TORICH INTERNATIONAL LIMITED
TORICH INTERNATIONAL LIMITED The Steel Tube Maker
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Low carbon steel Precision ASTM A178 Welded and Drawn Boiler Tubes
A178A Electric-Resistance-Welded Carbon Steel and Carbon-Manganese Steel Boiler and Superheater Tubes
Welded steel 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.
Material Gr A,Gr C,Gr D.
Welded steel tubes 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 | ||
Welded steel tubes Mechanical Testing Required
Flattening Test
Flange Test
Crush Test
Tension Test
Reverse Flattening Test
Application for
Boilers
Heat exchangers
Condensers
Pressure vessels
Characteristic:
Low carbon steel
Super heat resistant
Samples are avaliable.
