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Alloy Steel Flat Bar 4340

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4130 4140 4340 Forged Bar

4130 4140 4340 Forged Bar

US $ 3.5-4 / kg FOB
1,000 kg (MOQ)
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SASA ALLOY CO., LIMITED

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2025
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42CrMo4 En24 817m40 Scm415 8620 En8d Forged Die Tool Block Flat Steel Bar

42CrMo4 En24 817m40 Scm415 8620 En8d Forged Die Tool Block Flat Steel Bar

US $ 500-1,000 / Ton FOB
1 Ton (MOQ)
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Zhonghe Steel (Tianjin) Co., Ltd.

Trading Company

Tianjin, China Since 2024
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1.6511 Alloy Steel 4340 Hot Forged Round Bar

1.6511 Alloy Steel 4340 Hot Forged Round Bar

10 Tons (MOQ)
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Dongguan Chimold Technology Co., Ltd

Guangdong, China Since 2021
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Ground Polished 20cr 40cr 40CrNiMoA 4140 4340 Alloy Steel Square Bar

Ground Polished 20cr 40cr 40CrNiMoA 4140 4340 Alloy Steel Square Bar

US $ 1,100-1,300 / Ton FOB
30 Tons (MOQ)
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Guangdong Tianxiong Contemporary Metal Technology Limited

Manufacturer/Factory & Trading Company

Guangdong, China Since 2020
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40mm 50mm AISI 4340 Corrosion Resistance Cold Drawn 14mm All Size Low Carbon Steel Rod Bar for Construction

40mm 50mm AISI 4340 Corrosion Resistance Cold Drawn 14mm All Size Low Carbon Steel Rod Bar for Construction

US $ 450-480 / Ton FOB
5 Tons (MOQ)
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Shandong Xinghuasheng Steel Group Co., Ltd

Shandong, China Since 2023
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Sncm431 4340 DIN1.6580 30crnimo8 Hardened Steel

Sncm431 4340 DIN1.6580 30crnimo8 Hardened Steel

US $ 500-5,000 / Ton FOB
1 Ton (MOQ)
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Hunan Fushun Metal Co., Ltd.

Hunan, China Since 2022
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4340 1.6511 Sncm439 40CrNiMoA Special Steel Flat Alloy Structural Steel

4340 1.6511 Sncm439 40CrNiMoA Special Steel Flat Alloy Structural Steel

US $ 1,050-1,100 / Ton FOB
20 Tons (MOQ)
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Dongguan Chimold Technology Co., Ltd

Guangdong, China Since 2021
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5140 4140 En24 40crnimo7 4340 Carbon Alloy Hot Rolled Steel Round Bar

5140 4140 En24 40crnimo7 4340 Carbon Alloy Hot Rolled Steel Round Bar

US $ 900-1,500 / Ton FOB
1 Ton (MOQ)
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HUNAN QILU INDUSTRIAL CO., LTD.

Hunan, China Since 2009
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En24/817m40 36CrNiMo4 1.6511 Sncm 439/Sncm8 4340 Hot Forged Q+T Alloy Steel Round Bars

En24/817m40 36CrNiMo4 1.6511 Sncm 439/Sncm8 4340 Hot Forged Q+T Alloy Steel Round Bars

US $ 2,500-3,500 / Ton FOB
1 Ton (MOQ)
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HUNAN QILU INDUSTRIAL CO., LTD.

Hunan, China Since 2009
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Factory Price 4340/40CrNiMoA Milled Surface Two Sides Cut Flat Pre-Harden Alloy Structural Steel Flat 4340 Steel

Factory Price 4340/40CrNiMoA Milled Surface Two Sides Cut Flat Pre-Harden Alloy Structural Steel Flat 4340 Steel

US $ 950-1,000 / Ton FOB
10 Tons (MOQ)
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Dongguan Chimold Technology Co., Ltd

Guangdong, China Since 2021
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St37 Ss490 Q235 42CrMo ASTM A283 SAE 4340 10/15/16/20mm Round/Square/Flat Hot Rolled Carbon Steel Bar

St37 Ss490 Q235 42CrMo ASTM A283 SAE 4340 10/15/16/20mm Round/Square/Flat Hot Rolled Carbon Steel Bar

US $ 850-1,100 / Ton FOB
1 Ton (MOQ)
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Liaocheng Xinruyi Trading Co., LTD.

Shandong, China Since 2021
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1.6511 Bar 4340 Hot Forged Round Bar Sncm439 Alloy Steel

1.6511 Bar 4340 Hot Forged Round Bar Sncm439 Alloy Steel

10 Tons (MOQ)
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Dongguan Chimold Technology Co., Ltd

Guangdong, China Since 2021
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4340 1.6511 Sncm439 Alloy Structural Steel

4340 1.6511 Sncm439 Alloy Structural Steel

10 Tons (MOQ)
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Dongguan Chimold Technology Co., Ltd

Guangdong, China Since 2021
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Special Steel Cold Drawn Bars 4130 4140 4340

Special Steel Cold Drawn Bars 4130 4140 4340

US $ 900-1,300 / Ton FOB
1 Ton (MOQ)
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HUNAN QILU INDUSTRIAL CO., LTD.

Hunan, China Since 2009
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4140 1045 4340 Hot Rolled Normalized Alloy Steel Bars Suppliers China

4140 1045 4340 Hot Rolled Normalized Alloy Steel Bars Suppliers China

US $ 700-1,200 / Ton FOB
1 Ton (MOQ)
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HUNAN QILU INDUSTRIAL CO., LTD.

Hunan, China Since 2009
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4130 1.7220 Best-Selling Alloy Structural Steel High Strength Toughness Hard Forged Two Side Cut Annealing

4130 1.7220 Best-Selling Alloy Structural Steel High Strength Toughness Hard Forged Two Side Cut Annealing

US $ 950-1,000 / Ton FOB
10 Tons (MOQ)
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Audited Supplier
Dongguan Chimold Technology Co., Ltd

Guangdong, China Since 2021
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1.6511 4340 40CrNiMoA Sncm439 Alloy Steel Round Bar

1.6511 4340 40CrNiMoA Sncm439 Alloy Steel Round Bar

US $ 1,050-1,100 / Ton FOB
20 Tons (MOQ)
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Dongguan Chimold Technology Co., Ltd

Guangdong, China Since 2021
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Hot Rolled Cold Drawn DIN S235jr GB Q235 1215 1215ms 12L14 Free Cutting A36 JIS Ss400 AISI 1018 1020 1045 C45 S45c Stainless Carbon Alloy Solid Square Steel Bar

Hot Rolled Cold Drawn DIN S235jr GB Q235 1215 1215ms 12L14 Free Cutting A36 JIS Ss400 AISI 1018 1020 1045 C45 S45c Stainless Carbon Alloy Solid Square Steel Bar

US $ 500-1,000 / Ton FOB
1 Ton (MOQ)
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Jiangsu HYT International Trading Co., Ltd.

Trading Company

Jiangsu, China Since 2020
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SAE ASTM AISI 4145 4330 4140 4340h Hot Rolled Forging Alloy Steel Round Bar

SAE ASTM AISI 4145 4330 4140 4340h Hot Rolled Forging Alloy Steel Round Bar

US $ 700-800 / Ton FOB
1 Ton (MOQ)
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HUNAN QILU INDUSTRIAL CO., LTD.

Hunan, China Since 2009
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Hot Rolled / Cold Rolled ASTM Q235 1045 4140 4340 8620 Structural Alloy Steel Sheet / Carbon Steel Plate

Hot Rolled / Cold Rolled ASTM Q235 1045 4140 4340 8620 Structural Alloy Steel Sheet / Carbon Steel Plate

US $ 1,100-1,200 / Ton FOB
10 Tons (MOQ)
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Guangdong Tianxiong Contemporary Metal Technology Limited

Manufacturer/Factory & Trading Company

Guangdong, China Since 2020
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4140 4340 4130 Forged Bar

4140 4340 4130 Forged Bar

US $ 3.5-4 / kg FOB
1,000 kg (MOQ)
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SASA ALLOY CO., LIMITED

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2025
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♠ Stainless Steel Round Bar Die Steel Sheet China 4140 En19 Scm440 4340 42CrMo4

♠ Stainless Steel Round Bar Die Steel Sheet China 4140 En19 Scm440 4340 42CrMo4

US $ 600-1,000 / kg FOB
1,000 kg (MOQ)
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Guangdong Tianxiong Contemporary Metal Technology Limited

Manufacturer/Factory & Trading Company

Guangdong, China Since 2020
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Structural Steel Round Bar Q+T 4140 1.7225 42CrMo4 Scm440 4340 1.6582 34CrNiMo6 Alloy Steel

Structural Steel Round Bar Q+T 4140 1.7225 42CrMo4 Scm440 4340 1.6582 34CrNiMo6 Alloy Steel

US $ 1,050-1,100 / Ton FOB
20 Tons (MOQ)
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Audited Supplier
Dongguan Chimold Technology Co., Ltd

Guangdong, China Since 2021
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About Alloy Steel Flat Bar 4340 FAQ

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

    The Alloy Steel Flat Bar 4340 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?

    The Alloy Steel Flat Bar 4340 is a standout piece in our Steel Round Bar collection.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.

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

    The Alloy Steel Flat Bar 4340 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.

4140 4340 S45c High Medium Low Ms in Stock Carbon Steel Bar

4140 4340 S45c High Medium Low Ms in Stock Carbon Steel Bar

US $ 450-480 / Ton FOB
5 Tons (MOQ)
Contact Supplier
Audited Supplier
Shandong Xinghuasheng Steel Group Co., Ltd

Shandong, China Since 2023
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SAE 1045 4140 4340 8620 8640 Alloy Steel Bar

SAE 1045 4140 4340 8620 8640 Alloy Steel Bar

US $ 800-1,200 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
HUNAN QILU INDUSTRIAL CO., LTD.

Hunan, China Since 2009
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Alloy Steel with 42CrMo Free Cutting 42CrMo4 4140 Flat Block Round Bar Plastic Mold Steel Plate Metal Sheet Pipe

Alloy Steel with 42CrMo Free Cutting 42CrMo4 4140 Flat Block Round Bar Plastic Mold Steel Plate Metal Sheet Pipe

US $ 700-850 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
Zhonghe Steel (Tianjin) Co., Ltd.

Trading Company

Tianjin, China Since 2024
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20cr 40cr 35CrMo 42CrMo 4140 4130 4340 5140 Alloy Carbon Steel Bar

20cr 40cr 35CrMo 42CrMo 4140 4130 4340 5140 Alloy Carbon Steel Bar

US $ 407-472 / Ton FOB
5 Tons (MOQ)
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Audited Supplier
Shandong Hongyan Metal Material Co., Ltd.

Trading Company

Shandong, China Since 2021
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1.6511/4340/40CrNiMoA/Sncm439 Hot-Rolled Alloy Steel

1.6511/4340/40CrNiMoA/Sncm439 Hot-Rolled Alloy Steel

US $ 1,050-1,100 / Ton FOB
20 Tons (MOQ)
Contact Supplier
Audited Supplier
Dongguan Chimold Technology Co., Ltd

Guangdong, China Since 2021
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Raw Material in Carbon Alloy Stainless Steel Flat/Square Bar

Raw Material in Carbon Alloy Stainless Steel Flat/Square Bar

US $ 500-650 / Ton FOB
3 Tons (MOQ)
Contact Supplier
Audited Supplier
CHANGSHA YUXIN STEEL CO., LTD.

Hunan, China Since 2021
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AISI 3115 4140 4330 4337 4340 5140 8620 Forged Rolled Steel Rod Bar

AISI 3115 4140 4330 4337 4340 5140 8620 Forged Rolled Steel Rod Bar

US $ 1,000-1,100 / Piece FOB
1 Piece (MOQ)
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HUNAN QILU INDUSTRIAL CO., LTD.

Hunan, China Since 2009
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Quenched / Tempered Steel Flat /Square/Round Bar in 4130 4140 4340

Quenched / Tempered Steel Flat /Square/Round Bar in 4130 4140 4340

US $ 750-900 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
Liaocheng Xinruyi Trading Co., LTD.

Shandong, China Since 2021
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High Quality Special Forged Steel Round /Hollow/Square /Flat Bar

High Quality Special Forged Steel Round /Hollow/Square /Flat Bar

US $ 500-15,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
CHANGSHA YUXIN STEEL CO., LTD.

Hunan, China Since 2021
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Hot Rolled Cold Drawn DIN S235jr GB Q235 1215 1215ms 12L14 Free Cutting A36 JIS Ss400 AISI 1018 1020 1045 C45 S45c Stainless Carbon Alloy Solid Square Steel Rod

Hot Rolled Cold Drawn DIN S235jr GB Q235 1215 1215ms 12L14 Free Cutting A36 JIS Ss400 AISI 1018 1020 1045 C45 S45c Stainless Carbon Alloy Solid Square Steel Rod

US $ 500-1,000 / Ton FOB
1 Ton (MOQ)
Contact Supplier
Audited Supplier
Jiangsu HYT International Trading Co., Ltd.

Trading Company

Jiangsu, China Since 2020
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Q235 42CrMo S235j2 S235j0 ASTM 1045 A36 A276 SAE 8620 8640 5210 5140 1010 4140 4340 12/16/20/25mm Cold Rolled Round/Flat/Square Carbon Steel Round Bar

Q235 42CrMo S235j2 S235j0 ASTM 1045 A36 A276 SAE 8620 8640 5210 5140 1010 4140 4340 12/16/20/25mm Cold Rolled Round/Flat/Square Carbon Steel Round Bar

US $ 600-1,000 / Ton FOB
1 Ton (MOQ)
Contact Supplier
Audited Supplier
CHANGSHA YUXIN STEEL CO., LTD.

Hunan, China Since 2021
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Round Bar 4340 Sncm439 Forged 1.6511 Alloy Steel

Round Bar 4340 Sncm439 Forged 1.6511 Alloy Steel

10 Tons (MOQ)
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Audited Supplier
Dongguan Chimold Technology Co., Ltd

Guangdong, China Since 2021
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AISI 4340 DIN 1.6511 GB 40CrNiMoA Forged Rolled Alloy Steel Hb≤ 229 High Quality

AISI 4340 DIN 1.6511 GB 40CrNiMoA Forged Rolled Alloy Steel Hb≤ 229 High Quality

US $ 950-1,000 / Ton FOB
10 Tons (MOQ)
Contact Supplier
Audited Supplier
Dongguan Chimold Technology Co., Ltd

Guangdong, China Since 2021
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