| Machinery Steel 机械用途钢 |
|
| SNCM 4 High Tensile Steel |
|
| Chemical Composition (analysis %) |
| C |
Si |
Mn |
Cr |
Mo |
| 0.4 |
0.2 |
0.8 |
1.0 |
0.25 |
|
|
| Nearest Equivalent |
| AISI |
JIS |
WN(werkstoff number) |
| 4140 |
SNCM4 |
1.7225 |
|
| Delivery condition - either 28-32 HRc or 18-22 HRc |
|
| Application |
| Gear, shaft, sprocket, machine part etc |
|
| Heat Treatment |
| Suitable for Nitriding and Carbonitriding |
|
| SNCM 8 Nickel Chrome High Tensile Steel |
|
| Chemical Composition (analysis %) |
| C |
Si |
Mn |
Cr |
Mo |
Ni |
| 0.4 |
0.2 |
0.8 |
0.8 |
0.25 |
1.85 |
|
|
| Nearest Equivalent |
| AISI |
JIS |
WN(werkstoff number) |
| 4340 |
SNCMB |
1.6565 |
|
| Delivery condition - annealed 18-22HRc |
|
| Application |
| Heavy duty axiles, shaft, gear, spindle, collet, sprocket etc |
|
| Heat Treatment |
| Suitable for Nitriding and Carbonitriding |
|
| SCM 415 Ni-Cr Case Harden Steel |
|
| Chemical Composition (analysis %) |
| C |
Si |
Mn |
Cr |
Ni |
| 0.16 |
0.25 |
0.5 |
1.55 |
1.55 |
|
|
| Nearest Equivalent |
| AISI |
JIS |
WN(werkstoff number) |
| 3115 |
SCM415 |
1.5919 |
|
|
| Application |
| Structural part required good wear on surface with very tough care (shaft, gear, machine part, rod) |
|
| Heat Treatment |
| Suitable for Nitriding and Carbonitriding |
|