Low Alloy Steel ASTM A148 Gr 105-85
Chemical Composition
| Element | Symbol | Average Preferred Range % |
|---|---|---|
| Carbon | C | 0.2-0.3 |
| Manganese | Mn | 0.6-0.9 |
| Silicon | Si | 0.6 |
| Nickel | Ni | 0.4-0.8 |
| Chromium | Cr | 0.4-0.8 |
| Molybdenum | Mo | 0.15-0.30 |
| Iron | Fe | Balance |
Mechanical Properties
| Property | Metric Values | Imperial Values |
|---|---|---|
| Tensile Strength Min | 105 ksi | 725 MPa |
| Yield Strength Min | 85 ksi | 585 MPa |
| Elongation Min % | 17% | 17% |
| Hardness (Brinell) | 229-285HB | 229-285HB |
Comparative Specifications
- ASTM / SAE: A148 Gr 105-85 / SAE 148 105-85
- EN (EU/US) / BS (British Standard): EN10293 / EN10283 / BS 3100 A6
- ISO (International) / UNS: ISO 4990:2015 / D50850
Applicable Casting Processes
- Chemically Bonded Sand Casting
- Investment Casting
- Shell Casting
Steels
Low Alloy Steels
Hadfield Steel /
Manganese Steel
Manganese Steel
Carbon Steels
Need Help Selecting the Right Steel Alloy for Your Application?
At Sumukh, our experienced engineering and metallurgy team helps clients choose the most suitable steel alloy based on project requirements, performance expectations, and operating conditions. From material selection to final production, we ensure every casting delivers reliability, strength, and long-term performance.
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- Dedicated in-house engineering and metallurgy support
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- Material selection based on mechanical properties, durability, wear resistance, heat resistance, weight, and cost efficiency


