ASTM A829 – Grade 4140/4142
Exactly the hardness and mechanical strength you need
Grade 4140 and Grade 4142 are quenching and tempering steels in accordance with American codes of practice for the mechanical-engineering and tool-making fields, with a defined hardness range, unlike steels in accordance with the American standard.
The strengths of Grade 4140 and Grade 4142 proprietary steels:
These two quenching and tempering steels in accordance with ASTM A829 are comparable to a 42CrMo4 as specified in EN 10083, Part 3.
Above and beyond the applicable standard, these products are also tested for additional application-specific properties.
We supply Grade 4140 and Grade 4142 entirely to meet your requirements, in various delivery states and with precisely defined hardness ranges, up to plate thicknesses of 300 mm.
These steels convince users with their excellent cleanness and homogenous microstructure, precisely defined hardness and mechanical-strength range in delivery state. These assure low tool wear and good machinability.
Further information
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Head of Sales Department, Machinery & Construction Equipment, Protection
Tel.: +49 6831 472385
Fax: +49 6831 47992681
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Contact
Head of Marketing & Technical Support, Machinery & Construction Equipment, Steel & Service Center, Plate Processing
Tel.: +49 6831 475658
Fax: +49 6831 47999036
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