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Test coupon from A743 CF8M melt.

A743 CF8M

Austenitic Stainless

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Comparative Classifications

ASTM Specification

A743

ASME Specification

SA743

UNS (Cast)

J92900

UNS (Wrought)

S31600

SAE

316

AISI

Carbon:

0.08% Max

Silicon:

2.00% Max

Phosphorus:

0.04% Max

Manganese:

1.50% Max

Sulfur:

0.04% Max

Chromium:

18.00 - 21.00%

Nickel:

9.00 - 11.00%

Molybdenum:

2.00 - 3.00%

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

A744 CF8M

J92900

A351 CF8M

J92900

Related Alloys

Frequently Asked Questions

Q. What does CF8M stand for?

A. As with CF3M, the first character (C) means the alloy is intended for "Corrosion Resistant" service. The second character (F) is the approximate location on the iron-chromium-nickel (FeCrNi) ternary diagram and indicates the iron, chromium and nickel content. The third character (8) represents the maximum carbon content in increments of 0.01%. In this instance, 0.08%. Finally, the character (M) states that Molybdenum is present.