DTD900 Enhanced

Alternative and trade names
DTD900 High Strength Copper Nickel
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Description

Both High Strength Copper Nickel Standard and Enhanced are Ni Bronze products giving high strength and good corrosion resistance properties, and meeting the requirements of B7 bolting material. The material is defined as API Class AA and PSL 3. The material is readily machinable. The difference between High Strength Copper Nickel Standard and Enhanced is the higher guaranteed minimum mechanical properties.

Equivalent Materials

This material data has been provided by Broder Metals Group.

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

Mechanical

PropertyTemperatureValue

Elongation

23.0 °C

10 %

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Hardness, Brinell

23.0 °C

226 [-]

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Hardness, Rockwell C

23.0 °C

21 [-]

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Tensile strength

23.0 °C

770 - 828 MPa

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Yield strength Rp0.2

23.0 °C

555 - 655 MPa

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Chemical properties

PropertyValue

Aluminium

2 - 4 %

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Chromium

0.3 %

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Copper

Balance

Iron

0.5 - 2.5 %

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Lead

0.3 %

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Manganese

0.1 - 1 %

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Nickel

13 - 14 %

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Silicon

0.3 %

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Tin

0.3 %

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Zinc

0.5 %

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Technological properties

Property
Application areas

Bolt

Corrosion properties

Used where stress corrosion in ammonia / amine & sulphide environments is an issue.