| 牌号 | 20CDV5.07 |
|---|---|
| 对应标准 | NF A 35-558-1983
钢铁高温下高性能外螺纹紧固件用热处理钢 Iron and steel — Heat treatable steels for high-performance external thread fasteners at high temperatures |
| 归类 | 合金钢 |
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