86-731-89903933
Room 1003, Building 22, Zhongcheng Lijinxiangshan District, No. 239, Part II, Wanjiali Middle Road, Yuhua Area, Changsha, Hunan, China (Mainland)
| Size Range | |||
| Round Bar | Diameter(mm) | Length(mm) | -- |
| 6~300 | 5000~10000 | -- | |
| Flat Bar | Thickness(mm) | Width(mm) | Length(mm) |
| 1~300 | 30~1500 | 500~10000 | |
| Chemical Composition(%) | |||||||
| C | Si | Mn | P | S | Cr | W | V |
| 0.73~0.83 | 0.45max. | 0.40max. | 0.030max. | 0.030max. | 3.80~4.50 | 17.20~18.70 | 1.00~1.20 |
| Heat treatment & hardness of steel | |
| Annealed hardness(HBW)& Annealed temperature(℃) | 269 max,820 to 880 slow cooling |
| Quenched and tempered hardness(HRC) & Heat treatment temperature(℃) | 63 min,Quenching: 1260 oil cooling,Tempering:560 air cooling |
>>>Standard
|  |
 | >>>Steel Grades
|
| |
