AISI 1018 Steel, carburized at 925°C (1700°F), box cooled, 775°C (1430°F) reheat, water quenched, 175°C (350°F) temper. 19-32 mm (0.75-1.25 in) round

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AISI 1018 Steel, carburized at 925°C (1700°F), box cooled, 775°C (1430°F) reheat, water quenched, 175°C (350°F) temper. 19-32 mm (0.75-1.25 in) round
Categories:	Metal; Ferrous Metal; Carbon Steel; AISI 1000 Series Steel; Low Carbon Steel
Material Notes:	Supplied as killed, semikilled, rimmed, and capped steel. Good weldability, relatively soft and strengthen with cold work during forming or drawing. Widely used in cold forming operations such as heading, upsetting, and extrusion. Used in the as-rolled condition as bar, shapes, sheet, and strip.
Key Words:	UNS G10180, AMS 5069, ASTM A29, ASTM A108, ASTM A510, ASTM A513, ASTM A519, ASTM A544, ASTM A545, ASTM A548, ASTM A549, ASTM A576, ASTM A659, AS 1442 K1018 (Australia), AS 1443 K1018, CSN 12020 (Czech), CSN 12022, AFNOR NF A33-101 AF42C20, DIN 1.0453, DIN C16.8, DGN B-301 1018 (Mexico), COPANT 331 1018 (Pan America), COPANT 333 1018, MIL SPEC MIL-S-11310 (CS1018), SAE J403, SAE J412, SAE J414, MST.T (Russia), ST.20A, ST.3, ST.3T, GOST M18S, GOST 23570 18ps, GOST 23570 18sp, GOST 5520 18K, GOST 5521 S, NBN 629 D37-2 (Belgium), NBN 630 E37-1, NBN 630 E37-2, NBN A21-221 C17KD, BDS 9801 S (Bulgaria), GB 715 ML3 (China), TS 302 Fe35.2 (Turkey), TS 346 Fe35, BS 970 080A17, DEF STAN95-1-1 C1018
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Physical Properties	Original Value	Comments

Density	7.87 g/cc	Typical for steel

Mechanical Properties	Original Value	Comments
Hardness, Brinell	197
Hardness, Knoop	219	Converted from Brinell
Hardness, Rockwell B	92	Converted from Brinell
Hardness, Rockwell C	13	Value below normal HRC range, value for comparison purposes only. Converted from Brinell hardness.
Hardness, Vickers	207	Converted from Brinell
Tensile Strength, Ultimate	634 MPa
Tensile Strength, Yield	386 MPa
Elongation at Break	27 %	in 50 mm
Reduction of Area	48 %
Modulus of Elasticity	200 GPa
Bulk Modulus	159 GPa	Estimated from elastic modulus
Poissons Ratio	0.29	Typical for steel
Shear Modulus	78.0 GPa	Estimated from elastic modulus

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000159 ohm-cm @Temperature 0.000 °C	annealed condition
	0.0000219 ohm-cm @Temperature 100 °C	annealed condition
	0.0000293 ohm-cm @Temperature 200 °C	annealed condition

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	annealed
Thermal Conductivity	51.9 W/m-K	Typical steel

Component Elements Properties	Original Value	Comments
Carbon, C	0.14 - 0.20 %
Iron, Fe	98.81 - 99.26 %	As remainder
Manganese, Mn	0.60 - 0.90 %
Phosphorus, P	<= 0.040 %
Sulfur, S	<= 0.050 %

References for this datasheet.

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M1018M / 6821

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