Cold-Drawn BS 1387 DIN 1626 Seamless ERW Steel Tube Thin Wall Pipe for Construction Product Description: The high frequency welding heat process of ER...
G3452 Galvanized ERW Steel Tube Customized Sizes For Oil And Gas Pipe Line High frequency straight seam (ERW) according to the welding process is divi...
ASTM Cold Rolled Black Annealing High Frequency Resistance Square Round ERW Steel Tube For Energy High frequency straight seam (ERW) according to the ...
Precision Thick Wall Rectangle ERW Steel Tube , EN 10305-5 E190 Welded Boiler Water Pipe Description: EN 10305-5 Welded and cold sized square and rect...