ASTM A178 Boiler and Superheater Tube
Standards:ASTM A178/ASME SA-178
Mill Plant: VALIN STEEL, BAO STEEL
Outside Diameter: 12.7mm to 127mm
Wall Thickness: 1.2-9.1mm
Type: Round Tube
ASTM A178 is the standard specification for Electric-Resistance-Welded Carbon Steel and Carbon-Manganese Steel Boiler and Superheater Tubes. The steel shall be of Grades A (low-carbon steel), C (medium-carbon steel), or D (carbon-manganese steel). At WIHO metals, The ASTM A178 ERW welded tubes we supplied are mainly Grade A and grade C shall be used in manufacturing heating pipelines, containers, coal-saving devices, superheaters, arch superheated tubes, airway tubes etc.
ASTM A178 Tube Equivalent Material
|C38D||STS42||A178 Gr.C||St 45.4/1.0309||20G|
ASTM A178 Chemical Composition
|Grade C||0.35 max||0.80 max||0.035||0.035||/|
|Grade D||0.27 max||1.00-1.50||0.03||0.015||0.01 min|
ASTM A178 Mechanical Property
|Grades||Tensile strength, min, ksi [MPa]||Yield strength, min, ksi [MPa]||Elongation in 2 in. or 50mm, min, %|
WIHO metals supply and stock a large inventory of ASTM A178/ASME SA178(STB33/St35.8) ERW tube used for boiler, superheater, condenser, reheaters, and safe ends. We supply and stock ASTM A178 Grade A, Grade C steel tubes from china’s leading steel mills and we also offer steel additional services like cutting, welding, bending, machining, pre-coating and beveling. For more information on our extensive steel alloys inventory, please contact us or fill in the form below.