constructionsquare galvanizede steel pipe from DPBD
Oct 12 2013
Standard BS 1387, BS EN10296, BS 1139, BS EN 10297, GB/T 9711.1-1997, GB/T8162, GB/T8163, DIN 1626, ASTM A53-2007, ASTM A53M-2007
Grade 10#-45#, A53-A369, Q195-Q345
Grade 10#, 20#, 45#, A53(A,B), …
HS-CODE : 72-