... , ACME, NPT 5.MaterialCarbon steel(#1035,#1045,40Cr,35CrMo,42CrMo,B7,20Mn2,M20) ,Stainless steel(303,304,304L,316,316L),Brass ... , ACME, NPT 5.MaterialCarbon steel(#1035,#1045,40Cr,35CrMo,42CrMo,B7,20Mn2,M20),Stainless steel(303,304,304L,316,316L),Brass ...