A743 CN7M
ASTM:
A743 CN7M
ASME:
SA743 CN7M
Alloy Family:
Type:
20Cr-29Ni-Cu-Mo
ACI:
AISI:
SAE:
ALLOY 20
UNS - Cast:
N08007
UNS - Wrought:
Common Name - Wrought:
Alloy Casting Statistics
Pounds Poured in 2021
1,150 lb
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Related Alloys
Alloy Standard
Chemical Composition
- Carbon:0.07% Max
- Manganese:1.50% Max
- Silicon:1.50% Max
- Phosphorus:0.04% Max
- Sulfur:0.04% Max
- Chromium:19.00 - 22.00%
- Nickel:27.50 - 30.50%
- Molybdenum:2.00 - 3.00%
- Nitrogen:
- Nitrogen + Carbon:
- Vanadium:
- Tungsten:
- Aluminum:
- Titanium:
- Copper:3.00 - 4.00%
- Columbium:
- Barium:
- Boron:
- Zirconium:
- Cerium + Lanthanum:
- Iron:
- Residual Elements:
Physical Properties
- Yield Strength:25 ksi Min
- Tensile Strength:62 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.