... ASTM,API,JIS,DIN,GB SCH40/SCH80 stainless steel pipe TypeSCH40/SCH80 STAINLESS STEEL PIPESizeWT:1-40mmOD:21.3-1200mmLength:5- ... ,construction ,etcMaterial 20# Q195 Q215A,B Q235A,B Q345A,B,C,D,EStandardGB/T 1862-1999,GB/T13793-1992,GB3091-2001 ... customer's requirement CertificationISO9001:2000OthersOur company supply various types of steel piep.All the production process is made under the ISO9001 ...