Alloy 410 is the basic, general purpose martensitic stainless steel that is used for highly stressed parts and provides good corrosion resistance plus high strength and hardness. Alloy 410 contains a minimum of 11.5% chromium which is just sufficient enough to demonstrate corrosion resistance properties in mild atmospheres, steam, and many mild chemical environments. It is a general purpose grade that is often supplied in the hardened but still machineable condition for applications where high strength and moderate heat and corrosion resistance are required. Alloy 410 displays maximum corrosion resistance when it’s been hardened, tempered, and then polished.
Specifications: UNS S30400 / S30403
Applications requiring moderate corrosion resistance and high mechanical properties are ideal for Alloy 410. Examples of applications that frequently used Alloy 410 include:
|410||0.15 max||1.00 max||1.00 max||0.04 max||0.03 max||min: 11.5
|Grade||Tensile Strength ksi (MPa) min||Yield Strength 0.2% offset ksi (MPa) min||Elongation (% in 50mm) min||Hardness (Brinell) MAX||Hardness (Rockwell B) MAX|
|410||65 (450)||30 (205)||20||217||96|
|Heat Treatment||T410 (0.14%C) Hardened 1800°F (982°C)|
|Rockwell Hardness||0.2% YS, Ksi (MPa)||UTS, Ksi (MPa)|
|Annealed*||81 HRB||45.4 (313)||80.4 (554)|
|Hardened & Tempered 400°F (204°C)||43 HRC||156.1 (1076)||202.9 (1399)|
|Hardened & Tempered 550°F (288°C)||40 HRC||148.3 (1022)||187.0 (1289)|
|Hardened & Tempered 600°F (316°C)||40 HRC||148.8 (1026)||186.1 (1283)|
|Hardened & Tempered 800°F (427°C)||41 HRC||132.9 (916)||188.5 (1300)|
|Hardened & Tempered 900°F (482°C)||41 HRC||122.6 (845)||154.3 (1063)|
|Hardened & Tempered 1000°F (538°C)||35 HRC||127.9 (882)||154.3 (1063)|
|Hardened & Tempered 1200°F (649°C)||98 HRB||85.5 (589)||111.2 (767)|
(BTU/h ft. °F)
(in x 10-6)
(psi x 106
°F x 10-6
|at 68°F: 0.276||14.4 at 212°F||56 at 68°F||29||5.90 at 68 – 392°F||0.11 at 68°F to 212°F||2700 to 2790|
|6.5 at 68 – 1112°F|
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