Carbodur 7131 Blank Hardened

Alternative and trade names
Carbodur 7131, 1.7131, 16MnCr5
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Description

1.7131 (16MnCr5) is a case hardening steel which used for gear parts and other parts of mechanical engineering, which are case hardened after machining.

Related Standards

Equivalent Materials

This material data has been provided by Deutsche Edelstahlwerke Specialty Steel (DEW).

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.

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Properties

General

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Dimension

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Mechanical

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Thermal

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Electrical

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Chemical properties

Property

Carbon

0.14 - 0.19 %

Chromium

0.8 - 1.1 %

Iron

Balance

Manganese

1 - 1.3 %

Phosphorus

0.03 %

Silicon

0.4 %

Sulfur

0.035 %

Technological properties

Property
Application areas

It is used for gear parts and other parts of mechanical engineering.

Heat Treatment

Soft annealing: 650-700°C, Case Hardening: 880-980°C (Oil, Polymer), Direct hardening: 880-980°C (Oil, Polymer), Core Hardening: 860-900°C (Oil, Polymer), Surface hardening: 780-820°C (Oil, Polymer), Tempering: 150-200°C (Air)

Hot forming

It is formable at 850-1100°C.

Processing history

Blank Hardened

Welding

It is usually weldable.