MP35N NACE

Alternative and trade names
MP35N™ - NACE
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Description

MP35N™ is a trademarked grade produced by Latrobe Speciality Steel, a subsidiary of Carpenter Technology in the USA, and the trademark is owned by SPS Technologies Inc. This data sheet covers material produced for optimum corrosion resistance and to comply with the requirements of NACE MR0175. It has a face centred cubic structure matrix of cobalt and nickel, in which chromium and molybdenum are soluble at elevated temperatures. The fcc structure persists upon cooling to room temperature and below. Thereafter the combination of cold work and ageing temperature determines that the maximum CRA properties are achieved.

Related Standards

This material data has been provided by Broder Metals Group.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
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

General

PropertyTemperatureValueComment

Density

23.0 °C

8.43 g/cm³

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Grain size

4 μm

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Maximum, ASTM E112

Dimension

PropertyValue

Length

12.7 - 76.2 mm

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Mechanical

PropertyTemperatureValueComment

Elongation

23.0 °C

10 %

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ASTM E8, For 50.8mm diameter

Hardness, Rockwell C

23.0 °C

51 [-]

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Reduction of area

23.0 °C

40 %

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ASTM E8, For 50.8mm diameter

Shear strength

23.0 °C

1034 MPa

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For 25.4mm diameter

Tensile strength

23.0 °C

190 - 220 MPa

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ASTM E8, Depending on the aging, for 50.8mm diameter

Yield strength Rp0.2

23.0 °C

180 - 210 MPa

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ASTM E8, Depending on the aging, for 50.8mm diameter

Chemical properties

PropertyValue

Boron

0.15 %

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Carbon

0.025 %

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Chromium

19 - 21 %

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Cobalt

Balance

Iron

1 %

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Manganese

0.15 %

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Molybdenum

9 - 10.5 %

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Nickel

33 - 37 %

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Phosphorus

0.02 %

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Silicon

0.15 %

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Sulfur

0.01 %

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Titanium

1 %

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Technological properties

Property
Application areas

NACE material is ideally suited for oil field equipment such as fasteners, springs, non-magnetic electrical components, instrument parts, valve components, high pressure door fittings, actuators, seals, shafts and other components.

Corrosion properties

MP35N in its NACE variant offers exceptional stress corrosion cracking (SCC) resistance for harsh environments such as hydrogen sulphide, salt water and other chloride environments, as well as resists attack from mineral acids (nitric, hydrochloric and sulphur). The material has exceptional resistance to crevice and stress corrosion cracking in sea water and other hostile environments.

Processing methods

Melting: MP35N™ is produced by vacuum induction melting followed by VAC-ARC remelting to provide exceptional control of chemistry and ingot solidification.