gh90镍合金板棒力学性能及化学成分指标
uns s30815(grade 253ma)耐热钢特性
inconel/hastelloy/duplex steel/ph steel/nickel alloygradeduplex
uns s30815(grade 253ma)耐热钢特性
product name stainless steel round bar grade 201, 202 , 304
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