product:steel pipe Standard:GB/T8163 Chinese national standard Application:General seamless ... construction, manufacture ship, paper, medical drug use power, metallurgy,, oil drilling, boilers and pressure vessel of medium and low pressure(normally ... 450C) etcSteel gradeQ195,Q195L,Q235 and so on PackingPlastic steel pipe cap ,plastic bag, steel strip bundledCertificateAPI, CCS, ISO9001:2000Delivery ...