PRODUCT HIGH-QUALITY SUPPLIER FOR SMALL DIAMETER STEEL TUBE Welded Pipe Standard GB/T 12771、GB/T 21832.2、ASME SA-312/SA-312M、ASME SA-358/SA-358M、ASME SA-789/SA/789M、ASME SA-790/SA-790M Size Single Seam： OD : Φ6-Φ914mm, WT: 0.5mm-60mm Double Seam： OD : Φ630-Φ1524mm, WT: 2mm-80mm Circular Seam： OD : Above Φ630 , WT: 2mm-100mm Material Available Austenitic Stainless Steel: 304、304L、309S、310S、316、316L、321、347 Duplex Stainless Steel: S31803、S32205、S32750、S32760 Ferritic Stainless Steel: 409L、439 Nickel-Base Alloy: N08800、N08810、N08811、N08825、N06625
