A743 CN7M | UNS N08007 | Austenitic Stainless

Comparative Classifications

Organizations

ASTM Specification

A743

ASME Specification

SA743

UNS Number (Cast)

N08007

UNS Number (Wrought)

AISI

SAE

ALLOY 20

Common Name (Wrought)

Alloy Specification

Datasheet.

Chemical Composition

Carbon:

0.07% Max

Manganese:

1.50% Max

Silicon:

1.50% Max

Phosphorus:

0.04% Max

Sulfur:

0.04% Max

Chromium:

19.00 - 22.00%

Nickel:

27.50 - 30.50%

Molybdenum:

2.00 - 3.00%

Nitrogen:

Nitrogen + Carbon:

Vanadium:

Tungsten:

Aluminum:

Titanium:

Copper:

3.00 - 4.00%

Columbium (Niobium):

Barium:

Boron:

Zirconium:

Cerium + Lanthanum:

Iron:

Residual Elements:

Physical Properties

Tensile Strength:

62 ksi Min

Yield Strength:

25 ksi Min

Elongation at 2 in.:

35% Min

Reduction of Area:

Frequently Asked Questions

Answers

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