AISI 1022 Steel, heat treated, reheated to 800°C, 25 mm (1 in.) round

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AISI 1022 Steel, heat treated, reheated to 800°C, 25 mm (1 in.) round
Categories:	Metal; Ferrous Metal; Carbon Steel; AISI 1000 Series Steel; Low Carbon Steel
Material Notes:	Applications include low-strength fasteners, die pins, motor spindles, and recessed-head screws. Post water quenched hardness: 41 HRC surface, 95 HRB half-radius, 92 HRB center. Normalized at 925°C in 32 mm rounds, machined to 25 mm, pseudocarburized at 925 for 8 hours, box cooled to RT reheated to 800°C, oil quenched, 150°C temper.
Key Words:	UNS G10220, AMS 5070, ASTM A29, ASTM A510, ASTM A519, ASTM A544, ASTM A545, ASTM A548, ASTM A576, MIL SPEC MIL-S-11310 (CS1022), SAE J403, SAE J412, SAE J414, DIN 1.1133, UNI G 22 Mn 3, JIS SMnC 21
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Physical Properties	Metric	English	Comments

Density	7.858 g/cc	0.2839 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	163	163
Hardness, Knoop	184	184	Converted from Brinell
Hardness, Rockwell B	84	84	Converted from Brinell
Hardness, Vickers	170	170	Converted from Brinell
Tensile Strength, Ultimate	555 MPa	80500 psi
Tensile Strength, Yield	350 MPa @Strain 0.2 %	50800 psi @Strain 0.2 %
Elongation at Break	31.5 %	31.5 %	in 50 mm
Reduction of Area	71 %	71 %
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	0.0000159 ohm-cm @Temperature 0.000 °C	0.0000159 ohm-cm @Temperature 32.0 °F	annealed specimen
	0.0000219 ohm-cm @Temperature 100 °C	0.0000219 ohm-cm @Temperature 212 °F	annealed specimen
	0.0000293 ohm-cm @Temperature 200 °C	0.0000293 ohm-cm @Temperature 392 °F	annealed specimen

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	0.17 - 0.23 %	0.17 - 0.23 %
Iron, Fe	98.68 - 99.13 %	98.68 - 99.13 %	As remainder
Manganese, Mn	0.70 - 1.0 %	0.70 - 1.0 %
Phosphorus, P	<= 0.040 %	<= 0.040 %
Sulfur, S	<= 0.050 %	<= 0.050 %

References for this datasheet.

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M1022J / 6858

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