详细内容
GB/T 28410 (2012) 风力发电塔用结构钢板
Q275FTD加入到对比
中国 / GB
次级类别
GB/T 28410 (2012) 风力发电塔用结构钢板
注释 化学成分
CEV = C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15
化学成分
条件 | 最小 | |NM400| | 近似 | 注释 |
C | - | 0.1800 | - | - |
Mn | 0.5000 | 1.5000 | - | - |
P | - | 0.0250 | - | - |
S | - | 0.0150 | - | - |
Si | - | 0.5000 | - | - |
Ni | - | 0.3000 | - | - |
Cr | - | 0.3000 | - | - |
Mo | - | 0.1000 | - | - |
Cu | - | 0.3000 | - | - |
V | - | 0.0600 | - | - |
Ti | - | 0.0500 | - | - |
Al | 0.0150 | - | - | Soluble aluminium |
N | - | 0.0120 | - | - |
Nb | - | 0.0500 | - | - |
CEV | - | 0.3800 | - | For t<= 40 mm; CEV <= 0.4% for t > 40 mm |
机械性能
最小 | |NM400| | 近似 | |
Plates; 16 <= t < 40 mm | |||
265 | - | - | |
410 | 560 | - | |
21 | - | - | |
Lo = 5.65√So | |||
断面收缩率 (%) | - | - | - |
冲击功, Kv/Ku (J) | 47 | - | - |
Charpy V Notch (-20°C) | |||
Plates; 40 <= t < 100 mm | |||
255 | - | - | |
410 | 560 | - | |
21 | - | - | |
Lo = 5.65√So | |||
断面收缩率 (%) | - | - | - |
冲击功, Kv/Ku (J) | 47 | - | - |
Charpy V Notch (-20°C) | |||
Plates; t <= 16 mm | |||
275 | - | - | |
410 | 560 | - | |
21 | - | - | |
Lo = 5.65√So | |||
断面收缩率 (%) | - | - | - |
冲击功, Kv/Ku (J) | 47 | - | - |
Charpy V Notch (-20°C) |