Introduce :
Standard: BS 6323,BS 3059-2,JIS G3461-2005,JIS G3454-2007,JIS G3455-2005,JIS G3452-2004,GB/T 9711.1-1997,DIN 17175,ASTM A106-2006,ASTM A53-2007,API 5CT,API 5L,BS,JIS,GB,DIN,ASTM,API
Grade: 10#,20#,45#,12CrMo,16Mn,API J55,API K55,API L80,API P110,10#-45#,Cr-Mo alloy,API J55-API P110
Location:
China