AISI 4130H Steel, normalized at 870°C (1600°F)

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AISI 4130H Steel, normalized at 870°C (1600°F)
Categories:	Metal; Ferrous Metal; Alloy Steel; AISI 4000 Series Steel; Low Alloy Steel; Carbon Steel; Medium Carbon Steel
Material Notes:	A very common general purpose grade of medium carbon, Cr-Mo steel. Flexibility afforded by heat treatment options allows it to attain a range of toughness and strength values. Good hardenability, strength, wear resistance, toughness, and ductility.
Key Words:	AFNOR 25 CD 4 (S), JIS SCM2, JIS SCCrM 1, SS14 2225 (Sweden), alloy steels, UNS H41300, ASTM A304, SAE J1268, DIN 1.7218, medium carbon steels, chromium-molybdenum, chrome-moly
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Physical Properties	Original Value	Comments

Density	7.85 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Brinell	197
Hardness, Knoop	219	Converted from Brinell
Hardness, Rockwell B	92	Converted from Brinell
Hardness, Rockwell C	13	Converted from Brinell hardness. Value below normal HRC range, for comparison purposes only.
Hardness, Vickers	207	Converted from Brinell
Tensile Strength, Ultimate	670 MPa
Tensile Strength, Yield	435 MPa
Elongation at Break	25.5 %	in 50 mm
Reduction of Area	56 %
Modulus of Elasticity	205 GPa	Typical for steel
Bulk Modulus	160 GPa	Typical for steel
Poissons Ratio	0.29	Calculated
Machinability	70 %	annealed and cold drawn. Based on 100% machinability for AISI 1212 steel.
Shear Modulus	80.0 GPa	Typical for steel
Izod Impact	87.0 J

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000223 ohm-cm @Temperature 20.0 °C	specimen hardened and tempered
	0.0000271 ohm-cm @Temperature 100 °C	specimen hardened and tempered
	0.0000342 ohm-cm @Temperature 200 °C	specimen hardened and tempered
	0.0000529 ohm-cm @Temperature 400 °C	specimen hardened and tempered
	0.0000786 ohm-cm @Temperature 600 °C	specimen hardened and tempered
	0.0001103 ohm-cm @Temperature 800 °C	specimen hardened and tempered
	0.0001171 ohm-cm @Temperature 1000 °C	specimen hardened and tempered
	0.0001222 ohm-cm @Temperature 1200 °C	specimen hardened and tempered

Thermal Properties	Original Value	Comments
Specific Heat Capacity	0.477 J/g-°C @Temperature >=100 °C
	0.523 J/g-°C @Temperature 150 - 200 °C
	0.837 J/g-°C @Temperature 750 - 800 °C
Thermal Conductivity	30.1 W/m-K @Temperature 1200 °C
	40.7 W/m-K @Temperature 300 °C
	42.7 W/m-K @Temperature 100 °C

Component Elements Properties	Original Value	Comments
Carbon, C	0.27 - 0.33 %
Chromium, Cr	0.75 - 1.2 %
Iron, Fe	97.1 - 98.38 %	As remainder
Manganese, Mn	0.30 - 0.70 %
Molybdenum, Mo	0.15 - 0.25 %
Phosphorus, P	<= 0.035 %
Silicon, Si	0.15 - 0.35 %
Sulfur, S	<= 0.040 %

References for this datasheet.

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M4130Y / 7510

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