|
DIN 1691 for Grey Iron
DIN 1691 - 1985 is an old
standard for grey iron, however, many
designers are still using it as the
standard for the tensile strength and
hardness of grey cast iron. So, herein,
we listed the main content of this
standard for your reference.
Grade and mechanical properties of Grey
Iron
|
Grade |
Material No
W-Nr. |
Thickness
/mm |
Tensile strength |
The forecasting mechanical
properties of casting |
|
Cast integral specimen
σb/Mpa |
Attached specimen barσb≥/Mpa |
Tensile strength
σb≥/Mpa |
Hardness
HBS |
|
GG-10 |
0.6010 |
5~40 |
≥100 |
- |
- |
- |
|
GG-15 |
0.6015 |
2.5~5
5~10
10~20
20~40
40~80
80~150
150~300 |
150~250 |
-
-
-
120
110
100
90 |
180
155
130
110
95
80
- |
270
245
225
205
-
-
- |
|
GG-20 |
0.6020 |
2.5~5
5~10
10~20
20~40
40~80
80~150
150~300 |
200~300 |
-
-
-
170
150
140
130 |
230
205
180
155
130
115
- |
285
270
250
235
-
-
- |
|
GG-25 |
0.6025 |
5~10
10~20
20~40
40~80
80~150
150~300 |
250~350 |
-
-
210
190
170
1660 |
250
225
195
170
155
- |
285
265
250
-
-
- |
|
GG-30 |
0.6030 |
10~20
20~40
40~80
80~150
150~300 |
300~400 |
-
250
220
210
190 |
270
240
210
195
- |
285
265
-
-
- |
|
GG-35 |
0.6035 |
10~20
20~40
40~80
80~150
150~300 |
350~450 |
-
290
260
230
210 |
315
280
250
225
- |
280
275
-
-
- |
The guaranteed value of hardness of gray
castings on arranged position
|
Hardness grade |
Material No
W-Nr. |
Thickness /mm |
Hardness HBS30 |
|
＞ |
≤ |
＞ |
≤ |
|
GG-150HBS |
0.6012 |
2.5
5
10
20
40 |
5
10
20
40
80 |
-
-
-
-
- |
210
185
170
160
150 |
|
GG-170HBS |
0.6017 |
2.5
5
10
20
40 |
5
10
20
40
80 |
170
140
125
110
100 |
260
225
205
185
170 |
|
GG-190HBS |
0.6022 |
4
5
10
20
40 |
5
10
20
40
80 |
190
170
150
135
120 |
275
260
230
210
190 |
|
GG-220HBS |
0.6027 |
5
10
20
40 |
5
10
20
40
80 |
200
180
160
145 |
275
250
235
220 |
|
GG-240HBS |
0.6032 |
10
20
40 |
10
20
40
80 |
200
180
165 |
275
255
240 |
|
GG-260HBS |
0.6037 |
20
40 |
20
40
80 |
200
185 |
275
260 |
Home |
More Articles |
