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Test coupon from A351 CH20 melt.

A351 CH20

Austenitic Stainless

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Comparative Classifications

ASTM Specification

A351

ASME Specification

SA351

UNS (Cast)

J93402

UNS (Wrought)

SAE

AISI

Carbon:

0.04 - 0.20%

Silicon:

2.00% Max

Phosphorus:

0.04% Max

Manganese:

1.50% Max

Sulfur:

0.04% Max

Chromium:

22.00 - 26.00%

Nickel:

12.00 - 15.00%

Molybdenum:

0.50% Max

Nitrogen:

Nitrogen + Carbon:

Vanadium:

Tungsten:

Aluminum

Titanium:

Copper:

Columbium:

Barium:

Boron:

Zirconium:

Cerium + Lanthanum:

Iron:

Residual Elements:

Tensile Strength:

70 ksi Min

Elongation at 2 in:

30% Min

Reduction of Area:

Yield Strength:

30 ksi Min

Chemical Composition

Physical Properties

Alloy Specification

A743 CH20

J93402

Related Alloys

Frequently Asked Questions