成份 | 塑性开始下降温度TAY( ℃) | 不同氮含量下的Al酸溶量极限 | 不同氮含量下的Al酸溶量极限 | 不同氮含量下的Al酸溶量极限 |
40ppm | 70pmm | 100ppm | ||
Nb钢 | 950 | ≤0.0250 | ≤0.0145 | ≤0.0102 |
Nb-V钢 | 930 | ≤0.0260 | ≤0.0150 | ≤0.0105 |
Nb-Ti钢 | 830 | ≤0.100 | ≤0.0570 | ≤0.0400 |
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