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Test coupon from A217 WC9 melt.

A217 WC9

Alloy Steels

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Comparative Classifications

ASTM Specification

A217

ASME Specification

SA217

UNS (Cast)

J21890

UNS (Wrought)

SAE

AISI

Carbon:

0.05 - 0.18%

Silicon:

0.60% Max

Phosphorus:

0.035% Max

Manganese:

0.40 - 0.70%

Sulfur:

0.035% Max

Chromium:

2.00 - 2.75%

Nickel:

0.50% Max

Molybdenum:

0.90 - 1.20%

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:

70 - 95 ksi

Elongation at 2 in:

20% Min

Reduction of Area:

35% Min

Yield Strength:

40 ksi Min

Chemical Composition

Physical Properties

Alloy Specification

Related Alloys

Frequently Asked Questions