Special Steel

Overview
Promisteel Co Ltd in Tianjin lists Special Steel under Long Coils or Special Length Steel. The listing gives high speed steel (hss) From the industry-standard M2, cr-mo series 4140 / 42CrMo and cr-ni-mo series 4340 / 34CrNiMo6.
Technical specifications
| High Speed Steel (HSS) | From the industry-standard M2 |
|---|---|
| Cr-Mo Series | 4140 / 42CrMo |
| Cr-Ni-Mo Series | 4340 / 34CrNiMo6 |
| Mn-B Series | Cost-effective Boron Steel (10B21/15B35) |
| Gas Cylinder | 34CrMo4 / 4130X |
| Beyond Raw Material | Processing Services |