ALLOY C-276 Bar

Alternative and trade names
ALLOY C-276, UNS N10276
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Description

Alloy C-276 is a nickel-molybdenum-chromium alloy with additional tungsten. In addition, alloy C-276 resists formation of grain boundary precipitates in the weld heat affected zone making it useful for most chemical processes in the as-welded condition.

Related Standards

Equivalent Materials

This material data has been provided by Sverdrup Steel.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

Properties

Dimension

PropertyValue

Diameter

25.4 - 230 mm

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Mechanical

PropertyTemperatureValue

Charpy impact energy, V-notch

-196.0 °C

357 J

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Elongation

23.0 °C

40 %

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Hardness, Brinell

23.0 °C

240 [-]

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Tensile strength

23.0 °C

700 MPa

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Yield strength Rp0.2

23.0 °C

300 MPa

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Chemical properties

PropertyValue

Carbon

0.01 %

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Chromium

14.5 - 16.5 %

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Cobalt

2.5 %

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Iron

4 - 7 %

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Manganese

1 %

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Molybdenum

15 - 17 %

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Nickel

Balance

Phosphorus

0.04 %

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Silicon

0.08 %

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Sulfur

0.03 %

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Tungsten

3 - 4.5 %

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Vanadium

0.35 %

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Technological properties

Property
Application areas

Usually used in chemical processing, pollution control, pulp and paper industry, waste treatment, dampers, scrubbers and heat exchangers.

Corrosion properties

This alloy has excellent resistance to pitting and stress corrosion cracking and oxidizing atmospheres up to 1040°C. Alloy C-276 exhibits excellent resistance in a wide variety of chemical process environments including those with ferric and cupric chlorides, hot contaminated organic and inorganic media, chlorine, formic and acetic acids, seawater, brine and hypochlorite and chlorine dioxide solutions.

Heat Treatment

Solution annealed at 1100 to 1160°C

Welding

Good