A351 CF10SMnN

ASTM

A351 CF10SMnN

ASME

SA351 CF10SMnN

SAE

218

UNS -Cast

J92972

UNS -Wrought

S21800

Overview

CF10SMnN is an austenitic stainless steel casting alloy defined by ASTM A351/A351M, designed for pressure-containing applications such as valves, flanges, and fittings. It features enhanced machinability and strength due to its elevated manganese and nitrogen content. The nitrogen improves yield strength and corrosion resistance, while the high manganese content helps maintain austenite stability and supports the alloy's non-magnetic character. This alloy is particularly suitable for applications where a combination of corrosion resistance, higher mechanical strength, and improved machinability is desired. Common industries include food processing and chemical equipment.

Chemical Composition

Carbon

0.10% Max

0.10% Max

0.10% Max

Manganese

7.00 - 9.00%

Silicon

3.50 - 4.50%

Phosphorus

0.06% Max

Sulfur

0.03% Max

Chromium

16.00 - 18.00%

Nickel

8.00 - 9.00%

Nitrogen

0.08 - 0.18%

Mechanical Properties

Yield Strength

42.5 ksi Min

Tensile Strength

85 ksi Min

Elongation at 2 in

30% Min

Frequently Asked Questions

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© Alloy Casting Industries Ltd 2025

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© Alloy Casting Industries Ltd 2025

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© Alloy Casting Industries Ltd 2025