A297 HH
ASTM:
A297 HH
ASME:
SA297 HH
Alloy Family:
Type:
25Cr-12Ni
Designation:
ACI:
AISI:
309
SAE:
UNS - Cast:
J93503
UNS - Wrought:
S30900
Common Name - Wrought:
Alloy Casting Statistics
Pounds Poured in 2021
19,330 lb
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Related Alloys
Industry Standard
Chemical Composition
- Carbon:0.20 - 0.50%
- Manganese:2.00% Max
- Silicon:2.00% Max
- Phosphorus:0.04% Max
- Sulfur:0.04% Max
- Chromium:24.00 - 28.00%
- Nickel:11.00 - 14.00%
- Molybdenum:0.50% Max
- Nitrogen:
- Nitrogen + Carbon:
- Vanadium:
- Tungsten:
- Aluminum:
- Titanium:
- Copper:
- Columbium:
- Barium:
- Boron:
- Zirconium:
- Cerium + Lanthanum:
- Iron:
- Residual Elements:
Physical Properties
- Yield Strength:35 ksi Min
- Tensile Strength:75 ksi Min
- Elongation at 2 in:10% Min
- Reduction of Area:
Charpy Properties
- Test Temperature:
- Average Energy¹:
- Single Energy:
¹ Minimum value for 2 test specimens and minimum average of 3 test specimens.