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Test coupon from A732 8Q melt.

A732 8Q

Alloy Steels

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Comparative Classifications

ASTM Specification

A732

ASME Specification

SA732

UNS (Cast)

UNS (Wrought)

SAE

AISI

Carbon:

0.35 - 0.45%

Silicon:

0.20 - 0.80%

Phosphorus:

0.04% Max

Manganese:

0.70 - 1.00%

Sulfur:

0.045% Max

Chromium:

0.80 - 1.10%

Nickel:

0.50% Max

Molybdenum:

0.15 - 0.25%

Nitrogen:

Nitrogen + Carbon:

Vanadium:

Tungsten:

0.10% Max

Aluminum

Titanium:

Copper:

0.50% Max

Columbium:

Barium:

Boron:

Zirconium:

Cerium + Lanthanum:

Iron:

Residual Elements:

1.00% Max

Tensile Strength:

180 ksi Min

Elongation at 2 in:

5% Min

Reduction of Area:

Yield Strength:

145 ksi Min

Chemical Composition

Physical Properties

Alloy Specification

Related Alloys

Frequently Asked Questions