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Nickel Alloy Steel Seamless Tube ASTM B407 UNS N08811 Heat Exchangers Gas Oil
What is ASTM B407?
ASTM B407 is the standard specification for seamless nickel-iron-chromium alloy steel tubing.ASTM B407 specification includes Incoloy 800 and Incoloy H/HT.ASTMB407 lncoloy 800 seamless tube and ASTM B407Incoloy 800 seamless tube are typically suitable for service temperatures above 1100 F or 593 C. ASTM B407 lncoloy 800 seamless tube and ASTM B407 Incoloy 80OH/HT seamless tube are typically suitable for service temperatures above 1100 F or 593 C. While ASTM B407lncoloy 800H/HT seamless tube and ASTM B407 Incoloy 80OH/HT seamless tube are typically suitable for service temperatures above 1100 F or 593 C where creep and fracture resistance is required. These Lncoloy alloys have a very high resistance to chloride ion stress corrosion cracking and also exhibit good resistance to polysulfate cracking. As a result, these pipes and tubes are very suitable in high temperature petrochemical environments.
Chemical composition of ASTM B407 UNS N08811
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr | Al | Ti |
| Inconel Alloy 800 Tube | 0.10 max | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30.00 – 35.00 | 19.00 – 23.00 | 0.15 – 0.60 | 0.15 – 0.60 |
| Inconel Alloy 800H Tube | 0.05 – 0.10 | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30.00 – 35.00 | 19.00 – 23.00 | 0.15 – 0.60 | 0.15 – 0.60 |
| Inconel Alloy 800HT Tube | 0.06 – 0.10 | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30.00 – 35.00 | 19.00 – 23.00 | 0.15 – 0.60ᴬ | 0.15 – 0.60ᴬ |
Physical properties of ASTM B407 UNS N08811
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.94 gm/cm3 | 0.287 lb/in3 |
Overview
astm b407 uns n08811 steel pipe is typically used in high temperature environments above 1100°F. In such high temperature environments, properties such as creep and fracture resistance are required, and sb 407 uns n08811 seamless tube can provide these properties. astm b407 n08811 erw tube has a balanced chemical composition in it that allows the nickel-based alloy to exhibit not only excellent resistance to carburization, but also to oxidation and nitrided atmospheres.
Application
Heat exchangers
