AISI 1340H Steel, normalized at 870°C (1600°F), air cooled, 13 mm (0.5 in.) round

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AISI 1340H Steel, normalized at 870°C (1600°F), air cooled, 13 mm (0.5 in.) round
Categories:	Metal; Ferrous Metal; Alloy Steel; Low Alloy Steel; Carbon Steel; AISI 1000 Series Steel; Medium Carbon Steel
Material Notes:	Can be heat treated to meet property requirements. Forms: hot rolled and cold finished bar, cold heading quality wire Applications: construction applications, machined components, high-strength bolts, screws, cap screws, socket screws, recessed-head screws.
Key Words:	UNS H13400, ASTM A304, SAE J1268, DIN 1.5069
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Physical Properties	Metric	English	Comments

Density	7.87 g/cc	0.284 lb/in³	Typical for steel

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	269	269
Hardness, Knoop	294	294	Converted from Brinell
Hardness, Rockwell B	99	99	Converted from Brinell
Hardness, Rockwell C	27	27	Converted from Brinell
Hardness, Vickers	284	284	Converted from Brinell
Tensile Strength, Ultimate	910 MPa	132000 psi
Tensile Strength, Yield	565 MPa	81900 psi
Elongation at Break	20 %	20 %	in 50 mm
Reduction of Area	51 %	51 %
Modulus of Elasticity	200 GPa	29000 ksi	Typical for steel
Bulk Modulus	160 GPa	23200 ksi	Typical for steel
Poissons Ratio	0.29	0.29	Typical For Steel
Machinability	50 %	50 %	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	0.0000174 ohm-cm	0.0000174 ohm-cm	Typical steel

Thermal Properties	Metric	English	Comments
CTE, linear	11.5 µm/m-°C @Temperature 20.0 °C	6.39 µin/in-°F @Temperature 68.0 °F	Typical steel
	12.2 µm/m-°C @Temperature 0.000 - 300 °C	6.78 µin/in-°F @Temperature 32.0 - 572 °F	Typical for steel
	13.9 µm/m-°C @Temperature 0.000 - 500 °C	7.72 µin/in-°F @Temperature 32.0 - 932 °F	Typical for steel
Specific Heat Capacity	0.472 J/g-°C	0.113 BTU/lb-°F	Typical steel
Thermal Conductivity	51.9 W/m-K	360 BTU-in/hr-ft²-°F	Typical steel

Component Elements Properties	Metric	English	Comments
Carbon, C	0.37 - 0.44 %	0.37 - 0.44 %
Iron, Fe	97.09 - 98.03 %	97.09 - 98.03 %	As remainder
Manganese, Mn	1.45 - 2.05 %	1.45 - 2.05 %
Phosphorus, P	<= 0.035 %	<= 0.035 %
Silicon, Si	0.15 - 0.35 %	0.15 - 0.35 %
Sulfur, S	<= 0.040 %	<= 0.040 %

References for this datasheet.

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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M134BB / 7341

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