![Mechanical properties vs hardness for AISI 4140 material - Metal and Metallurgy engineering - Eng-Tips Mechanical properties vs hardness for AISI 4140 material - Metal and Metallurgy engineering - Eng-Tips](https://res.cloudinary.com/engineering-com/image/upload/v1672962164/tips/aisi_4140_pqrwgm.png)
Mechanical properties vs hardness for AISI 4140 material - Metal and Metallurgy engineering - Eng-Tips
![Effect of tempering temperature on mechanical properties and microstructure of AISI 4140 and AISI 4340 tempered steels Effect of tempering temperature on mechanical properties and microstructure of AISI 4140 and AISI 4340 tempered steels](https://www.degruyter.com/document/doi/10.1515/mt-2021-2151/asset/graphic/j_mt-2021-2151_fig_007.jpg)
Effect of tempering temperature on mechanical properties and microstructure of AISI 4140 and AISI 4340 tempered steels
![SOLVED: Compare the hardenability of 8640 steel to 4340 steel: 5 50 1 45 40 30 4340 4140 8640 20 5140 10 12 16 20 22 24 26 28 30 32 Distance from quenched end (sixteenths of an inch) 51 20 Distance from quenched end (mm) SOLVED: Compare the hardenability of 8640 steel to 4340 steel: 5 50 1 45 40 30 4340 4140 8640 20 5140 10 12 16 20 22 24 26 28 30 32 Distance from quenched end (sixteenths of an inch) 51 20 Distance from quenched end (mm)](https://cdn.numerade.com/ask_images/cb0aaeac9a9e4fe38811b01de41699c1.jpg)
SOLVED: Compare the hardenability of 8640 steel to 4340 steel: 5 50 1 45 40 30 4340 4140 8640 20 5140 10 12 16 20 22 24 26 28 30 32 Distance from quenched end (sixteenths of an inch) 51 20 Distance from quenched end (mm)
Jominy standard curves for AISI 4140 steel (0.37 % C; 0.77 % Mn; 0.98 %... | Download Scientific Diagram
![A Metallurgical Investigation of the Effects of Double Tempering on the Hardness, Impact Toughness and Microstructure of AISI 4140 Steel | Semantic Scholar A Metallurgical Investigation of the Effects of Double Tempering on the Hardness, Impact Toughness and Microstructure of AISI 4140 Steel | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/cef8cb6258a0609dc5ec52039e5a73e460290894/36-Figure2119-1.png)