ASTM A179 Seamless Boiler Tube

As one of the best astm a179 seamless boiler tube manufacturers and suppliers,Website:http://www.worldironsteel.com, and equipped with one of the well-known astm a179 seamless boiler tube brands and productive factory and company, World Iron & Steel Co.,Ltd is always at your service.1)Dinmension:           OD3.2-76.2mm(1/8in-3in) WT 0.4-2)Standard:                 ASTM A1793)Technique:               Seamless and cold drawn4)Surface treatment:Varnish or black painted5)Application:             Heat-exchanger and Condenser Tubes6)Type of Package:    Bundled and Packed in Seaworthy Bags, Plain Ends7)Inspection :              EN 10204/3.1 or EN 10204/3.2 Mill Test Certificate, SGS, BV8)Chemical Composition:C% 0.06-0.18Mn% 0.27-0.63P% ≤0.035S% ≤0.0359)Mechanical Propertise:Tensile strength Loading Ksi(Mpa) ≥47（325）Yield strength Loading Ksi(Mpa) ≥26（180）Elongation(50mm)% ≥35Hardness ≤72HRB10)Manufacturing Process:Seamless and cold-drawing11)Heat treatment:Tube shall be heat treated after the final cold draw pass at a temperature of 1200°F(360℃)or higher.12)Surface Condition:Finished tubes shall be free of scale,A slight amount of oxidation will not be considered as scale.13)Mechanical Tests Required:    Flattenting Test    Flaring test    Flange test    Hardness test    Hydrostatic test