Comparative Classifications

Organizations

ASTM Specification

A494

ASME Specification

SA494

UNS Number (Cast)

N26455

UNS Number (Wrought)

N06455

AISI

SAE

Common Name (Wrought)

ALLOY C4

Alloy Specification

Datasheet.

Chemical Composition

Carbon:
0.02% Max
Manganese:
1.00% Max
Silicon:
0.80% Max
Phosphorus:
0.03% Max
Sulfur:
0.02% Max
Chromium:
15.00 - 17.50%
Nickel:
Balance
Molybdenum:
15.00 - 17.50%
Nitrogen:
Nitrogen + Carbon:
Vanadium:
Tungsten:
1.00% Max
Aluminum:
Titanium:
Copper:
Columbium (Niobium):
Barium:
Boron:
Zirconium:
Cerium + Lanthanum:
Iron:
2.00% Max
Residual Elements:

Physical Properties

Tensile Strength:
72 ksi Min
Yield Strength:
40 ksi Min
Elongation at 2 in.:
20% Min
Reduction of Area:

Frequently Asked Questions

Answers
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Related Alloys

Nickel Base Steels
No items found.