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Heat Treating Steel - A User Guide

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

Conclusion

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."