Uses: Suitable for petroleum, natural gas, gas, shipbuilding, chemical industry, water conservancy and electric power. 1 outer diameter 219-3220mm
2 thickness 4-26mm
3 standards SY/T5037-2001 GB/T9711.1 API 5L
4 packing in bundle
5 material :
Q235B,Q235C,Q235D 0Cr13,1Cr17,00Cr19Ni11,1Cr18Ni9,0Cr18Ni11Nb. Q345 L245 L290 X42 X46 X70 X80