A297 HH

Comparative Classifications

Organizations

ASTM Specification

A297

ASME Specification

SA297

UNS Number (Cast)

J93503

UNS Number (Wrought)

S30900

AISI

309

SAE

Common Name (Wrought)

Alloy Specification

Datasheet.

Chemical Composition

Carbon:

0.20 - 0.50%

Manganese:

2.00% Max

Silicon:

2.00% Max

Phosphorus:

0.04% Max

Sulfur:

0.04% Max

Chromium:

24.00 - 28.00%

Nickel:

11.00 - 14.00%

Molybdenum:

0.50% Max

Nitrogen:

Nitrogen + Carbon:

Vanadium:

Tungsten:

Aluminum:

Titanium:

Copper:

Columbium (Niobium):

Barium:

Boron:

Zirconium:

Cerium + Lanthanum:

Iron:

Residual Elements:

Physical Properties

Tensile Strength:

75 ksi Min

Yield Strength:

35 ksi Min

Elongation at 2 in.:

10% Min

Reduction of Area:

Frequently Asked Questions

Answers

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