不锈钢管材质: 2011Cr17Mn6Ni5N 2021Cr18Mn8Ni5N 3011Cr17Ni7 3021Cr18Ni 3040Cr18Ni9、SS304、TP304 304L00Cr19Ni10、SS304L、TP304L 3211Cr18Ni9Ti、SS321、TP321 3160Cr17Ni12Mo2、SS316、TP316 316L0Cr17Ni14Mo2、SS316L、TP31