ASTM B366 Alloy800 Incoloy 800 UNS N08800 Nickel Alloy Pipe Fittings LR/SR seamless welded Elbow
1.What’s the difference between LR elbow and SR elbow?
Both long radius and short radius elbows can be used to connect pipes and also have the same inner and outer diameter, angle and wall thickness. But you don't seem to see any difference from their because of its similar appearance.
Elbows are divided into two groups which define the distance over which they change direction: the center line of one end to the opposite face. This is known as the "center to face" distance and is equivalent to the radius through which the elbow is bent.
The center to face distance for a "long" radius elbow, the LR radius elbows have a center to end distance that is 1.5 times the NPS in inches(R=1.5D),while the SR radius is equal to the NPS in inches(R=1.0D). The 45, 90°and 180°elbows, all three in the "long radius" version, and in addition the 90° and 180° elbows both in the "short radius" version.
Dimensions, dimensional tolerances etc. for long and short radius elbows are defined in ASME B16.9.ASME B16.9 standardizes the center to face dimensions and some "squareness" dimensional tolerances.
2.Incoloy 800 / 800H /800HT Pipe Fittings Specifications
Incoloy 800 / 800H /800HT Pipe Fittings Specifications |
| Specifications | : | ASTM B366 / ASME SB366 |
| Size | : | Seamless Butt Weld Fittings: 1/2″ – 10″, Welded Butt Weld Fittings: 1/2″ – 48″ |
| Standards | : | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 |
| Thickness | : | 5s, 10s, 40s, 80s, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS available with NACE MR 01-75 |
| Type | : | Seamless / Welded / Fabricated |
3.Incoloy 800 / 800H / 800HT Pipe Fittings Chemical Composition
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr | Al | Ti |
| 800 | 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 |
| 800H | 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 |
| 800HT | 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 |
4.Incoloy 800 / 800H / 800HT Buttweld Fittings Mechanical Properties
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 800 / 800H / 800HT | 7.94 g/cm3 | 1385 °C (2525 °F) | Psi – 75,000 , MPa – 520 | Psi – 30,000 , MPa – 205 | 30 % |
5. Incoloy Alloy 800 / 800H / 800HT Buttweld Pipe Fittings Application Industries
- Off-Shore Oil Drilling Companies
- Power Generation
- Petrochemicals
- Gas Processing
- Specialty Chemicals
- Pharmaceuticals
- Pharmaceutical Equipment
- Chemical Equipment
- Sea Water Equipment
- Heat Exchangers
- Condensers
- Pulp and Paper Industry
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ASTM B366 Incoloy 800 Nickel Alloy Pipe Fittings LR / SR Seamless Welded Elbow Images
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