Home Metallurgy, Mineral & Energy Alloy Steel Low Alloy Steel Aisi 4140 Alloy Steel 2025 Product List

Aisi 4140 Alloy Steel

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US$ 500-4000 / Ton
1 Ton (MOQ)
Ningbo Ningshing Precision Machinery Group Co., Ltd.
Ningbo Ningshing Precision Machinery Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015
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Support
Carbon Steel Bar
AISI, ASTM, GB, JIS, DIN, BS
Hot Rolled
Structural Steel Bar, Tool Steel Bar, Die Steel Bar
Black, Machined

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US$ 800-900 / Ton
1 Ton (MOQ)
HUNAN QILU INDUSTRIAL CO., LTD.
HUNAN QILU INDUSTRIAL CO., LTD.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Hunan, China
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Special Steel Bar
AISI, ASTM, DIN, JIS, GB, BS
Alloy Steel
Forged
Round/Flat/Block/Square/Bar/Plate
Black Surface/Turned/Rough Machined/Peeled

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US$ 700-800 / Ton
5 Tons (MOQ)
HUNAN QILU INDUSTRIAL CO., LTD.
HUNAN QILU INDUSTRIAL CO., LTD.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Hunan, China
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24 Hours on Line
Three Years
Alloy Steel Bar
AISI, ASTM, GB, JIS, DIN, BS
Forged
Structural Steel Bar, Tool Steel Bar

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US$ 600-700 / Ton
1 Ton (MOQ)
Henan Steel Guang International Trade Co., Ltd.
Henan Steel Guang International Trade Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Henan, China
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One-Stop Service
Mtc, One Year
Steel Plate
AISI, GB
Black/Polished/Machined
Hot Rolled

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US$ 700-850 / Ton
1 Ton (MOQ)
Zhonghe Steel (Tianjin) Co., Ltd.
Zhonghe Steel (Tianjin) Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Tianjin, China
  • Trading Company

  • ISO9001:2015
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Alloy Steel Bar
AISI, ASTM, DIN, JIS, GB, BS
42crmos4 1.7227
Forged/Hot Rolled/Cold Drawn
Round/Flat/Block/Square/Bar/Plate
Polished

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US$ 800-1500 / Ton
1 Ton (MOQ)
Hunan Shunfu Metal Material Co., Ltd.
Hunan Shunfu Metal Material Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Hunan, China
  • Trading Company

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Forged
AISI, JIS, ASTM, DIN, BS, GB
AISI
Quenched Tempered Qt
Ground, Turning, Polished
Hot Forged

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US$ 100 / Piece
10 Pieces (MOQ)
Jiangsu Kaiye Heavy Industry Co., Ltd.
Jiangsu Kaiye Heavy Industry Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Jiangsu, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
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Metal
Forging
Pressure Casting
Hardware
Steel
Tempering

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US$ 800-1500 / Ton
1 Ton (MOQ)
Ningbo Ningshing Precision Machinery Group Co., Ltd.
Ningbo Ningshing Precision Machinery Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015
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AISI, ASTM, DIN, JIS, GB, BS
Check Detailed Description
Forged
Bar
Black, Machined
High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel

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US$ 800-1000 / Ton
1 Ton (MOQ)
Zhonghe Steel (Tianjin) Co., Ltd.
Zhonghe Steel (Tianjin) Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Tianjin, China
  • Trading Company

  • ISO9001:2015
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Alloy Steel, Pressure Vessel Steel
AISI, ASTM, DIN, JIS, GB, BS
Stainless/Carbon/Alloy Steel Ni/Ti Alloy
Forged/Hot Rolled/Cold Drawn
Round, Square, Rectangular, Hexagonal, Octagonal
Polished

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US$ 800-900 / Ton
1 Ton (MOQ)
Henan Steel Guang International Trade Co., Ltd.
Henan Steel Guang International Trade Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Henan, China
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One-Stop Service
One Year
Alloy Steel Bar
AISI
Hot Rolled
Structural Steel Bar, Buildings

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US$ 800-1500 / Ton
1 Ton (MOQ)
Hunan Shunfu Metal Material Co., Ltd.
Hunan Shunfu Metal Material Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Hunan, China
  • Trading Company

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Round
AISI, ASTM, DIN, JIS, GB, BS
Ferrous Steel Scrap
Forged
Bar
Polished

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US$ 100 / Piece
10 Pieces (MOQ)
Jiangsu Kaiye Heavy Industry Co., Ltd.
Jiangsu Kaiye Heavy Industry Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Jiangsu, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
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Metal
Forging
Pressure Casting
Hardware
Steel
Tempering

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US$ 800-1500 / Ton
1 Ton (MOQ)
Ningbo Ningshing Precision Machinery Group Co., Ltd.
Ningbo Ningshing Precision Machinery Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015
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Customization
High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Free Cutting Steel, Mold Steel
Customization
Shanghai, China
10000 Tons/Year
Ningbo Ningshing

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1 Ton (MOQ)
Ningbo Ningshing Precision Machinery Group Co., Ltd.
Ningbo Ningshing Precision Machinery Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015
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AISI, ASTM, DIN, JIS, GB, BS
Check Detailed Description
Forged
Bar
Black, Machined
High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel

Favorites

US$ 800-1500 / Ton
1 Ton (MOQ)
Ningbo Ningshing Precision Machinery Group Co., Ltd.
Ningbo Ningshing Precision Machinery Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015
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AISI, ASTM, DIN, JIS, GB, BS
Check Detailed Description
Forged
Bar
Black, Machined
High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel

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US$ 600-1000 / Ton
10 Tons (MOQ)
Laiwu Xincheng Metal Co., Ltd.
Laiwu Xincheng Metal Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Shandong, China
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Alloy Steel Bar
AISI, ASTM, GB, JIS, DIN, BS
Hot Rolled
Structural Steel Bar, Tool Steel Bar, Die Steel Bar
Black
Alloy

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US$ 600-1500 / Ton
1 Ton (MOQ)
CHANGSHA YUXIN STEEL CO., LTD.
CHANGSHA YUXIN STEEL CO., LTD.
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Hunan, China
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One Year
One Year
Carbon Steel Bar
AISI, ASTM, GB, JIS, DIN, BS
Forged
Structural Steel Bar, Tool Steel Bar, Die Steel Bar

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US$ 2700-2900 / Ton
1 Ton (MOQ)
Shandong Zayi Steel Co., Ltd
Shandong Zayi Steel Co., Ltd
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Shandong, China
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DIN, JIS, AISI, ASTM, GB, BS
Forged
Tool Steel Bar
Polished
Alloy
High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel

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US$ 550-1000 / Ton
1 Ton (MOQ)
HUNAN QILU INDUSTRIAL CO., LTD.
HUNAN QILU INDUSTRIAL CO., LTD.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Hunan, China
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Yes
3 Years
Alloy Steel Bar
AISI, ASTM, GB, JIS, DIN, BS
Forged
Structural Steel Bar, Tool Steel Bar, Die Steel Bar

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US$ 530-550 / Ton
10 Tons (MOQ)
Shandong Xindarong Steel Pipe Manufacturing Co., Ltd.
Shandong Xindarong Steel Pipe Manufacturing Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Shandong, China
  • Manufacturer/Factory

  • Others
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Carbon Steel Bar
AISI, ASTM, GB, JIS, DIN, BS
Forged
Structural Steel Bar, Tool Steel Bar, Die Steel Bar
Color Coated
Alloy

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US$ 600-1000 / Yard
10 Yards (MOQ)
Laiwu Xincheng Metal Co., Ltd.
Laiwu Xincheng Metal Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Shandong, China
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Carbon Steel Bar
AISI, ASTM, GB, JIS, DIN, BS
Forged
Structural Steel Bar, Tool Steel Bar, Die Steel Bar
Alloy
Mold Steel, Free Cutting Steel, Cold Heading Steel

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US$ 700-800 / Ton
5 Tons (MOQ)
HUNAN QILU INDUSTRIAL CO., LTD.
HUNAN QILU INDUSTRIAL CO., LTD.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Hunan, China
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24 Hours on Line
Alloy Steel Bar
AISI, ASTM, GB, JIS, DIN, BS
Forged
Structural Steel Bar, Tool Steel Bar
Polished

Favorites

US$ 600-1000 / Ton
10 Tons (MOQ)
Laiwu Xincheng Metal Co., Ltd.
Laiwu Xincheng Metal Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Shandong, China
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Alloy Steel Bar
AISI, ASTM, GB, JIS, DIN, BS
Hot Rolled
Structural Steel Bar, Tool Steel Bar, Die Steel Bar
Black
Alloy

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US$ 600-1000 / Ton
10 Tons (MOQ)
Laiwu Xincheng Metal Co., Ltd.
Laiwu Xincheng Metal Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Shandong, China
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Alloy Steel Bar
AISI, ASTM, GB, JIS, DIN, BS
Hot Rolled
Structural Steel Bar, Tool Steel Bar, Die Steel Bar
Black
Alloy

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US$ 700-1200 / Ton
1 Ton (MOQ)
HUNAN QILU INDUSTRIAL CO., LTD.
HUNAN QILU INDUSTRIAL CO., LTD.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Hunan, China
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Steel Plate
ASTM, AISI, GB, JIS, DIN, BS
ISO, RoHS, IBR
Blackface
Hot Rolled
Mold & Dies, Ship Plate, Boiler Plate, Container Plate, Flange Plate

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US$ 800-1500 / Ton
1 Ton (MOQ)
Ningbo Ningshing Precision Machinery Group Co., Ltd.
Ningbo Ningshing Precision Machinery Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015
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AISI, ASTM, DIN, JIS, GB, BS
Check Detailed Description
Forged
Bar
Black, Machined
High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel

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US$ 500-750 / Ton
10 Tons (MOQ)
Guangdong Tianxiong Contemporary Metal Technology Limited
Guangdong Tianxiong Contemporary Metal Technology Limited
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Guangdong, China
  • Manufacturer/Factory & Trading Company

  • ISO45001:2018, ISO14001
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DIN, JIS, AISI, ASTM, GB, BS
Hot Rolled
Die Steel Bar
Black
Alloy
High-strength Steel Plate, Wear Resistant Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel

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US$ 460-580 / Ton
2 Tons (MOQ)
Shandong Shanshui Special Steel Co., Ltd.
Shandong Shanshui Special Steel Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Shandong, China
  • Trading Company

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Carbon Steel Bar
AISI, ASTM, GB, JIS, DIN, BS
Hot Rolled
Structural Steel Bar, Tool Steel Bar, Die Steel Bar
Alloy
Mold Steel, Free Cutting Steel, Cold Heading Steel

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US$ 950-1000 / Ton
10 Tons (MOQ)
Dongguan Chimold Technology Co., Ltd
Dongguan Chimold Technology Co., Ltd
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Guangdong, China
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Online Technical Support
1 Year
Steel Plate
ASTM, AISI, GB, JIS, DIN, BS
ISO, RoHS
Blackface

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US$ 379-456 / Ton
26 Tons (MOQ)
XINBAOLONG STEEL CO..LIMITED
XINBAOLONG STEEL CO..LIMITED
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Shandong, China
  • Trading Company

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Yes
Three Years
Carbon Steel Bar
AISI, ASTM, GB, JIS, DIN, BS
Hot Rolled
Structural Steel Bar, Tool Steel Bar, Die Steel Bar
1 2 3 4 5 6 7 8 9 Next
Questions & Answers on Aisi 4140 Alloy Steel
Q
How does alloying elements affect the properties of alloy steel?
A
The Aisi 4140 Alloy Steel is a key item within our extensive Alloy Steel selection.The addition of various alloying elements, such as chromium, nickel, or manganese, can significantly enhance hardness, ductility, and strength. By carefully selecting and combining these elements, manufacturers design alloy steels tailored for specific industrial uses, optimizing performance.
Q
What are the common applications of alloy steel in the energy sector?
A
Our Aisi 4140 Alloy Steel offers exceptional quality and style within the Alloy Steel category.In the energy sector, alloy steel is widely used in pipelines, power generation components, and pressure vessels due to its properties that exhibit resistance to corrosion and high temperatures, ensuring longevity and safety in critical applications.
Q
What are the primary benefits of using alloy steel in manufacturing processes?
A
The Aisi 4140 Alloy Steel is a key item within our extensive Alloy Steel selection.Alloy steel offers enhanced strength, toughness, and wear resistance compared to carbon steel. Its ability to withstand extreme conditions makes it ideal for industrial applications in metallurgy and energy sectors, minimizing maintenance and ensuring reliability.
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