A890 1B

ASTM

A890 1B

ASME

SA890 1B

Type

25Cr-5Ni-Mo-Cu-N

ACI

CD4MCuN

UNS -Cast

J93372

Chemical Composition

Carbon

0.04% Max

Manganese

1.00% Max

Silicon

1.00% Max

Phosphorus

0.04% Max

Sulfur

0.04% Max

Chromium

24.50 - 26.50%

Nickel

4.70 - 6.00%

Molybdenum

1.70 - 2.30%

Nitrogen

0.10 - 0.25%

Copper

2.70 - 3.30%

Physical Properties

Yield Strength

70 ksi Min

Tensile Strength

100 ksi Min

Elongation at 2 in

16% Min

Resources

ASTM Standard

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© Alloy Casting Industries Ltd 2025

Subscribe to our newsletter and stay in touch with us.

© Alloy Casting Industries Ltd 2025

Subscribe to our newsletter and stay in touch with us.

© Alloy Casting Industries Ltd 2025