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Product classification
Incoloy 800H
INCOLOY800H/HT is an austenitic heat-resistant alloy widely used in high-temperature pressure-bearing structural parts.The high strength of 800H/HT is mainly due to the addition carbon, aluminum, titanium and annealed at temperatures as low as 1149°C to achieve grain size ASTM5 grade or better.
Classification:
Key words:
Superalloy | Inkenel | Hastelloy | Inkloy | Precision Alloy Series
Product Parameters
Incoloy 800H
INCOLOY800H/HT is an austenitic heat-resistant alloy widely used in high-temperature pressure-bearing structural parts.The high strength of 800H/HT is mainly due to the addition
carbon, aluminum, titanium and annealed at temperatures as low as 1149°C to achieve grain size ASTM5 grade or better.
introduce
For use below 787°C at 800 H/HT, 82 (ER NiCr-3) wire is used for welding. The R A 330-04 (N08334) wire has a matching heat
Coefficient of expansion, higher strength. If you want to achieve high mechanical strength, you can use welding wire 617 (ERNiCrCoMo-1) or electrode 117 (ENiCrCoMo-1).
In order to avoid grain boundary cracking due to stress relaxation that can occur at 800H/HT welded parts above 538°C, a post-weld hot area is required at 899°C
The holding time is one hour per 25 mm according to the thickness of the material (at least half an hour/25 mm thickness), and then air cooling.
Material standards
UNS US: N08811, N08810 W. Nr./EN
EU: 1.4958, 1.4959
ASTM: B 409, B 408, B 407
ASME: SB-409, SB-408, SB-407 Code Case 1325
ASME VIII with high material properties Design Allowable Stress Values (Allowable Temperatures up to 1650°F) Good High Temperature Oxidation Resistance (High to:
1900°F) Resistant to chloride ion stress corrosion cracking Mainly used in ethylene cracking furnace, quenching boiler, hydrogen production and reforming furnace, a section of the furnace gas collector, pig tail tube, gasifier
Pieces of Electric Heating Element Bushings Physical Property Density: 0.287 lb/in3
Melting Point Range: 2475- 2525°F
Physical properties of Incoloy 800H:
Density: 8.0 g/cm3
Melting Point: 1350-1400 °C
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