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  Special Cast Iron Grades for Hardness Property  
 

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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