4” OD x .150”WT 88.9mm SA178 GrA Material Welded and Drawn Carbon Boiler Tubes
4” OD x .150”WT 88.9mm SA178 GrA Material Welded and Drawn Carbon Boiler Tubes
Precious tolerance tubes A178 Gr A is widely apply in boiler,exchanger and condensers,Its super heat resistant ,make good performace in application.Torich A178 Gr A Passed SGS inspection,Good quality is culture.Torich a a manufacturer of boiler tubes and exchanger tubes.
Good quality and Nice price wins a lot of customers over sea.
Samples are avaliable.
Material Gr A,Gr C,Gr D.
Chemical requirement
| Element | Composition % | ||
| Gr A Low-carbon steel | GrB Medium-Carbon Steel | Grade D,Carbon Manganese Steel | |
| Carbon | 0.06-0.18 | 0.35Max |
0.27Max |
| Manganese | 0.27-0.63 | 0.80Max | 1.00-1.50 |
| Phosphorus,Max | 0.035Max | 0.035Max | 0.030 |
| Sulfur,Max |
0.035Max |
0.035Max | 0.015 |
| Sillicon | 0.10Min | ||
Characteristic:
Low carbon steel
Super heat resistant
High precision
Good quality of raw material
Mechanical Testing Required
Flattening Test
Flange Test
Crush Test
Tension Test
Reverse Flattening Test
Application for
Boilers
Heat exchangers
Condensers
Pressure vessels
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