seamless carbon steel pipes,seamless black steel pipes,seamless mild steel pipes API 5L GR B,PSL1 PSL2 X42,X46,X52,X60,X65,X70, ASTM A53 GR B,ASTM A106 GR B etcDec 30, 2013
... below: 1. Seamless Steel Pipes ASTM A53 GR B, ASTM A106 GR B, API 5L GR B etc.; Size: 21.3mm ... , EN10224 , EN10025 , BS, GB/T etc. MATERAL: ASTM A53, ASTM A106, A210, A252, A333; PSL1 PSL2 X42, X46, X52, X60, X65 ...