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40Cr Alloy steel sheet
SHUNBEI
10 TON
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| 40Cr steel is a kind of Chinese GB standard alloy steel for engineering and machinery purpose | |||||||||
Product Description
40Cr Alloy application parameters:
| Product Name | Plate 5140 Good Cutting Performance Alloy Steel Good Hardness 40cr Hot Rolled Steel Plate |
| Length | Coils are in rolls packing, bigger rolls, smaller rolls acceptable; As required. |
| Width | 1250 or 1530mm |
| 1219 or 1500mm (Slit Edges) | |
| Narrow width is Strips, if you need, pls just contact us for more. | |
| Thickness | 0.2mm-5mm (CR); 2.7-100mm (HR) or as required |
| Standard | AISI,ASTM,DIN,JIS,GB,EN,etc. ; |
| Technique | Hot rolled (HR) or Cold rolled (CR) |
| Thickness Tolerance | -0.05-0.07mm or 0.75-0.1mm or -1% |
| Main Grades | 10# 20# 35# 45# 50# 60# Q345B Q345C Q345D Q345E,Q235B Q235R Q355B ST12 ST37 ST52 etc. |
40Cr Alloy Steel Chemical Composition:
Element | Composition (%) |
C | 0.37~0.44 |
Si | 0.17~0.37 |
Mn | 0.50~0.80 |
S | ≤0.035 |
P | ≤0.035 |
Cr | 0.80~1.10 |
Ni | ≤0.030 |
Cu | ≤0.025 |
Mo | ≤0.10 |
Product Description
40Cr steel is Chinese GB standard alloy steel for engineering and machinery purpose, and one of the most widely used steel grades. It has good comprehensive mechanical properties. It is suitable for surface hardening treatment such as high frequency quenching and flame quenching.
Application
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.
