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Cast iron with lamellar graphite
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Cast iron with lamellar graphite
| Cast type |
Cast iron with lamellar graphite |
| Material No. |
EN-JL-1030 |
| US standard (AISI) |
No. 20 B |
| DIN EN 10027-2 |
5.1300 |
| Abbreviation |
EN-GJL-200 |
| Old designation |
GG20
DIN 1561 |
Composition
[%] |
C: 2.95 – 3.45
Si: 2.10 – 2.90
Mn: 0.55 – 0.75
P: 0.10 – 0.20
S: 0.04 – 0.07 |
| Density [g/cm³] |
7.15 |
R0.2 N/mm²
Yield strength |
- |
0.1% Elongation limit
Rp0.1 N/mm² |
130-195 |
Tensile strength
Rm [N/mm²] |
200 – 300 |
Brinell hardness HB30
Sample <30 mm |
180-220 |
| Elongation after fracture A% |
0.8 – 0.3 |
| Elastic modulus E kN/mm² |
88 – 113 |
| Compressive strength Sdb N/mm² |
720 |
| Workability |
Very good |
| Weldability |
Limited, can be welded with special electrodes |
| Compressive strength |
Good |
| Emergency-running properties |
Good |
| Thermal conductivity |
Good |
| Vibration-absorbing properties |
Good |
| Castability |
Very good |
| Other properties |
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| Structure |
Ferritic/pearlitic |
| Main uses |
For complicated workpieces with a lot of contours, very versatile
Machine frames, gearboxes, bearing housing, pumps, general machine construction
Recommended wall thicknesses:
up to 20 mm, fittings, pumps, parts for general machine construction,
palm grips, star grips |
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| This information is for reference only; we do not assume any liability for its accuracy. The properties of steel materials are highly dependent on their thermal and/or mechanical treatment. |
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