... , KR 3. Market:worldwide 65mm Wall Thickness carbon seamless steel pipe Key wordsSteel PipeNameCarbon Seamless Steel PipeSize273-426mmThickness10-80mmLengthlength: 5-12mStandardASME B36. 10M-1996,API ... G3452,JIS G3454,JIS G3455,JIS G3457,DIN 2448,DIN1626,DIN17175, DIN1629Material10#,20#,Q235,Q345ST37.0,ST35.8,St37.2,St35 ...