Introduce :
Standard: BS 1387,JIS G3463-2006,GB 5310-1995,GB 3087-1999,GB/T 8163-1999,GB/T 8162-1999,DIN 1626,ASTM A106-2006,API 5CT,API 5L,BS,JIS,GB,DIN,ASTM,API, API 5CT, 5L; ASTM, BS, JIS, DIN
Grade: 10#,20#,45#,16Mn,A53(A,B),A106(B,C),API J55,API K55,API N80,API L80,API P110,Q235,Q345,Q195,Q215,10#-45#,A53-A369,API J55-API P110,Q195-Q345
Location:
China