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Test coupon from A743 CA15 melt.

A743 CA15

Martensitic Stainless

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Comparative Classifications

ASTM Specification

A743

ASME Specification

SA743

UNS (Cast)

J91155

UNS (Wrought)

S4100

SAE

410

AISI

Carbon:

0.15% Max

Silicon:

1.50% Max

Phosphorus:

0.04% Max

Manganese:

1.00% Max

Sulfur:

0.04% Max

Chromium:

11.50 - 14.00%

Nickel:

1.00% Max

Molybdenum:

0.50% Max

Nitrogen:

Nitrogen + Carbon:

Vanadium:

Tungsten:

Aluminum

Titanium:

Copper:

Columbium:

Barium:

Boron:

Zirconium:

Cerium + Lanthanum:

Iron:

Residual Elements:

Tensile Strength:

90 ksi Min

Elongation at 2 in:

18% Min

Reduction of Area:

30% Min

Yield Strength:

65 ksi Min

Chemical Composition

Physical Properties

Alloy Specification

A487 CA15

J91150

A487 CA15 CL. A

J91150

A487 CA15 CL. B

J91150

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Frequently Asked Questions