| 所有规格 |
退火 |
≥ 515 ① |
≥205 |
in 2 in.[50 mm] or 4D
≥ 30 |
≥ 40 ③ |
| 所有规格 |
应变硬化1级 |
≥585 |
≥ 450 ② |
in 2 in.[50 mm] or 4D
≥ 30 |
≥ 60 ③ |
| d ≤ 50.8mm |
应变硬化2级 |
≥655 |
≥515 |
in 2 in.[50 mm] or 4D
≥ 25 |
≥ 40 ③ |
| 50.8mm＜d ≤ 63.5mm |
应变硬化2级 |
≥620 |
≥450 |
in 2 in.[50 mm] or 4D
≥ 30 |
≥ 40 ③ |
| 63.5mm＜d ≤ 76.2mm |
应变硬化2级 |
≥550 |
≥380 |
in 2 in.[50 mm] or 4D
≥ 30 |
≥ 40 ③ |
