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The following gray iron and ductile iron grades are very special, they have specific requirement to the Brinell Hardness range, because the hardness property will affect their performance of using, so the manufacturers must control their hardness in the required range.
Gray Cast iron (EN-GJL)
Item according to DIN EN 1561 |
Wall thickness [mm] |
Brinell hardness [HB] |
From |
To |
Min. |
Max. |
EN-GJL-HB 155
EN-JL 2010 |
40
20
10
5
2,5 |
80
40
20
10
5 |
–
–
–
–
– |
155
160
170
185
210 |
EN-GJL-HB 175
EN-JL 2020 |
40
20
10
5
2,5 |
80
40
20
10
5 |
100
110
125
140
170 |
175
185
205
225
260 |
EN-GJL-HB 195
EN-JL 2030 |
40
20
10
5
4 |
80
40
20
10
5 |
120
135
150
170
190 |
195
210
230
260
275 |
EN-GJL-HB 215
EN-JL 2040 |
40
20
10
5 |
80
40
20
10 |
145
160
180
200 |
215
235
255
275 |
EN-GJL-HB 235
EN-JL 2050 |
40
20
10 |
80
40
20 |
165
180
200 |
235
255
275 |
EN-GJL-HB 255
EN-JL 2060 |
40
20 |
80
40 |
185
200 |
255
275 |
Ductile cast iron (EN-GJS)
Item according to DIN EN 1563 |
Brinell Hardness |
Further features [HB] |
Tensile Strength [MPa] |
0,2% Yield Strength [MPa] |
EN-GJS-HB 130
EN-JS 2010 |
under 160 |
350 |
220 |
EN-GJS-HB 150
EN-JS 2020 |
130 – 175 |
400 |
250 |
EN-GJS-HB 155
EN-JS 2030 |
135 – 180 |
400 |
250 |
EN-GJS-HB 185
EN-JS 2040 |
160 – 210 |
450 |
310 |
EN-GJS-HB 200
EN-JS 2050 |
170 – 230 |
500 |
320 |
EN-GJS-HB 230
EN-JS 2060 |
190 – 270 |
600 |
370 |
EN-GJS-HB 265
EN-JS 2070 |
225 – 305 |
700 |
420 |
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