AISI 1018 Steel, hot rolled, quenched, and tempered

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AISI 1018 Steel, hot rolled, quenched, and tempered
Categories:	Metal; Ferrous Metal; Carbon Steel; AISI 1000 Series Steel; Low Carbon Steel
Material Notes:	Medium low-carbon steel, has good weldability and slightly better machinability than lower carbon grades.
Key Words:	carbon steel, AMS 5069, ASTM A108, UNS G10180, 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, 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

Mechanical Properties	Original Value	Comments
Hardness, Brinell	143
Hardness, Knoop	163	Converted from Brinell
Hardness, Rockwell B	78	Converted from Brinell
Hardness, Vickers	149	Converted from Brinell
Tensile Strength, Ultimate	475 MPa
Tensile Strength, Yield	275 MPa
Elongation at Break	38 %	In 50 mm
Reduction of Area	62 %
Modulus of Elasticity	200 GPa
Bulk Modulus	159 GPa	Estimated from elastic modulus
Poissons Ratio	0.29	Typical for steel
Machinability	52 %	Based on AISI 1212 steel = 100%
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
Specific Heat Capacity	0.486 J/g-°C @Temperature >=100 °C	annealed
Thermal Conductivity	49.8 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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M1018B / 6810

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