The Advantages and Disadvantages and Classifiion of ...
The Advantages and Disadvantages and Classifiion of Welded Steel Pipe. Tube Size | Steel Grade ... Mill Test Certifie for Black ERW Steel Pipe ... ERW STEEL PIPE STEEL GRADE:S185S235JR. ITEM NO SIZES (MM) AMOUNT (PCS) QUANTITY (KG) CHEMICAL COMPOSITION (%) TENSION TEST: C Mn ...