AISI 4615 Steel

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AISI 4615 Steel
Categories:	Metal; Ferrous Metal; Alloy Steel; AISI 4000 Series Steel; Low Alloy Steel; Carbon Steel; Low Carbon Steel
Key Words:	alloy steels, UNS G46150, AMS 6290; ASTM A322, ASTM A331, ASTM A505; Mil SPEC MIL-S-7493 (A4615); SAE J404; SAE J412; SAE J770
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Physical Properties	Metric	English	Comments

Density	7.85 g/cc	0.284 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	170 - 212	170 - 212
Hardness, Knoop	213	213	Converted from Brinell
Hardness, Rockwell B	91	91
Hardness, Rockwell C	11	11	Converted from Brinell hardness. Value below normal HRC range, for comparison purposes only.
Hardness, Vickers	200	200	Converted from Brinell
Modulus of Elasticity	205 GPa	29700 ksi	Typical for steel
Bulk Modulus	160 GPa	23200 ksi	Typical for steel.
Poissons Ratio	0.29	0.29	Calculated
Machinability	65 %	65 %
Shear Modulus	80.0 GPa	11600 ksi	Typical for steel.

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000249 ohm-cm @Temperature 21.0 °C	0.0000249 ohm-cm @Temperature 69.8 °F
	0.0000296 ohm-cm @Temperature 100 °C	0.0000296 ohm-cm @Temperature 212 °F
	0.0000371 ohm-cm @Temperature 200 °C	0.0000371 ohm-cm @Temperature 392 °F

Thermal Properties	Metric	English	Comments
CTE, linear	11.0 µm/m-°C @Temperature 20.0 °C	6.11 µin/in-°F @Temperature 68.0 °F
	13.0 µm/m-°C @Temperature 250 °C	7.22 µin/in-°F @Temperature 482 °F
	14.0 µm/m-°C @Temperature 500 °C	7.78 µin/in-°F @Temperature 932 °F
Specific Heat Capacity	0.475 J/g-°C	0.114 BTU/lb-°F	Typical 4000 series steel
Thermal Conductivity	44.5 W/m-K	309 BTU-in/hr-ft²-°F	Typical steel

Component Elements Properties	Metric	English	Comments
Carbon, C	0.13 - 0.18 %	0.13 - 0.18 %
Iron, Fe	96.495 - 97.42 %	96.495 - 97.42 %	As remainder
Manganese, Mn	0.45 - 0.65 %	0.45 - 0.65 %
Molybdenum, Mo	0.20 - 0.30 %	0.20 - 0.30 %
Nickel, Ni	1.65 - 2.0 %	1.65 - 2.0 %
Phosphorus, P	<= 0.035 %	<= 0.035 %
Silicon, Si	0.15 - 0.30 %	0.15 - 0.30 %
Sulfur, S	<= 0.040 %	<= 0.040 %

References for this datasheet.

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M4615A / 7869

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