Short Description:
| Grand | Chemical Composition(%)≤ | ||||||||||||||
| GB | ASTM | EN | Cu | Ni＋Co | Fe | Mn | Pb | P | S | C | Mg | Si | Zn | Sn | other |
| B19 | Balance | 18-20 | 0.5 | 0.5 | 0.005 | 0.01 | 0.01 | 0.05 | 0.05 | 0.15 | 0.3 | 1.8 | |||
| Grand | Temper | Thickness | Hardness HV |
Tension test | |
| Tensile Strength Rm/MPa |
Elongation % |
||||
| B19 | O60 | ≤0.2 | - | ≥290 | ≥25 |
| H04 | ≥390 | ≥3 | |||
