Detailed Product Description Precision Steel Pipes and Tubes,Seamless steel pipe and tube,Alloy tube. It's cold-drawn tube,used to heat exchange,etc-SAME SA-53,ASME SA-106,ASME SA-179,ASME SA-192,ASME SA-210M,ASME SA-213,ASME SA-335,DIN17175,DIN1629,DIN2391,BS3059,EN10216-1,EN10216-2,EN10305,JISG3461,JISG3454,JISG3445,JISG3462,STKM11A.-Wall thickness: 0.8-14mmTYPEGBJISASTMGrade No.Grade No. ...