EN36
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EN36 is an alloy case hardening steel. Characteristics of the steel are toughness arising from the use of nickel and a more uniform hardness produced by the use of chromium. It is specifically designed for carburising to give a very hard case with a strong core.
TYPICAL ANALYSIS |
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C. |
Si. |
Mn. |
Ni. |
Cr. |
0.15% |
0.25% |
0.50% |
3.50% |
0.90% |
Heat Treatment - Carburising TemperatureHeat to 890C/920C and soak for the necessary time to obtain the desired carburised depth.
Single Quench Treatment:
Heat the carburised parts to 800/820C and quench in oil.
Double Quench Treatment:
Heat the carburised parts to 850/880C, cool in oil or air then re heat to 760/780C and quench in oil.
Tempering:
After hardening temper at 150C for 2 hours minimum, and allow to cool in air to give a final surface hardness in the region of Rockwell C60/62.
Condition
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Tensile
Strength
Rm N/mm² |
Elongation
%
5.665ÖSo
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Impact
Izod
J |
Impact
KCV
J
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Hardness
HB
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Test Piece
Size
mm |
BC
Blank Case Hardened |
1100 |
9 |
40 |
35 |
341 |
19 |
Available sections:
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