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Test coupon from A487 CA6NM CL. A melt.

A487 CA6NM CL. A

Martensitic Stainless

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Comparative Classifications

ASTM Specification

A487

ASME Specification

SA487

UNS (Cast)

J91540

UNS (Wrought)

S4150

SAE

AISI

Carbon:

0.06% Max

Silicon:

1.00% Max

Phosphorus:

0.035% Max

Manganese:

1.00% 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:

Barium:

Boron:

Zirconium:

Cerium + Lanthanum:

Iron:

Residual Elements:

0.50% Max

Tensile Strength:

110 - 135 ksi

Elongation at 2 in:

15% Min

Reduction of Area:

35% Min

Yield Strength:

80 ksi Min

Chemical Composition

Physical Properties

Alloy Specification

A743 CA6NM

J91540

A352 CA6NM

J91540

A487 CA6NM CL. B

J91540

Related Alloys

Frequently Asked Questions