低碳铁素体不锈钢高频直缝电阻焊管退火工艺优化
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Annealing Process Optimization of High Frequency Longitudinal Resistance Welded Low-CarbonFerritic Stainless Steel Pipe
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图2. 焊接接头宏观组织的OM像 |
Fig.2. OM image of welded joint (HAZ—heat affected zone) |
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