Low Alloy Steel A148 Gr 135-125
Chemical Composition
| Element | Symbol | Average Preferred Range % |
|---|---|---|
| Carbon | C | 0.25-0.35 |
| Manganese | Mn | 0.6-0.95 |
| 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 | 135 ksi | 930 MPa |
| Yield Strength Min | 125 ksi | 860 MPa |
| Elongation Min % | 9% | 9% |
| Hardness (Brinell) | 269-311HB | 269-311HB |
Comparative Specifications
- ASTM / SAE: A148 Gr 135-125 / SAE 148 135-125
- UNS: D51250
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.
Our Metallurgical Expertise Includes:
- Dedicated in-house engineering and metallurgy support
- Detailed evaluation of application and performance requirements
- Material selection based on mechanical properties, durability, wear resistance, heat resistance, weight, and cost efficiency
