耐候钢牌号 | 耐候钢厚度规格(mm) | 拉伸试验 | 180°弯曲试验 | ||
下屈服强度ReL(N/mm2) | 抗拉强度Rm(N/mm2) | 伸长率A% | b≥20mm | ||
Q400NQR1 | ≤9 | ≥400 | ≥500 | ≥24 | d=a |
>6~14 | ≥400 | ≥500 | ≥22 | d=2a | |
>14~20 | ≥400 | ≥500 | ≥20 | d=3a | |
Q450QR1 | ≤6 | ≥450 | ≥550 | ≥22 | d=a |
>6~14 | ≥450 | ≥550 | ≥20 | d=2a | |
>14~18 | ≥450 | ≥550 | ≥19 | d=3a | |
Q500NQR1 | ≤6 | ≥500 | ≥600 | ≥18 | d=a |
>6~14 | ≥500 | ≥600 | ≥18 | d=2a | |
Q550NQR1 | ≤6 | ≥550 | ≥600 | ≥18 | d=a |
09CuPCrNi-A | Q450NQR1 | SPA-H | B480GNQR | Q345NQR2 | Q355GNHD |
Q355NH | 09CuP | 05CuPCrNi | SPA-C | Q310NQR2 | Q310GNH |
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