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Test coupon from A278 CL. 30B melt.

A278 CL. 30B

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Comparative Classifications

ASTM Specification

A278

ASME Specification

SA278

UNS (Cast)

UNS (Wrought)

SAE

AISI

Carbon:

3.8% Max

Silicon:

3% Max

Phosphorus:

1% Max

Manganese:

0.5% Max

Sulfur:

1% Max

Chromium:

Nickel:

Molybdenum:

Nitrogen:

Nitrogen + Carbon:

Vanadium:

Tungsten:

Aluminum

Titanium:

Copper:

Columbium:

Barium:

Boron:

Zirconium:

Cerium + Lanthanum:

Iron:

95% Max

Residual Elements:

Tensile Strength:

30000 ksi Min

Elongation at 2 in:

Reduction of Area:

Yield Strength:

Chemical Composition

Physical Properties

Alloy Specification

Related Alloys

Frequently Asked Questions