JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
| Payment Terms | L/C, T/T |
| Supply Ability | 50000Tons |
| Delivery Time | 14 days after Received the Deposit |
| Packaging Details | Export Packing |
| Application | construction,Boiler Plate |
| Technique | Hot Rolled |
| Surface treatment | Black |
| Standard | ASTM |
| Length | 1000-12000mm |
| Type | Steel Plate |
| Width | 1000mm-2000mm |
| Special use | High-strength Steel Plate,Alloy structual steel |
| Grade | 40Cr Scr440 |
| Thickness | 1.2mm-400mm |
| Material | Alloy Steel Plate |
| Shape | steel plate/steel sheet/ steel flat bar |
| Price term | CIF,CFR |
| Brand Name | Bao Steel |
| Model Number | 40Cr Scr440 |
| Certification | ISO MTC SGS |
| Place of Origin | China Jiangsu |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 50000Tons |
| Delivery Time | 14 days after Received the Deposit | Packaging Details | Export Packing |
| Application | construction,Boiler Plate | Technique | Hot Rolled |
| Surface treatment | Black | Standard | ASTM |
| Length | 1000-12000mm | Type | Steel Plate |
| Width | 1000mm-2000mm | Special use | High-strength Steel Plate,Alloy structual steel |
| Grade | 40Cr Scr440 | Thickness | 1.2mm-400mm |
| Material | Alloy Steel Plate | Shape | steel plate/steel sheet/ steel flat bar |
| Price term | CIF,CFR | Brand Name | Bao Steel |
| Model Number | 40Cr Scr440 | Certification | ISO MTC SGS |
| Place of Origin | China Jiangsu | ||
| High Light | high strength steel plate ，hot rolled steel plate | ||
40Cr steel is a kind of Chinese GB standard alloy steel for engineering and machinery purpose, and one
of the most widely used steel grades. For 40Cr material hardness, specifications and equivalent,
please see the table below.
After quenching and tempering treatment, 40Cr steel has good comprehensive mechanical properties,
low temperature impact toughness, low notch sensitivity, good hardenability, and high fatigue strength
in cold oil. When water cooling, the complicated shape of the parts is prone to cracks, the cold bending
plasticity is medium, and the cutting workability after normalizing is good, but the weldability is poor,
should be preheated before welding, and is generally used in the state of quenching and tempering.
| Chemical Composition (%) | ||||
| Grade | C % | Si | Mn | Cr |
| 40Cr | 0.37 – 0.44 | 0.17 – 0.37 | 0.5 – 0.8 | 0.80 – 1.10 |
40Cr steel equivalent to US ASTM AISI, European Germany DIN EN, British BS EN, France NF EN, Japanese JIS and ISO standard.
| Equivalent (For reference) | |||||||||||||
| China | USA | Germany | Japan | France | UK | ISO | |||||||
| Standard | Grade | Standard | Grade | Standard | Grade (Steel number) | Standard | Grade | Standard | Grade | Standard | Grade | Standard | Grade |
| GB/T 3077 | 40Cr | AISI or ASTM A29/A29M | 5140 | DIN EN 10083-3 | 41Cr4 (1.7035) | JIS G4104 | SCr440 | NF EN 10083-3 | 41Cr4 (1.7035) | BS EN 10083-3 | 41Cr4 (1.7035) | ISO 683-1 | 41Cr4 |
After 40Cr alloy steel quenching and tempering treatment, it is used to manufacture medium-speed, medium-load parts such as machine gears, shafts, worms, spline shafts, thimble sleeves, etc.
After quenching and tempering and high-frequency surface quenching, it is used to manufacture high-hardness, wear-resistant parts such as gears, shafts, spindles, crankshafts, sleeves, pins, connecting rods, screws, nuts, intake valves, etc.
After quenching and medium temperature tempering, it is used to manufacture heavy-duty, medium-speed impact parts such as oil pump rotors, sliders, gears, spindles, collars, etc.
After quenching and low temperature tempering, it is used to manufacture heavy-duty, low-impact, wear-resistant parts such as worms, spindles, shafts and collars.
After carbonitriding treatment, it is used to manufacture transmission parts with large size and high low temperature impact toughness, such as shafts and gears.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Exporter,Seller
Year Established:
1998
Total Annual:
80Millen-100 Millen
Employee Number:
200~500
Ecer Certification：
Verified Supplier
Jiangsu Mittel Steel Industrial Limited is located in Wuxi City, a beautiful city near Shanghai. Wuxi is close to Shanghai (BAO STEEL) ,Zhangjiagang (ZPSS),Ningbo (BAO XIN),KUN SHAN (DKSS), enjoy excellent geographic location and convenient water, land and air transporta... Jiangsu Mittel Steel Industrial Limited is located in Wuxi City, a beautiful city near Shanghai. Wuxi is close to Shanghai (BAO STEEL) ,Zhangjiagang (ZPSS),Ningbo (BAO XIN),KUN SHAN (DKSS), enjoy excellent geographic location and convenient water, land and air transporta...
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