1,type:seamless and weld 2,material:201,304,304L,316,321 3,standad:JIS, AISI, ASTM, GB ... ),00Cr17Ni14MO2(316L),00Cr17Ni12MO2(316),0Cr19Ni13MO3(317) ,00Cr19Ni13MO3(317L) ,1Cr17Mn6Ni5N(201) ,1Cr18Mn8Ni5N(202) ,1Cr17Mn6Ni5N(201) ,1Cr17Ni7(301),1Cr18Ni9(302),Y1Cr18Ni9(303),0418Ni10Ti(321),1Cr18Ni9Ti ...