Introduce :
Standard: GB 5310-1995,GB 3087-1999,GB/T 8163-1999,GB/T 8162-1999,GB/T8162,GB/T8163,DIN 1629/3,DIN 17175,ASTM A106-2006,ASTM A312-2001,ASTM A333-2005,API 5CT,API 5L,GB,DIN,ASTM,API,ASTM A106/53 B
Grade: 10#,20#,16Mn,A53(A,B),A106(B,C),API J55,API P110,St37,St52,ST35,Q235,Q345,Q195,10#-45#,A53-A369,API J55-API P110,ST35-ST52,Q195-Q345
Location:
China