A744 CK3MCuN
ASTM:
A744 CK3MCuN
ASME:
SA744 CK3MCuN
Alloy Family:
Type:
20Cr-18Ni-Mo-Cu
ACI:
AISI:
SAE:
UNS - Cast:
J93254
UNS - Wrought:
Common Name - Wrought:
Alloy Casting Statistics
Pounds Poured in 2021
2,900 lb
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Related Alloys
Alloy Standard
Chemical Composition
- Carbon:0.025% Max
- Manganese:1.20% Max
- Silicon:1.00% Max
- Phosphorus:0.045% Max
- Sulfur:0.01% Max
- Chromium:19.50 - 20.50%
- Nickel:17.50 - 19.50%
- Molybdenum:6.00 - 7.00%
- Nitrogen:0.18 - 0.24%
- Nitrogen + Carbon:
- Vanadium:
- Tungsten:
- Aluminum:
- Titanium:
- Copper:0.50 - 1.00%
- Columbium:
- Barium:
- Boron:
- Zirconium:
- Cerium + Lanthanum:
- Iron:
- Residual Elements:
Physical Properties
- Yield Strength:38 ksi Min
- Tensile Strength:80 ksi Min
- Elongation at 2 in:35% 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.