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Cast iron

Cast iron in its best shape

Cast iron, like steel, is a cast iron material. Its most important properties are a high degree of wear-resistance and tensile strength, as well as corrosion and temperature resilience.

Cast iron – our methods:

  • Machine-moulded sand casting from 0.5 – 300 kg
  • Hand-moulded sand casting up to 5,000 kg
  • Commercial high-precision casting in to “wax-loss procedure” from 0.1 – 300 kg

Grey cast iron – Brief overview of the advantages:

  • Good sliding properties
  • Very high wear-resistance
  • Extraordinarily good dampening properties
  • Suitable for difficult-to-shape thin-walled workpieces

Spherical cast iron – Brief overview of the advantages:

  • High tensile strength
  • High material strength
  • Very good tensile properties

For an overview of the cast iron qualities available from us, see the table and the material designations according to DIN EN-1561.

Technical notes

EN material no.

Wall thicknesses Properties SI-unit EN-GJL-150
EN-JL 1020
EN-GJL-200
EN-JL-1030
EN-GJL-250
EN-JL 1040
EN-GJL-300
EN-JL 1050
EN-GJL-350
EN-JL 1065
2,5 bis
5 mm
Tensile resistance Rm
Hardness in one piece
N/mm²
HB
150 – 250
170 – 260
       
5 bis
10 mm
Tensile resistance Rm
Hardness in one piece
N/mm²
HB
150 – 250
140 – 225
200 – 300
170 – 260
     
10 bis
20 mm
Tensile resistance Rm
Hardness in one piece
N/mm²
HB
150 – 250
125 – 205
200 – 300
150 – 230
250 – 300
180 – 255
   
20 bis
40 mm
Tensile resistance Rm
Hardness in one piece
N/mm²
HB
  200 – 300
135 – 210
250 – 350
160 – 235
300 – 400 350 – 450
40 bis
80 mm
Tensile resistance Rm
Hardness in one piece
N/mm²
HB
  200 – 300
120 – 195
250 – 350
145 – 215
180 – 255
300 – 400
200 – 275
350 – 450
80 bis
150 mm
Tensile resistance Rm
Hardness in one piece
N/mm²
HB
      165 – 235
min. 190
185 – 255
min. 210