AISI 4140 |
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AISI 4140 is a chromium molybdenum quality alloy steel. AISI 4140 is primarily supplied in the hardened and tempered condition to 18-22HRc range. AISI 4140 offers good ductility, shock resisting characteristics combined with resistancee to wear. AISI 4140 is suitable for a variety of applications in the oil and gas sector. This material can be supplied to AISI steel standards
TYPICAL ANALYSIS |
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C. |
Si. |
Mn. |
Cr. |
Mo. |
0.40% |
0.25% |
0.85% |
1.00% |
0.25% |
AISI 4140 18-22HRc Typical Mechanical Properties
Yield
(psi) |
UTS
(psi) |
%
Elongation |
%
Reduction of Area
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Hardness
HRC |
Charpy
room temperature
(average of 3) |
min 80k |
min 100k |
min 20% |
min 40% |
18-22 |
50J |
max 110k |
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Available section
![AISI 4140 steel round bar](index_files/round-bar.jpg) |