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Test coupon from A297 HC melt.

A297 HC

Heat Resistant Stainless

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Comparative Classifications

ASTM Specification

A297

ASME Specification

SA297

UNS (Cast)

J92605

UNS (Wrought)

S44600

SAE

446

AISI

Carbon:

0.50% Max

Silicon:

2.00% Max

Phosphorus:

0.04% Max

Manganese:

1.00% Max

Sulfur:

0.04% Max

Chromium:

26.00 - 30.00%

Nickel:

4.00 - 7.00%

Molybdenum:

0.50% Max

Nitrogen:

Nitrogen + Carbon:

Vanadium:

Tungsten:

Aluminum

Titanium:

Copper:

Columbium:

Barium:

Boron:

Zirconium:

Cerium + Lanthanum:

Iron:

Residual Elements:

Tensile Strength:

55 ksi Max

Elongation at 2 in:

Reduction of Area:

Yield Strength:

Chemical Composition

Physical Properties

Alloy Specification

Related Alloys

Frequently Asked Questions