Ductile Iron SAE J434c Grade D4018 (UNS F32800)
Iron SAE J434c Grade D4018 is a type of ductile iron that is used in a variety of applications, including moderately stressed parts requiring good ductility and machinability.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Iron | 90.738% | 94.175% |
| Carbon | 3.2% | 4.1% |
| Cerium | 0.005% | 0.20% |
| Chromium | 0.03% | 0.07% |
| Copper | 0.15% | 1.0% |
| Magnesium | 0.03% | 0.06% |
| Manganese | 0.10% | 1.0% |
| Molybdenum | 0.01% | 0.10% |
| Nickel | 0.05% | 0.20% |
| Phosphorus | 0.015% | 0.10% |
| Silicon | 1.8% | 3.0% |
| Sulfur | 0.005% | 0.035% |
The following table provides a list of SAE J434c Grade D4018 properties in both SI and US customary/Imperial units.
Click on the icon to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Density | 7100 - 7200 kg/m3 |
| Mechanical Properties | Metric |
| Tensile Strength (Ultimate) | ≥ 414 MPa |
| Tensile Strength (Yield) | ≥ 276 MPa |
| Brinell Hardness | ≤ 170 |
| Knoop Hardness Converted from Brinell | 189 |
| Vickers Hardness Converted from Brinell | 177 |
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 J434c Grade D4018
| Advantages | Disadvantages |
|---|---|
| Good strength | Can be expensive |
| Good ductility | Can be difficult to weld |
| Good machinability | Can be prone to cracking |
| Wide range of applications |
Applications of Iron J434c Grade D4018
Iron SAE J434c Grade D4018 is a versatile material with a good balance of strength, ductility, and machinability. Some common applications of SAE J434c Grade D4018 include:
- Steering knuckles
- Engine blocks
- Gearboxes
- Machine tools
- Dies
- Agricultural equipment
- Construction equipment
- Mining equipment
- Transportation equipment