Comparative Classifications

Organizations

ASTM Specification

A487

ASME Specification

SA487

UNS Number (Cast)

J91540

UNS Number (Wrought)

S4150

AISI

SAE

Common Name (Wrought)

Alloy Specification

Datasheet.

Chemical Composition

Carbon:
0.06% Max
Manganese:
1.00% Max
Silicon:
1.00% Max
Phosphorus:
0.035% Max
Sulfur:
0.03% Max
Chromium:
11.50 - 14.00%
Nickel:
3.50 - 4.50%
Molybdenum:
0.40 - 1.00%
Nitrogen:
Nitrogen + Carbon:
Vanadium:
0.05% Max
Tungsten:
0.10% Max
Aluminum:
Titanium:
Copper:
0.50% Max
Columbium (Niobium):
Barium:
Boron:
Zirconium:
Cerium + Lanthanum:
Iron:
Residual Elements:
0.50% Max

Physical Properties

Tensile Strength:
110 - 135 ksi
Yield Strength:
80 ksi Min
Elongation at 2 in.:
15% Min
Reduction of Area:
35% Min

Frequently Asked Questions

Answers
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