China Manufacture 34CrMo4 Seamless Steel Tube For Gas Cylinder Standard: ASTM A519 EN10297 DOT-3AA/3AAX GB18248 GB28884 Standard Grade OD WT Remarks ASTM A519 4130、4140、4142、4145 219-720mm 5-50mm 　 EN10 ...Read More

China Manufacture Seamless Alloy Steel Tube ASTM A213/ASME SA213 With Best Price Standard: ASTM A213/ASME SA213 Steel Grade: T2, T5, T9, T11, T12, T22, T91, T92 Size: OD (10-168.3mm) X WT (1.2-21.95mm) Application: Boiler Tube, Super Heater Tub ...Read More

ASTM A312 Stainless Steel Seamless And Welded Pipe Item: Stainless Steel Pipe/Stainless Steel Tube/Stainless Steel Tubing/ U Bend Tube Grade: Austenite, Ferritic, Super-Ferritic, Duplex Stainless Steel Standard: ASTM A312/A213/A249/A554/A270/A269/ ...Read More