur Worm Gear

AISI 4140 15 Modules 1.5 Transmission Pinion Spur Worm Gear

US $ 2.6-4 / Piece FOB
1,000 Pieces (MOQ)
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Dongguan Quality Innovation and Technology Co., Ltd

Guangdong, China Since 2022
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AISI 4140 4130 1045 1020 4340 8620 Y20 Y50 Y50 Y55 Y100 Cold Rolled Hot Rolled Steel Bar Round Rod

AISI 4140 4130 1045 1020 4340 8620 Y20 Y50 Y50 Y55 Y100 Cold Rolled Hot Rolled Steel Bar Round Rod

US $ 365-456 / Ton FOB
5 Tons (MOQ)
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Shandong Hongyan Metal Material Co., Ltd.

Trading Company

Shandong, China Since 2021
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Cold Rolled/Hot Rolled AISI 4130 4140 Rolled Stainless Steel Seamless/Round Tube/Welded Pipe

Cold Rolled/Hot Rolled AISI 4130 4140 Rolled Stainless Steel Seamless/Round Tube/Welded Pipe

US $ 400-600 / Ton FOB
1 Ton (MOQ)
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Dengwei International Trading (Shang hai)Co.,ltd

Trading Company

Shanghai, China Since 2024
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Hot Sale Forged & Hot Rolled Carbon Steel Round Bar - AISI 1045/4140 - Heat Treated Steel Rod - Factory Price

Hot Sale Forged & Hot Rolled Carbon Steel Round Bar - AISI 1045/4140 - Heat Treated Steel Rod - Factory Price

US $ 500-600 / Ton FOB
5 Tons (MOQ)
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Audited Supplier
Hunan Hengan Weiye Metal Products Co., Ltd.

Manufacturer/Factory & Trading Company

Hunan, China Since 2022
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AISI 4140 Cast Steel Anchor Bolts for Bridge Construction of Casting Foundry

AISI 4140 Cast Steel Anchor Bolts for Bridge Construction of Casting Foundry

US $ 1,000-1,200 / Ton FOB
1 Ton (MOQ)
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Jiangsu Shengrong High End Equipment Manufacturing Industry Co., Ltd

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2023
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China Customized Power Chrome Hydraulic Plated Shaft AISI 4140 Ck45 Cylinder Rod

China Customized Power Chrome Hydraulic Plated Shaft AISI 4140 Ck45 Cylinder Rod

US $ 0.5-8 / Piece FOB
1 Piece (MOQ)
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YI SHENG PRECISION MACHINERY CO., LTD.

Jiangsu, China Since 2023
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AISI 4140 4130 1018 1020 1045 Alloy Steel Round Bar En8 En24 Carbon Steel Round Bar for Precision Machining Turning Parts

AISI 4140 4130 1018 1020 1045 Alloy Steel Round Bar En8 En24 Carbon Steel Round Bar for Precision Machining Turning Parts

US $ 750-910 / Ton FOB
5 Tons (MOQ)
Contact Supplier
Audited Supplier
Jiangsu Hengshuntai Steel Co., Ltd.

Jiangsu, China Since 2021
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