Products Description
ASTM A423 Cortenn Steel Pipe is a low alloy carbon steel grade that forms an oxide layer on the surface when exposed to extreme weather conditions. This layer is called patina and it work as a protective coating on ASTM A423 products, resisting corrosion for a longer period.
They can be found in complex piping due to their ease of fixture and corrosion resisting properties.
Specification
| Size Range | ½ OD to 16 OD |
|---|---|
| Standards | AASTM A 423 / ASME SA 423 |
| Grade | ASTM A423 GR 1 / ASME SA423 GR 1 |
| Type | Round, Square, Rectangle, Hydraulic, Honed Tubes |
| Length | Single Random, Double Random & Customize Size |
| Type | Weathering Steel |
| End |
Plain End, Beveled End, Threaded End |
Mechanical Properties of ASTM A423 Corten Steel Grade 1 Pipes & Tubes
| Grade | Yield Strength MPa(min) | Tensile Strength MPa | Elongation % (min) |
|---|---|---|---|
| Corten A | 355 | 470-630 | 20 |
Chemical Compositions of ASTM A423 Corten Steel Grade 1 Pipes & Tubes
| Element | C, % | Mn, % | P, % | S, % | Si, % | Cu, % | Cr, % | Ni, % |
|---|---|---|---|---|---|---|---|---|
| A/SA 423 GR 1 |
0.15 max. | 0.55 max. | 0.06–0.16 | 0.060 max. | 0.10 min. | 0.20–0.60 | 0.24–1.31 | 0.20–0.70 |
Manufacture Process
Seamless
ERW (electric resistance welded)
Heat Treatment
Normalized or otherwise heat treated
Size range of ASTM A423 tube
| Outside | Nominal | Wall | Inside | Weight |
| Diameter | Pipe Diameter | Thickness | Diameter | Lbs |
| Inches | Inches | Inches | Inches | Per Foot |
| 1.660 | 1-1/4 | .140 | 1.380 | 2.273 |
| 1.315 | 1 | .133 | 1.049 | 1.679 |
| 1.900 | 1-1/2 | .145 | 1.610 | 2.718 |
| 2.875 | 2-1/2 | .203 | 2.469 | 5.793 |
| 2.375 | 2 | .154 | 2.067 | 3.653 |
| 6.625 | 6 | .28 | 6.056 | 18.97 |
| 3.50 | 3 | .216 | 3.068 | 7.576 |
| 4.50 | 4 | .237 | 4.026 | 10.79 |
| 4 | 3-1/2 | .226 | 3.548 | 9.109 |
| 5.563 | 5 | .258 | 5.047 | 14.62 |
| 8.625 | 8 | .322 | 7.981 | 28.55 |
Corten Steel A423 Pipes & Tubes Application
| Petrochemical | Oil & Gas | Air Preheater Unit | Refineries | Nuclear Power |
| Power Plant | Fossil Fuel Plants | Breweries | Chemical | Steam Generating Boiler |
| Cement | Water Supply Systems | Steel Plant | Mills | Engineering Co. |
| Shipbuilding | Heat Exchangers | Architectural Construction | Cogeneration Facilities | Economiser |
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