Made-to-measure Formulation

We also manufacture materials that exceed the DIN/EN quality requirements. Our engineers recommend the optimum material selection for your requirements on the basis of load calculations.

Hand-mould castings – cast iron with acicular graphite cast iron (grey cast iron)

Wall thicknesses in mm Wall thicknesses in mm
Material designations as per EN 1561 2.5-5 5-10 2.5-5 20-40 40-80 80-150 2.5-5 5-10 10-20 20-40 40-80 80-150
Tensile strength Rm in N/mm2 Hardness (in one piece) in HB
EN-GJL-150
EN-JL 1020*
150 -250 150 -250 150 -250 170 -260 140 -225 125 -205
EN-GJL-200
EN-JL 1030*
200 -300 200 -300 200 -300 200 -300 170 -160 150 -230 135 -210 120 -195
EN-GJL-250
EN-JL 1040*
250 -300 250 -350 250 -350 180 -255 160 -235 145 -215
EN-GJL-300
EN-JL 1050*
300 -400 300 -400 min. 210 180 -255 165 -235
*EN material no. Standard values shown in bold type Recommended type selection
Mechanical properties (measured on separately cast test pieces, Ø 30mm)
Material designations as per EN 1561 EN-GJL150 EN-GJL-200 EN-GJL-250 EN-GJL-300
Matrix Ferrite/pearlite Pearlite Pearlite Pearlite
Tensile strength N/mm2 150 to 250 200 to 300 250 to 350 300 to 400
Brinell hardness HBW 105 to 205 150 to 230 180 to 255 200 to 275
0.1% proof strength N/mm2 98 to 165 130 to 195 165 to 228 195 to 260
Elongation to fracture % 0.8 to 0.3 0.8 to 0.3 0.8 to 0.3 0.8 to 0.3
Compressive strength N/mm2 600 720 840 960
Flexural strength N/mm2 250 290 340 390
Modulus of elasticity (load-dependent) kN/mm2 78 to 103 88 to 113 103 to 118 108 to 137
Fatigue strength under reversed bending stress N/mm2 70 90 120 140
Compression-tention fatigue strength N/mm2 40 50 60 75
Fracture toughness MPa√m
12 17 20 19
Physical properties
Material designations as per EN 1561 EN-GJL150 EN-GJL-200 EN-GJL-250 EN-GJL-300
Density kg/dm3 7.10 7.15 7.20 7.25
Specific heat capacity J/(kg · K) 20 - 200 °C: 460 20 - 600 °C: 535
Coefficient of thermal expansion 10-6 K-1 20 - 200 °C: 11.720 - 400 °C: 13.0
Thermal conductivity
(100 - 500 °C)
W/(m · K) 52.5 - 48.5 50.0 - 46.0 48.5 - 44.5 47.5 - 43.0
Electrical resistivity µΩ · m 0.80 0.77 0.73 0.7

Hand-mould castings – Cast iron with spheroidal graphite cast iron (nodular graphite iron)

Material designations as per EN 1563 EN-GJS- 350-22-LT 400-18-LT 400-18 400-15 500-7 600-3 700-2
EN material no. EN-JS- 1015 1025 1020 1030 1050 1060 1070
1019 1049 1062 1072 1082 1092 1102
Predominant matrix Ferrite Ferrite/Pearlite Pearlite
Mechanical properties (measured on separately cast test pieces for significant wall thickness t < 30 mm)
Tensile strength N/mm2 350 400 400 400 500 500 700
0.2% proof strength N/mm2 220 240 250 250 320 370 420
Elongation to fracture % 22 18 18 15 7 3 2
Notch impact energy J - 40 °C 12/9 12/9 -20 °C avarage value from 3 tests/single value
Brinell hardness HBW < 170 120-175 120-180 120-180 170-240 180-260 220-300
Modulus of elasticity kN/mm2 169 169 169 169 169 174 176
Fatigue strength (Wöhler) N/mm2 180 195 195 200 224 248 280
Fracture thoughness MPa√m 31 30 30 30 25 20 15
Physical properties
Density kg/dm3 7.1 7.1 7.1 7.1 7.1 7.2 7.2
Specific heat capacity
20 °C - 550 °C
J/(kg · K) 515 515 515 515 515 515 515
Thermal coefficient of expansion
20 °C - 400 °C
10-6 K-1 12.5 12.5 12.5 12.5 12.5 12.5 12.5
Thermal conductivity at 300 °C W/(m · K) 36.2 36.2 36.2 36.2 35.2 35.2 31.1
Electrical resistivity µΩ · m 0.50 0.50 0.50 0.50 0.51 0.53 0.54

Wear-resistant chromium-nickel cast iron (NiHard)

Material designation Brinell hardnessChemical composition in %
HBW                                        (mass fractions)
SymbolNumbermin.CSiMnPSNiCr
EN-GJN-HB5555.56055552.5 to 3.51.5 to 2.50.3 to 0.8max. 0.08max 0.084.5 to 6.58.0 to 10.0

Wear-resistant cast iron with a high chromium content

Material designationChemical composition in %Brinell hardness
(mass fractions)HBW
SymbolNumberCSiMnPSCrNiMoCumin.
EN-GJN-HB555(XCr14)5.5608> 1.8 to 3.6max. 1.00.5 to 1.5max. 0.08max 0.08

14.0 to 18.0

max. 2.0

max. 3.0

max. 1.2550

Solid solution-strengthened ferritic cast iron (as per EN 1563)

Material symbolEN-GJS-450-18EN-GJS-500-14
Material number5.31085.3109
Tensile strengthRmN/mm2≥ 450≥ 500
0.2% proof strengthRp0.2N/mm2≥ 350≥ 400
Elongation of elasticityA%≥ 18≥ 14
Modulus of elasticityEGN/m2≥ 170≥170
Hardness 1)HBW170-200185 - 215
Material designationSignificant wall thickness0.2% proof strengthTensile strengthElongation
tRp0.2RmA
mmN/mm2N/mm2%
SymbolNumberminminmin
EN-GJS-450-185.3108t ≤ 3035045018
30 ≤ t ≤ 6034043014
t > 60to be agreed between the manufacturer and purchaser
EN-GJS-500-145.3109t ≤ 3040050014
30 ≤ t ≤ 6039048014
t > 60to be agreed between the manufacturer and purchaser