Produkto ERW Steel Pipe Material Carbon Steel Grade Q195=S195/A53 Grade A Q235=S235/A53 Grade B/A500 Grade A/STK400/SS400/ST42.2 Q345=S355JR/A500 Grade B Grade C Standard DIN 2440,ISO 6 EN10255,BS1387,GB/T3091,GB/T13793, JIS 3444/3466,API 5L,ASTM A53,A500,A36,ASTM A795 Surface Bare/Natural Black Ends Plain Ends With or Without Caps mm Outside DN5 Thinch Third 1/2” 20~21.3 0.95~2.77 20 3/4” ...
