| After-sales Service: | Change Against Defect or Technical |
|---|---|
| Warranty: | 1 Year |
| Type: | Seamless |
| Technique: | Hot Rolled |
| Material: | Alloy Steel |
| Surface Treatment: | Varnishing |
| Samples: |
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| Customization: |
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Audited Supplier SA213 T11 boiler tube, properties of hot strength makes it suitable for use in pressure-bearing plants in temperature up to 1,000°C. It has excellent fabrication characteristics necessary for high temperature boiler plant construction. In pressure vessel construction and power station engineering, excellent creep rupture strength is one of the most important properties of materials used. The operating conditions in the newly constructed power stations are critically set on by the recent developments in T11 boiler tube fabrication. In this fabrication by the use of heat resistant high-alloy steels it allows the determination of reliably improved supercritical steam characteristics. A213 T11 tubing not only improves the material efficiency but also allow reducing the volumes of materials, both of which results into positive economic benefits. Moreover, the more severe the climatic conditions forced on combustion emissions, the more effective and productive sa213 T11 tubing becomes. Outstanding hot strength properties of it make it use excellent for resistance to hot gases.
The working temperatures for sa213 T11 materials start above 550°C. The properties for pressure vessel fabrication may be verified by reviewing ASTM a213 T11 Tube material long-term strength values and design characteristics that can be determined over periods of up to 200,000hrs through creep tests. The chromium content at the inner and outer surface of A213 gr T11 Seamless tube determines the corrosion and oxidation, a technique was developed to safe costly alloying elements and makes enough chromium available to provide improved oxidation behavior at the outer tube surface. Although the loads that act on ASME SA213 Grade T11 Tubes in heat resistant materials diverse and it can be determined by estimation and can be managed by right chemical elements and correct design. However, incident has shown that outside effect occur during the service life of plants, which cannot be predicted at the planning and design stage, as they largely result from the actual working conditions to which the Alloy Steel T11 Seamless Tubing exposed and most of these effects are related to high-temperature corrosion. Within the limits of the acceptable temperature ranges, heat resistant austenitic steels generally provide excellent resistance to combustion gases with sufficient excess air.
Chemical composition
| Grade | C≤ | Mn | P≤ | S≤ | Si≤ | Mo |
|---|---|---|---|---|---|---|
| SA213 T11 Composition | 0.05~0.15 | 0.30~0.60 | 0.025 | 0.025 | 0.50~1.0 | 0.44~0.65 |
Mechanical composition
| Grade | SA 213 T11 Tensile Strength, MPa | Yield Strength, MPa |
|---|---|---|
| T11 | 415 min | 205 min |
| SA 213 Gr T11 Density | Elongation, % | Hardness, HB |
| 7.85 g/cc | 30 min | 179 max |
Standard: ASTM A213/ASME SA213 for alloy and stainless steel tube and pipe
Grade: T9, T11, T22, T91, T92, TP304/L, TP316/L, TP317/L, TP321/H etc
OD: 1/8" to 16". 3.2mm to 406mm
WT: 0.015" to 0.500", 0.4mm to 12.7mm
Length: 10ft, 20ft, 40ft, or customized length
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