In the world of metalworking, precision is paramount. At Lucifer Furnaces, we understand that the success of your heat treating process hinges on having accurate and detailed guidelines. That's why we've compiled a comprehensive chart of heat treatment guidelines, tailored specifically for various steel types. This table, a culmination of our over 75 years of expertise in the industry, provides you with the crucial information on hardening temperatures, quenching methods, and more. Whether you're working in aerospace, automotive, or any sector demanding exact metallurgical results, this chart is your roadmap to achieving optimal outcomes in steel treatment.
| Steel | Composition | Harden °F | Temper °F | Anneal °F | Normalize °F | Quench | Atmosphere |
|---|---|---|---|---|---|---|---|
| A2 | Medium Alloy | 1700-1800 | 350-1000 | 1550-1600 | 0 | Air | * Air / Inert |
| A6 | High Carbon | 1800-1875 | 400-1000 | 1600-1650 | 0 | Air | * Air / Inert |
| D2 | High Carbon | 1800-1875 | 400-1000 | 1600-1650 | 0 | Air | * Air / Inert |
| O1 | Oil Harden | 1450-1500 | 350-500 | 1400-1450 | 1600 | Oil | * Air / Inert |
| W1 | Water Harden | 1400-1550 | 350-650 | 1360-1400 | 1450-1600 | Water | * Air / Inert |
| S7 | Shock Resisting | 1650-1750 | 400-1200 | 1500-1550 | 0 | Oil | * Air / Inert / Natural Gas |
| H13 | Hot Work Alloy | 1825-1875 | 1000-1200 | 1550-1650 | 0 | Air / Oil | * Air / Endo. |
| M2 | Molybdenum High Speed | 2150-2250 | 1000-1200 | 1600-1650 | 0 | Air / Oil / Salt | * Air / Endo. |
| T2 | Tungsten High Speed | 2300-2375 | 1000-1100 | 1600-1650 | 0 | Air / Oil / Salt | * Air / Endo. |
| 1040 | Medium Carbon | 1550 | 1550 | 1550 | 1650 | Water | ---- |
| 4130 | Alloy Steel | 1600 | 0 | 1575 | 1625 | Oil | ---- |
| 4140 | Medium Carbon | 1575 | 400-1200 | 1550 | 1600 | Oil | * Air / Dis. Ammonia |
Our heat treatment guidelines chart is more than just numbers and data; it's a reflection of our commitment to excellence and precision in industrial furnace and oven solutions. At Lucifer Furnaces, we strive not only to provide top-tier equipment but also to empower our clients with the knowledge and resources they need to excel in their operations. We hope this chart serves as a valuable tool in your heat treating endeavors, ensuring that each piece of steel is treated with the utmost accuracy for superior performance. Stay tuned to our blog for more insights and user guides, helping you make the most of our advanced heat treating solutions."