AISI 1038 Steel, hot rolled round, 19-32 mm (0.75-1.25 in)

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AISI 1038 Steel, hot rolled round, 19-32 mm (0.75-1.25 in)
Categories:	Metal; Ferrous Metal; Carbon Steel; AISI 1000 Series Steel; Medium Carbon Steel
Material Notes:	Typical uses include machine, plow, and carriage bolts, tie wire, cylinder head studs, and machined parts, U-bolts, concrete reinforcing rods, forgings, and non-critical springs.
Key Words:	UNS G10380, ASTM A29, ASTM A510, ASTM A544, ASTM A545, ASTM A546, ASTM A576, SAE J403, SAE J412, SAE J414, DIN 1.1176, AFNOR XC 38 TS (France)
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Physical Properties	Original Value	Comments

Density	7.845 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Brinell	149
Hardness, Knoop	169	Converted from Brinell
Hardness, Rockwell B	80	Converted from Brinell
Hardness, Vickers	155	Converted from Brinell
Tensile Strength, Ultimate	515 MPa
Tensile Strength, Yield	285 MPa
Elongation at Break	18 %	in 50 mm
Modulus of Elasticity	200 GPa	Typical for steel
Bulk Modulus	160 GPa	Typical for steel
Poissons Ratio	0.29	Typical For Steel
Shear Modulus	80.0 GPa	Typical for steel
Izod Impact	45.0 J	annealed at 790°C (1450°F)
	49.0 J	as rolled
	65.0 J	normalized at 900°C (1650°F)

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000171 ohm-cm @Temperature 20.0 °C
	0.0000221 ohm-cm @Temperature 100 °C
	0.0000296 ohm-cm @Temperature 200 °C
	0.0000493 ohm-cm @Temperature 400 °C
	0.0000763 ohm-cm @Temperature 600 °C
	0.0000932 ohm-cm @Temperature 700 °C
	0.0001111 ohm-cm @Temperature 800 °C
	0.0001149 ohm-cm @Temperature 900 °C
	0.0001179 ohm-cm @Temperature 1000 °C

Thermal Properties	Original Value	Comments
CTE, linear	11.5 µm/m-°C @Temperature 20.0 °C	Typical steel
	12.2 µm/m-°C @Temperature 0.000 - 300 °C	Typical for steel
	13.9 µm/m-°C @Temperature 0.000 - 500 °C	Typical for steel
Specific Heat Capacity	0.486 J/g-°C @Temperature >=100 °C
	0.515 J/g-°C @Temperature 150 - 200 °C
	0.528 J/g-°C @Temperature 200 - 250 °C
	0.548 J/g-°C @Temperature 250 - 300 °C
	0.569 J/g-°C @Temperature 300 - 350 °C
	0.586 J/g-°C @Temperature 350 - 400 °C
	0.624 J/g-°C @Temperature 750 - 800 °C
	0.649 J/g-°C @Temperature 450 - 500 °C
	0.708 J/g-°C @Temperature 550 - 600 °C
	0.770 J/g-°C @Temperature 650 - 700 °C
	1.583 J/g-°C @Temperature 700 - 750 °C
Thermal Conductivity	24.7 W/m-K @Temperature 300 °C
	29.8 W/m-K @Temperature 1200 °C
	30.1 W/m-K @Temperature 700 °C
	32.9 W/m-K @Temperature 1000 °C
	33.9 W/m-K @Temperature 600 °C
	38.2 W/m-K @Temperature 500 °C
	41.7 W/m-K @Temperature 400 °C
	45.7 W/m-K @Temperature 300 °C
	48.1 W/m-K @Temperature 200 °C
	50.7 W/m-K @Temperature 100 °C
	51.9 W/m-K @Temperature 0.000 °C

Component Elements Properties	Original Value	Comments
Carbon, C	0.34 - 0.42 %
Iron, Fe	98.59 - 99.09 %	As remainder
Manganese, Mn	0.60 - 0.90 %
Phosphorus, P	<= 0.040 %
Sulfur, S	<= 0.050 %

References for this datasheet.

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M1038C / 6931

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