| Chemical Composition(%) | |||||
| ASTM | Fe | Sn | P | Ni | Cu |
| C19220 | 0.1-0.3 | 0.05-0.1 | 0.03-0.07 | 0.1-0.25 | Balance |
| Grade | Temper | Tensile Strength Rm/N(mm) | Elongation A11.3% | Hardness HV | |
| GB | ASTM | ||||
| XYK-3 | C19220 | O | 275-345 | ≥30 | ≤90 |
| H01 | 320-395 | ≥15 | 85-125 | ||
| H02 | 370-440 | ≥8 | 110-150 | ||
| H04 | 410-490 | ≥4 | 120-150 | ||
| H06 | 450-520 | - | 130-160 | ||
| H08 | 550-570 | - | 150-180 | ||
