A178 High Temperature Welded Pipe
GNEE is one of the leading manufacturers, suppliers and exporters of ASTM A178 Electric Resistance Welded Tube, these products use high quality materials.
A178 Boiler Tube is known for its corrosion resistance and tolerance to temperature changes, A178 straight seam tubes should be made by electric resistance welding process. After welding, all tubes should be heat treated at 900°C or above and then cooled in air or in the cooling chamber of a controlled atmosphere furnace.
SA178A Mild Steel Boiler Tubes are used in Superheaters, Water Wall Panels, Heat Exchangers, Condensers, Marine Applications, Refineries, Paper and Pulp, Petrochemical Applications, Pressure Vessels and General Engineering Applications.
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Specification of ASTM A178 tubing
| Material | Carbon Steel and Carbon-Manganese Steel |
| Manufacturing Process | Electric Resistance Welding |
| Pipe Diameter | 1/2" to 5" |
| Wall Thickness | 0.035" to 0.360" |
| Chemical Composition | C: 0.06–0.18, Mn: 0.27–0.63, P max: 0.035, S max: 0.035 |
| Applications | Boiler Tubes, Boiler Flues, Superheater Flues, and Safe Ends (excluding Type C and D for safe-ending for forge welding) |
| Standards & Approvals | Complies with ASTM A178 Standard Specification |
SA178 ERW Boiler Pipe

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