)
| China | Equivalent | Property | ||||||
| USA | Japan | Germany |
Tension(kgf/m
|
Yield Point (kgf/m)
|
Extension(%) | Shrinkage(%) |
Impact((kf-C/
|
|
| DZ50 | 70 | 50 | 12 | 40 | 4 | |||
| DZ75 | 85 | 75 | 10 | 40 | 4 | |||
| DZ95 | 105 | 95 | 10 | 40 | 4 | |||
| Seamless Tube | ||||||
| Series | Carbon Structural | Carbon Structural | Alloy Tool Steel | Alloy Tool Steel | Bearing Steel | |
| Sizes |
 32-108 X 4-25(76 Group Dis) |
73-203 X 10-50 (170 Group Dis) |
32-108 X 4-25 (76 Group Dis) |
73-203 X 10-50 (170 Group Dis) |
32-108 X 4-25 (76 Group Dis) |
|