Introduction ASTM B408 UNS N08811 Rod and Bar
ASTM B408 UNS N08811 is a specification that covers nickel-iron-chromium alloy UNS N08811 in the form of hot-worked and cold-worked rod and bar. The material, also known as Alloy 800HT, exhibits excellent corrosion resistance, high-temperature strength, and good mechanical properties. Let's delve into the specifics of ASTM B408 UNS N08811 Rod and Bar:
1. ASTM B408 UNS N08811 Rod and Bar Composition:
Nickel (Ni): 30.0 - 35.0%
Iron (Fe): 39.5% min.
Chromium (Cr): 19.0 - 23.0%
Aluminum (Al): 0.15 - 0.60%
Titanium (Ti): 0.15 - 0.60%
Carbon (C): 0.06 - 0.10%
Aluminum + Titanium: 0.85 - 1.20%
2. ASTM B408 UNS N08811 Mechanical Properties:
- Tensile Strength: 75 ksi (min) or 515 MPa (min)
- Yield Strength (0.2% Offset): 30 ksi (min) or 205 MPa (min)
- Elongation: 30% (min)
3. ASTM B408 Incoloy 800HT Round Bar Specifications:
ASTM B408 / ASME SB 408: Standard Specification for Nickel-Iron-Chromium Alloy Rod and Bar
4. 1.4958 Incoloy 800HT material Heat Treatment:
Alloy 800HT (UNS N08811) typically requires annealing between 2100 degree F (1149 degree ) and 1850 degree F (1010 degree ) followed by rapid cooling in water or air.
5. Incoloy alloy 800HT Rod And Bar Applications:
- Chemical and petrochemical processing: Used in equipment handling corrosive chemicals and high-temperature environments.
- Power generation: Suitable for applications involving high-temperature and high-pressure conditions.
- Aerospace and gas turbine components: Provides high-temperature strength and corrosion resistance.
6. ASTM B408 Incoloy 800HT rod Corrosion Resistance:
ASME SB 408 UNS N08811
7. 1.4876 Alloy 800HT Availability:
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