材料. 304: 0cr18ni9,0cr17ni8. 201: 1cr17mn6ni5,1cr13mn9ni1n. 316: 0cr17ni12 或者按照客户要求 ; 尺寸(方管). 10x10,12x12,18x18,23x23,38x38,50x50,70x70,100x100,.
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