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标准：ASTM A335/ASME SA335 钢号：P5, P9, P11, P12, P22, P91; 尺寸：外径 (90-1200mm) x 壁厚 (25-150mm) 用途：用于汽车和轴承工业，机械和构造领域，锅炉、电站及核电站，过热器和换热器，高压油管和石化用管等。 |
化学成分
|
钢号 |
化学成分（％） |
|||||||||||||
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Cu |
Ni |
V |
Al |
W |
Nb |
N |
|
|
SA335 P11 |
0.05～0.15 |
0.50～1.0 |
0.30～0.60 |
≤0.030 |
≤0.030 |
1.00～1.50 |
0.50～1.00 |
|
|
|
|
|
|
|
|
SA335 P12 |
0.05～0.15 |
≤0.50 |
0.30～0.61 |
≤0.030 |
≤0.030 |
0.80～1.25 |
0.44～0.65 |
|
|
|
|
|
|
|
|
SA335 P22 |
0.05～0.15 |
≤0.50 |
0.30～0.60 |
≤0.030 |
≤0.030 |
1.90～2.60 |
0.87～1.13 |
|
|
|
|
|
|
|
|
SA335 P5 |
≤0.15 |
≤0.50 |
0.30～0.60 |
≤0.030 |
≤0.030 |
4.00/6.00 |
0.45/0.65 |
|
|
|
|
|
|
|
|
SA335 P91 |
0.08～0.12 |
0.20～0.50 |
0.30～0.60 |
≤0.020 |
≤0.010 |
8.00～9.50 |
0.85～1.05 |
|
≤0.40 |
0.18～0.25 |
≤0.015 |
|
0.06～0.10 |
0.03～0.07 |
|
SA335 P92 |
0.07～0.13 |
≤0.50 |
0.30～0.60 |
≤0.020 |
≤0.010 |
8.50～9.50 |
0.30～0.60 |
B0.001 0.006 |
≤0.40 |
0.15～0.25 |
≤0.015 |
1.50～2.00 |
0.04～0.09 |
0.03～0.07 |
机械性能
|
钢号 |
抗拉强度（MPa） |
屈服强度（MPa） |
延伸率（%） |
冲击功（J） |
硬度 |
|
SA335 P11 |
≥415 |
≥205 |
≥22 |
≥35 |
≤163HB |
|
SA335 P12 |
≥415 |
≥220 |
≥22 |
≥35 |
≤163HB |
|
SA335 P22 |
≥415 |
≥205 |
≥22 |
≥35 |
≤163HB |
|
SA335 P5 |
≥415 |
≥205 |
≥22 |
≥35 |
≤187HB |
|
SA335 P91 |
585～760 |
≥415 |
≥20 |
≥35 |
≤250HB |
|
SA335 P92 |
≥620 |
≥440 |
≥20 |
≥35 |
250HB |