Comparative Classifications

Organizations

ASTM Specification

A743

ASME Specification

SA743

UNS Number (Cast)

J93254

UNS Number (Wrought)

AISI

SAE

Common Name (Wrought)

Alloy Specification

Datasheet.

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:
6.0 - 7.0%
Nitrogen:
0.180 - 0.240%
Nitrogen + Carbon:
Vanadium:
Tungsten:
Aluminum:
Titanium:
Copper:
0.50 - 1.00%
Columbium (Niobium):
Barium:
Boron:
Zirconium:
Cerium + Lanthanum:
Iron:
Residual Elements:

Physical Properties

Tensile Strength:
80 ksi Min
Yield Strength:
38 ksi Min
Elongation at 2 in.:
35% Min
Reduction of Area:

Frequently Asked Questions

Answers
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