Originally posted on 2019年12月16日 @ 上午10:45
性能等级 | 螺纹直径d/ | 抗拉强度σb(min)/ | 屈服强度σ0.2(min)/ | 伸长率δ(min)/ |
mm | MPa | MPa | % | |
CU1 | ≤39 | 240 | 160 | 14 |
CU2 | ≤6 | 440 | 340 | 11 |
>6~39 | 370 | 250 | 19 | |
CU3 | ≤6 | 440 | 340 | 11 |
>6~39 | 370 | 250 | 19 | |
CU4 | ≤12 | 470 | 340 | 22 |
>12~39 | 400 | 200 | 33 | |
CU5 | ≤39 | 590 | 540 | 12 |
CU6 | >6~39 | 440 | 180 | 18 |
CU7 | >12~39 | 640 | 270 | 15 |
AL1 | ≤10 | 270 | 230 | 3 |
>10~20 | 250 | 180 | 4 | |
AL2 | ≤14 | 310 | 205 | 6 |
>14~36 | 280 | 200 | 6 | |
AL3 | ≤6 | 320 | 250 | 7 |
>6~39 | 310 | 260 | 10 | |
AL4 | ≤10 | 420 | 290 | 6 |
>10~39 | 380 | 260 | 10 | |
AL5 | ≤39 | 460 | 380 | 7 |
AL6 | ≤39 | 510 | 440 | 7 |