AISI E9310H Steel, mock carburized, 790°C (1450°F) reheat, 230°C (450°F) temper, 25 mm (1 in.) round

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AISI E9310H Steel, mock carburized, 790°C (1450°F) reheat, 230°C (450°F) temper, 25 mm (1 in.) round
Categories:	Metal; Ferrous Metal; Alloy Steel; AISI 9000 Series Steel; Low Alloy Steel; Carbon Steel; Low Carbon Steel
Material Notes:	Mock carburized at 925°C for 8 hours, 790°C reheat, oil quenched, 230°C temper, 25 mm round. Post oil quenched hardness 40 HRC surface, 38 HRC half-radius, 37 HRC center
Key Words:	UNS H93100, ASTM A304, SAE J1268
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Physical Properties	Original Value	Comments

Density	7.85 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Brinell	321
Hardness, Knoop	348	Converted from Brinell
Hardness, Rockwell B	99	Converted from Brinell
Hardness, Rockwell C	35	Converted from Brinell hardness value.
Hardness, Vickers	339	Converted from Brinell hardness value.
Tensile Strength, Ultimate	1089 MPa
Tensile Strength, Yield	848 MPa
Elongation at Break	16 %	in 50 mm
Modulus of Elasticity	200 GPa	Typical for steel
Bulk Modulus	160 GPa	Typical for steel.
Poissons Ratio	0.29	Calculated
Machinability	50 %	hot rolled and cold drawn. Based on 100% machinability for AISI 1212 steel.
Shear Modulus	80.0 GPa	Typical for steels.

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000174 ohm-cm	Estimated

Thermal Properties	Original Value	Comments
CTE, linear	11.5 µm/m-°C @Temperature 20.0 °C	Estimated
	12.2 µm/m-°C @Temperature 250 °C	Estimated
	13.9 µm/m-°C @Temperature 500 °C	Estimated
	14.7 µm/m-°C @Temperature 1000 °C	Estimated
Specific Heat Capacity	0.472 J/g-°C	Estimated
Thermal Conductivity	51.9 W/m-K	Typical steel

Component Elements Properties	Original Value	Comments
Carbon, C	0.070 - 0.13 %
Chromium, Cr	1.0 - 1.45 %
Iron, Fe	93.67 - 95.35 %	As remainder
Manganese, Mn	0.40 - 0.70 %
Molybdenum, Mo	0.080 - 0.15 %
Nickel, Ni	2.95 - 3.55 %
Silicon, Si	0.15 - 0.30 %
Sulfur, S	<= 0.050 %

References for this datasheet.

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M931CQ / 8694

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