AISI 6150 Steel, oil quenched 845°C (1550°F), 650°C (1200°F) temper, 100 mm (4 in.) round

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AISI 6150 Steel, oil quenched 845°C (1550°F), 650°C (1200°F) temper, 100 mm (4 in.) round
Categories:	Metal; Ferrous Metal; Alloy Steel; AISI 6000 Series Steel; Low Alloy Steel; Carbon Steel; Medium Carbon Steel
Material Notes:	Oil quenched from 845°C, 650°C (1200°F) temper, 100 mm round. Applications: Automotive leaf springs; also valve springs, piston rods, pump parts, and spline shafts. AISI 6150 and 6150H are directly hardenable to a medium level of hardness.
Key Words:	AFNOR 50 CV 4 (Fr), UNI 50 CrV 4, JIS SUP 10, SS14 2230 (Sweden), B.S. 735 A 50, B.S. En. 47, ASTM A505, MIL-SPEC MIL-S-8503, SAE J404, SAE J412, SAE J770, DIN 1.8159, UNS G61500, AMS 6448, AMS 6450, AMS 7301, ASTM A231, ASTM A322, ASTM A331
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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	241	241
Hardness, Knoop	265	265	Converted from Brinell
Hardness, Rockwell B	97	97	Converted from Brinell
Hardness, Rockwell C	22	22	Converted from Brinell
Hardness, Vickers	254	254	Converted from Brinell
Tensile Strength, Ultimate	841 MPa	122000 psi
Tensile Strength, Yield	650 MPa	94300 psi
Elongation at Break	21 %	21 %	in 50 mm
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	55 %	55 %	annealed and cold drawn. Based on 100% machinability for AISI 1212 steel.
Shear Modulus	80.0 GPa	11600 ksi	Typical for steel.

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000234 ohm-cm	0.0000234 ohm-cm	Typical steel

Thermal Properties	Metric	English	Comments
Specific Heat Capacity	0.475 J/g-°C	0.114 BTU/lb-°F	Typical steel
Thermal Conductivity	46.6 W/m-K	323 BTU-in/hr-ft²-°F	Typical steel

Component Elements Properties	Metric	English	Comments
Carbon, C	0.48 - 0.53 %	0.48 - 0.53 %
Chromium, Cr	0.80 - 1.1 %	0.80 - 1.1 %
Iron, Fe	97.095 - 97.72 %	97.095 - 97.72 %	As remainder
Manganese, Mn	0.70 - 0.90 %	0.70 - 0.90 %
Phosphorus, P	<= 0.035 %	<= 0.035 %
Silicon, Si	0.15 - 0.30 %	0.15 - 0.30 %
Sulfur, S	<= 0.040 %	<= 0.040 %
Vanadium, V	>= 0.15 %	>= 0.15 %

References for this datasheet.

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M615AQ / 8239

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