China Bts Finished Product Communication Equipment Roof Steel Monopole Lightning Tower, Find details about China Steel Pipe Tower, Single Tube Steel Tower from Bts Finished Product Communication Equipment Roof Steel Monopole Lightning Tower
China-GB | America-ASTM | Equivalent |
Q235 | Grade D | SS400,S235JO |
Q345 | Grade50[345] | S355JR |
Q420 | Grade60[415] | S420NL |
Q460 | Grade65[450] | S460NL |