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Customer castings pages

Malleable cast iron foundry

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ATUSA has more than 75 years experience in the manufacture of malleable cast iron parts for the most competitive markets, offering customized solutions according to the drawings and specifications of each client.

Its great versatility in the production of various materials, qualities and finishes, the flexibility of its facilities and the expertise of its staff, give it the knowledge necessary to advise its clients on the development of customized solutions.

The prestige acquired through its long history has made ATUSA a qualified manufacturer thanks to its engineering, quality and service. The demanding sectors at which its industrial products are aimed and the loyalty of its customers consolidate ATUSA as a reference supplier.

Applications

For castings and / or assemblies, ATUSA is the best option for its clients, who are leaders in the following sectors:

Worldwide presence. ATUSA manufactures in Europe and supplies its customers globally, both in Europe and the rest of the world. As customers of ATUSA are leaders of these industries, the parts manufactured by ATUSA can be found all over the world.

Mechanical Properties of White Heart Malleable Cast Irons

Material designation Nominal diameter
of test piece  d

mm
Tensile Strength minimum

Rm
MPa 

Elongation
minimum

A3,4
%
0,2 % Proof Strength minimum

Rp0,2
MPa 
Brinell hardness
maximum **

HBW
EN-GJMW-360-12* 12 360 12 190 200
EN-GJMW-400-5 12 400 5 220 220
EN-GJMW-450-7 12 450 7 260 220
EN-GJMW-550-4 12 550 4 340 250

* Material most suitable for welding

Mechanical Properties of Black Heart Malleable Cast Irons

Material designation Nominal diameter
of test piece  d

mm
Tensile Strength minimum

Rm
MPa 

Elongation
minimum

A3,4
%
0,2 % Proof Strength minimum

Rp0,2
MPa 
Brinell hardness
maximum **

HBW
EN-GJMB-350-10 12-15 350 10 200 150
EN-GJMB-450-6 12-15 450 6 270 200
EN-GJMB-550-4 12-15 550 4 340 230
EN-GJMB-650-2 12-15 650 2 430 260

** Only for information

Materials

ATUSA produces its parts for customized solutions in malleable cast iron as specified by the EN1562: 2019 standard, which also distinguishes between malleable cast iron with a white heart (white malleable), and malleable cast iron with a black heart (malleable black).

EN 1562-GJMW (white malleable)

Suitable for small wall thicknesses. Ideal for hot dip galvanizing. Excellent performance for welding (GJMW 360-12)

EN 1562-GJMB (black malleable)

Suitable for large wall thicknesses
Easy machining chip removal
Homogeneous metallographic structure

Engineering

Extensive experience in the manufacture of malleable cast iron provides ATUSA with the necessary knowledge to advise the client, from the beginning of the process, in the development of customized solutions, co-designing the parts in close collaboration with the client in order to optimize them in the most complicated and demanding applications, thus satisfying the needs of each client.

Through its qualified staff and technical tools, such as the latest software in the field of calculations and filling simulation, or in the manufacture of utilities and tools for subsequent processes and operations, the test samples and pre-series are designed, manufactured and tested until the optimum result for mass production is achieved.

Productive means

ATUSA has 3 manufacturing plants employing more than 1,000 people in 8 countries, its production capacity is close to 25,000 tons per year. This, together with its wide distribution network, allow it to be a priority supplier in more than 40 countries throughout the world.

In addition to maintaining exceptional quality standards, its modern facilities provide ATUSA with great capacity and flexibility in the production of castings; from 0.1kg to 30 kgs and up to Ø400mm x 130mm in height.

For its manufacturing processes, ATUSA has:

Quality

ATUSA manufactures according to the ISO 9001: 2015 standard Quality assurance. Accordingly, it can offer an optimal quality service, providing its customers with added value while maintaining the aim of achieving excellence in its activity through its policy of continuous improvement. To verify the quality of its products, ATUSA has the most modern and efficient technical means and analysis procedures at the disposal of its experienced staff, who oversee the correct performance of the Quality System, being able to carry out on-site tests of:

And issue the corresponding certificates required by the applicable standards, carry out specific product approvals and all the particular tests requested by customers, resorting, if necessary, to the support of impartial verification entities or external laboratories.

Certifications

Logo certificado IQNet

Logo Aenor Empresa registrada