... - 48'' Standard: API 5L, ASTM A106/A53, JIS G3456/3461 , DIN1626/1629/17175 Certificate:ISO 9001, SGS, BV, etc. JIS G3454 Seamless Steel Pipe For Oil ... 1.Specification Type Seamless PipePipe Size1/2"—48" (DN15-1200)Wall ... G3454,JIS G3455,JIS G3456,JIS G3457,JIS G3461MaterialA53B, A106B, API 5L B,X42,X46,X52,X60, X65, X70,X80,Q235ST37.0,ST35 ...