DONGGUAN MISUNG MOULD STEEL CO.,LTD
DongGuan Mi Sung Mould Steel Co.,ltd
Add to Cart
5140/40cr/Scr440/Hot Rolled 5140 Alloy Steel Machined Bars/Structure Alloy Steel Round Bar
AISI 5140 steel 1.7035 structural alloy steel
1. MAIN APPLICATION
After hardening & tempering, applied to use in the manufacture withsatand loads and moderate speeds mechanical parts, such as automotive steering knuchles, and rear axle gears, shafts, worm, spline shaft, sets and other tools on top.
2. DELIVERY CONDICION
Hot rolled or forged, black surface
Hardness : annealed < 207HB
Widrh : 1500-2300mm Thickness: 20-200mm
Rounds: dia 20-350mm
3 . CHARACTERISTICS
40 Cr(5140) steel is belong to Medium carbon steel with hardening and tempering, cold heading steel. Easy processing, after proper heat treatment can pntain a certain toughness, plasticity and abrasion resistance
4. DELIVERY
Mill deliver condition, without sawing or cutting.
5. CHEMICAL ANALYSIS
|
China grades |
Foreign grades | C | Si | Mn | P ≤ | S ≤ | Cr | Ni | |||||
| 40Cr | ----- | 0.37-0.45 | 0.20-0.40 | 0.50-0.80 | 0.030 | 0.030 | 0.80-1.10 | ----- | |||||
| ------ | 5140 | 0.38-0.43 | 0.17-0.37 | 0.70-0.90 | 0.035 | 0.040 | 0.0-0.90 | ≤ 0.030 | |||||
| ----------- | 1.7035 | 0.38-0.45 | ≤ 0.40 | 0.60-0.90 | 0.030 | 0.030 | 0.90-1.20 | ---- | |||||
6. COMPARED GRADES(BASED ON USAGE)
| Chinese |
Japanese |
German |
Anerican |
Swedish |
| GB | JIS | DIN | ASTM | SS |
| 42Cr | SCR440 | 1.7035/41Cr4 | 5140 | 2245 |
7. HEAT TREATMENT(FOR REFERENCE)
| (Quemching) | Tempering | ||||
|
Heating temperature/℃ |
Cooling |
Hardness/HRC |
Heating temperature/℃ | Cooling |
Hardness/HRC |
| 830-860 | Oil | ≥ 50 | 150-200 | Air | ≥ 48 |
