GG25
GREY CAST IRON RODS |
|
Material No: GG25 - DDL25 |
| Chemical Analysis % |
|
| C |
Si |
Mn |
S |
P |
Balance |
|
| 2.90-3.65 |
1.80-2.90 |
0.5-0.7 |
0.1 max. |
0.3 max. |
Balance |
|
|
| Material Description |
|
In addition to good machinability and excellent surface quality, it offers high strength and wear resistance. |
| Applications |
Not suitable for hardening by heat treatment. Resistant up to 620 bar pressure at 2 mm wall thickness. |
| Mechanical Properties |
| Tensile Strength | 250 N / mm2 |
| Yield Strength | %0.01 163 N / mm2 |
| Hardness | 180-220HB |
| Elastic Modulus | 120 N / mm2 |
| Fatigue Limit | 115 N / mm2 |
| Vibration Damping | %28 |
|
| Physical Properties |
| Specific Gravity | 7.2 g / m3 |
| Typical Microstructure | Ferrite 5%, Pearlite 95% |
| Conductivity | 20-100 C 48 watt / m C |
| Coefficient of Thermal Expansion | 20-100 C 11.10 - 6 / m C |
|
