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  4. ASTM A 829 - Grade 4140 / Grade 4142

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.

Heavy-plate products

Normalised fine-grained structural steels

High-strength quenched and tempered fine-grained structural steels

Case-hardening and quenching and tempering steels

Tool and mould steels

Applications

Plastics and Concrete Moulds

Further information

Data sheets & specifications

Feasibility

Product finder and feasibility check (E-Service)

Contact

 Christoph Dickmann
Christoph Dickmann

Head of Sales Department, Machinery & Construction Equipment, Protection

Tel.: +49 6831 472385
Fax: +49 6831 47992681
E-Mail

Dillinger

Contact

 Johannes Klemm
Johannes Klemm

Head of Marketing & Technical Support, Machinery & Construction Equipment, Steel & Service Center, Plate Processing

Tel.: +49 6831 475658
Fax: +49 6831 47999036
E-Mail

Dillinger

Innovative top-quality steel products, total orientation around our customers' needs and unceasing technological development in close cooperation with our partners form the basis of our success - as they have for more than 333 years.

© 2016 Dillinger All rights reserved.

Contact

AG der Dillinger Hüttenwerke
Werkstraße 1
66763 Dillingen/Saar

Tel.: +49 6831 47 0
Fax: +49 6831 47 2212
E-Mail: info@dillinger.biz

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Our newsletter news@dillinger informs you about interesting news and developments at Dillinger – the company, it’s products, examples of steel applications, processing instructions, etc.

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Heavy-plate products
  • Non-alloy structural steels
  • Normalised fine-grained structural steels
  • Thermomechanically rolled fine-grained steels
  • High-strength quenched & tempered fine-grained steels
  • High-temperature steels
  • Cryogenic steels
  • Weathering-resistant steels
  • Case-hardening & quenching & tempering steels
  • Security steels
  • Tool & mould steels
  • Wear-resistant steels
  • Sour-gas-resistant steels
  • Offshore steels
  • Linepipe steels
Applications
  • Steel Construction
  • Hydropower Engineering
  • Pressure Vessels
  • Earthmoving Machinery & Mining
  • Mechanical Engineering
  • Offshore Oil & Gas
  • Large Diameter Pipes
  • Shipbuilding & Jackup
  • Plastics and Concrete Moulds
  • Wind Power
  • Protection
  • Steel & Service Center and Plate Processing
Proprietary steels
  • DILLIDUR
  • DILLIMAX
  • DI-MC
  • DIWETEN
  • DICREST
  • DIWA
  • DILLINAL
  • DIROS
  • DIMO
  • DIFENDER
  • DICUT
  • DI-RACK
  • DIGEAR
  • DI-TANK
  • DIWIND
  • Other steels
Plates on stock and steel services
  • Heavy plate services ex stock
  • Heavy plate services ex mill
By-products & Chemical laboratrory
  • By-products
  • Chemical laboratrory services