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Test coupon from A744 CF3M melt.

A744 CF3M

Austenitic Stainless

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Comparative Classifications

ASTM Specification

A744

ASME Specification

SA744

UNS (Cast)

J92800

UNS (Wrought)

S31603

SAE

316L

AISI

Carbon:

0.03% Max

Silicon:

1.50% Max

Phosphorus:

0.04% Max

Manganese:

1.50% Max

Sulfur:

0.04% Max

Chromium:

17.00 - 21.00%

Nickel:

9.00 - 13.00%

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

A743 CF3M

J92800

A351 CF3M

J92800

Related Alloys

Frequently Asked Questions

Q. What does CF3M stand for?

A. As with CF8M, 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 (3) represents the maximum carbon content in increments of 0.01%. In this instance, 0.03%. Finally, the character (M) states that Molybdenum is present.