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GB/T 14975-2002 1Cr18Ni9Ti厚壁不锈钢无缝管0Cr18Ni12Mo2Ti 32
0Cr18Ni12Mo2Ti2205310S316T不锈钢板激光切割耐高温不锈钢板
SUS316圆钢ASTM321H园钢棒料钢棒圆棒0Cr18Ni12Mo2Cu2材料T0材质