API5L GR.B Carbon Seamless Steel Pipes used in fluids transfer
SMLS steel pipe: OD: 21.3-610MM
WT: SCH10-SCHXXS
Steel grade: 10#, 20#,20G,45#,16Mn, GRB, Q345B, X42-56, ST44, ST52,S355
Standard: GB/T8162/8163/3087/5310, ASME B36 10, ASTM A106/A53, API 5L/5CT, DIN2448/1629, EN10210/10219