1.Standard: JIS G3467 2.Grade: STF42,12,22,23,24,25,26. ... -267.4 mm. 4.Thickness: 2.0-28.6mm. Standard: JIS G3467Grade: STF 42, STFA12, STFA22, STFA23,STFA24, STFA25, STFA26.OD ... -69298861 TOPENSEA... Supplying the best... with the best Seamless Pipe JIS G3467