GGG60 has a predominantly pearlitic structure. It is a strong material which can be machined relatively easily in cast form. It combines high abrasion resistance with high strength, but does not perform as well as GGG50 in terms of elongation. It is a general-purpose material, which can be surface-hardened.
The applications for which GGG60 is suitable include forging dies, rotors, shafts, gear cogs, crane pulleys, running wheels, cable sheaves, high pressure valves for gas and water, pumps and lift pulleys.
Standards / designations
| EN 1563 SYM (EU) | EN-GJS-600-3 | ||
|---|---|---|---|
| EN 1563 NR (EU) | EN-JS1060 | ||
| DIN 1693 (DE) | GGG60 | ||
| WERKSTOFFNUMMER (DE) | 0.7060 | ||
| ASTM A536-584 (US) | 80/60/03 | ||
| ALT | GGG 60, GGG-60 | ||
Mechanical properties
| Tensile strength | Rm | 600 | [N/mm2] |
|---|---|---|---|
| Yield point | σ 0.2B | 380 | [N/mm2] |
| Elongation | A | 3 | [%] |
| Brinell hardness | HB30 | 190-270 | |
| Elasticity modulus | Eo | 174 | [kN/mm2] |
| Notch impact strength | Av | – | [Joule] |
| Compressive strength | σ dB | 1000 | [N/mm2] |
| Shear stress | σaB | 540 | [N/mm2] |
| Ferrite content | – | 20-60 | [%] |
| Nodularity type I+II | – | min. 85 | [%] |
Chemical composition
| Carbon | C | 3.4-3.85 | [%] |
|---|---|---|---|
| Silicon | Si | 2.3-3.1 | [%] |
| Manganese | Mn | 0.1-0.3 | [%] |
| Sulphur | S | 0.02 max. | [%] |
| Phosphorus | P | 0.10 max. | [%] |
| Iron | Fe | Remainder | |
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