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AISI 1118 Steel, mock carburized at 925°C (1700°F) for 8 hours, 790°C (1450°F) reheat, water quenched, 175°C (350°F) temper, round
Categories:
Metal
;
Ferrous Metal
;
Carbon Steel
;
AISI 1000 Series Steel
;
Low Carbon Steel
Material Notes:
Applications include medium duty shafts, studs, pins, distributor cams, cam shafts, and universal joints.
Key Words:
NS G11180, ASTM A29, ASTM A107, ASTM A108, FED QQ-S-637 (C1118), SAE J403, SAE J412, SAE J414
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Physical Properties
Original Value
Comments
Density
7.87
g/cc
Typical for steel.
Mechanical Properties
Original Value
Comments
Hardness, Brinell
156
@Diameter 102 mm
167
@Diameter 50.8 mm
207
@Diameter 25.4 mm
285
@Diameter 12.7 mm
Hardness, Knoop
176
@Diameter 102 mm
Converted from Brinell
188
@Diameter 50.8 mm
Converted from Brinell
229
@Diameter 25.4 mm
Converted from Brinell
311
@Diameter 12.7 mm
Converted from Brinell
Hardness, Rockwell B
82
@Diameter 102 mm
Converted from Brinell
85
@Diameter 50.8 mm
Converted from Brinell
93
@Diameter 25.4 mm
Converted from Brinell
99
@Diameter 12.7 mm
Converted from Brinell
Hardness, Rockwell C
15
@Diameter 25.4 mm
Converted from Brinell hardness. Value below normal HRC range, for comparison purposes only.
30
@Diameter 12.7 mm
Converted from Brinell
Hardness, Vickers
163
@Diameter 102 mm
Converted from Brinell
175
@Diameter 50.8 mm
Converted from Brinell
217
@Diameter 25.4 mm
Converted from Brinell
301
@Diameter 12.7 mm
Converted from Brinell
Tensile Strength, Ultimate
531
MPa
@Diameter 102 mm
567
MPa
@Diameter 50.8 mm
707
MPa
@Diameter 25.4 mm
996
MPa
@Diameter 12.7 mm
Tensile Strength, Yield
310
MPa
@Diameter 102 mm
330
MPa
@Diameter 50.8 mm
409
MPa
@Diameter 25.4 mm
621
MPa
@Diameter 12.7 mm
Elongation at Break
13.2 %
@Diameter 12.7 mm
in 50 mm
19 %
@Diameter 25.4 mm
in 50 mm
27.3 %
@Diameter 50.8 mm
in 50 mm
31 %
@Diameter 102 mm
in 50 mm
Reduction of Area
30.8 %
@Diameter 12.7 mm
48.9 %
@Diameter 25.4 mm
65.5 %
@Diameter 50.8 mm
67.4 %
@Diameter 102 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
103
J
normalized at 925°C (1700°F)
107
J
annealed at 790°C (1450°F)
108
J
as rolled
Electrical Properties
Original Value
Comments
Electrical Resistivity
0.0000174
ohm-cm
Typical steel
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
0.472
J/g-°C
Typical steel
Thermal Conductivity
51.9
W/m-K
Typical steel
Component Elements Properties
Original Value
Comments
Carbon, C
0.14 - 0.20 %
Iron, Fe
98.03 - 98.48 %
As remainder
Manganese, Mn
1.3 - 1.6 %
Phosphorus, P
<= 0.040 %
Sulfur, S
0.080 - 0.13 %
References
for this datasheet.
Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's
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Users viewing this material also viewed the following:
AISI 1118 Steel, normalized at 925°C (1700°F), air cooled, round
AISI 1117 Steel, mock carburized at 925°C (1700°F) for 8 hours, 790°C (1450°F) reheat, water quenched, 175°C (350°F) temper, round
AISI 1118 Steel, hot rolled, 19-32 mm (0.75-1.25 in) round
AISI 1137 Steel, water quenched from 845°C (1550°F), 540°C (1000°F) temper, round
AISI 1045 Steel, as cold drawn, 50-75 mm (2-3 in) round
M1118W / 7176
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