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Technical Data - 817M40 - EN24
817M40 - EN24
Related Specifications - SAE 4340, 1.6582, 34CrNiM06
817M40 - EN24 is a high tensile Alloy Steel
Chemical
Analysis |
Element
|
C |
Si |
Mn |
Cr |
Mo |
Ni |
Percentage |
0.36 / 0.44 |
0.10 / 0.35 |
0.45 / 0.70 |
1.00 / 1.40 |
0.20 / 0.35 |
1.30 / 1.70 |
Material is usually supplied hardened &
tempered in the T condition in which state it is readily machineable.
It offers good through hardenability, high tensile strength
and toughness.
Mechanical
Properties |
Tensile |
Yield |
Elongation |
Impact |
Hardness |
N/mm² |
N/mm² |
% |
Izod J
|
HB |
850 / 1000 |
650 min |
13 min |
40 min |
248 / 302 |
Above properties are for steel hardened and
tempered to 55/65 tons tensile (T condition)
Main Uses : Gears, Journals, Pinions, Spindles, Shafts and
Rolls
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