AISI 1070 Steel, hot rolled, 19-32 mm (0.75-1.25 in) round

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AISI 1070 Steel, hot rolled, 19-32 mm (0.75-1.25 in) round
Categories:	Metal; Ferrous Metal; Carbon Steel; AISI 1000 Series Steel; High Carbon Steel
Material Notes:	Applications include springs for upholstered furniture and automotive seats and backs.
Key Words:	UNS G10700, AMS 5115, ASTM A29, ASTM A510, ASTM A576, ASTM A682, MIL SPEC MIL-S-11713 (2), SAE J403, SAE J412, SAE J414, DIN 1.1231, AFNOR XC 68 (Fr), SS14 1770 (Sweden), SS14 1778 (Sweden)
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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	212	212
Hardness, Knoop	235	235	Converted from Brinell
Hardness, Rockwell B	94	94	Converted from Brinell
Hardness, Rockwell C	16	16	Converted from Brinell hardness. Value below normal HRC range, for comparison purposes only.
Hardness, Vickers	223	223	Converted from Brinell
Tensile Strength, Ultimate	703 MPa	102000 psi
Tensile Strength, Yield	385 MPa	55800 psi
Elongation at Break	12 %	12 %	in 50 mm
Reduction of Area	30 %	30 %
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
Shear Modulus	80.0 GPa	11600 ksi	Typical for steel

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000168 ohm-cm @Temperature 0.000 °C	0.0000168 ohm-cm @Temperature 32.0 °F	condition of specimen unknown
	0.0000230 ohm-cm @Temperature 100 °C	0.0000230 ohm-cm @Temperature 212 °F	condition of specimen unknown

Thermal Properties	Metric	English	Comments
CTE, linear	11.6 µm/m-°C @Temperature 0.000 - 100 °C	6.44 µin/in-°F @Temperature 32.0 - 212 °F
	12.6 µm/m-°C @Temperature 0.000 - 200 °C	7.00 µin/in-°F @Temperature 32.0 - 392 °F
	13.3 µm/m-°C @Temperature 0.000 - 300 °C	7.39 µin/in-°F @Temperature 32.0 - 572 °F
	14.0 µm/m-°C @Temperature 0.000 - 400 °C	7.78 µin/in-°F @Temperature 32.0 - 752 °F
Specific Heat Capacity	0.490 J/g-°C @Temperature >=100 °C	0.117 BTU/lb-°F @Temperature >=212 °F	condition unknown
Thermal Conductivity	51.9 W/m-K	360 BTU-in/hr-ft²-°F	Typical steel

Component Elements Properties	Metric	English	Comments
Carbon, C	0.65 - 0.75 %	0.65 - 0.75 %
Iron, Fe	98.26 - 98.75 %	98.26 - 98.75 %	As remainder
Manganese, Mn	0.60 - 0.90 %	0.60 - 0.90 %
Phosphorus, P	<= 0.040 %	<= 0.040 %
Sulfur, S	<= 0.050 %	<= 0.050 %

References for this datasheet.

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M1070B / 7074

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