Grey Cast Iron SAE J431 Grade G3500b (UNS F10010)
SAE J431 Grade G3500b is a type of gray cast iron that is used in heavy duty automotive applications. It has a high carbon content, which gives it good strength and wear resistance.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Iron | Remainder | |
| Carbon | 3.4% | |
| Manganese | 0.60% | 0.90% |
| Phosphorus | 0.15% | |
| Silicon | 1.3% | 1.8% |
| Sulfur | 0.12% | |
The following table provides a list of SAE J431 Grade G3500b properties in both SI and US customary/Imperial units.
Click on the icon to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Density | 7150 kg/m3 |
| Mechanical Properties | Metric |
| Tensile Strength (Ultimate) | ≥ 241 MPa |
| Brinell Hardness | 207 - 255 |
| Knoop Hardness Converted from Brinell | 257 |
| Vickers Hardness Converted from Brinell | 243 |
The values in this table are approximate and can vary depending on various factors such as the specific manufacturing process and heat treatment applied to the alloy.
Advantages & Disadvantages of Iron J431 Grade G3500b
| Advantages | Disadvantages |
|---|---|
| Good wear resistance | Low ductility |
| Good thermal conductivity | Low shock resistance |
| Can be easily machined | Brittle behavior under cyclic loading |
| Susceptible to rust and corrosion |
Applications of Iron J431 Grade G3500b
Some of the common applications of Iron SAE J431 Grade G3500b include:
- Brake components, such as rotors and calipers for automotive and heavy-duty applications.
- Engine components, such as diesel engine blocks and cylinder heads.
- Heavy machinery components, such as hydraulic valves and pump housings.
- Gearbox housings and bearing blocks.
- Agricultural equipment components, such as tractor engine blocks and transmission cases.