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AISI 50B40 Steel
Categories:
Metal
;
Ferrous Metal
;
Alloy Steel
;
AISI 5000 Series Steel
;
Low Alloy Steel
;
Carbon Steel
;
Medium Carbon Steel
Key Words:
UNI 38 CrB 1 KB (Ital.), medium carbon steels, UNS G50401, ASTM A322, ASTM A519, SAE J404, SAE J412, SAE J770, DIN 1.7007
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Physical Properties
Metric
English
Comments
Density
7.85
g/cc
0.284
lb/in³
Mechanical Properties
Metric
English
Comments
Hardness, Brinell
174 - 223
174 - 223
annealed and cold drawn.
Hardness, Knoop
221
221
Converted from Brinell
Hardness, Rockwell B
92
92
Converted from Brinell
Hardness, Rockwell C
13
13
Converted from Brinell hardness. Value below normal HRC range, for comparison purposes only.
Hardness, Vickers
208
208
Converted from Brinell
Modulus of Elasticity
205
GPa
29700
ksi
Typical for steel
Bulk Modulus
160
GPa
23200
ksi
Typical for steel.
Poissons Ratio
0.29
0.29
Calculated
Machinability
65 %
65 %
annealed and cold drawn. Based on 100% machinability for AISI 1212 steel.
Shear Modulus
80.0
GPa
11600
ksi
Typical for steels.
Electrical Properties
Metric
English
Comments
Electrical Resistivity
0.0000219
ohm-cm
0.0000219
ohm-cm
Typical 5000 series steel
Thermal Properties
Metric
English
Comments
Specific Heat Capacity
0.475
J/g-°C
0.114
BTU/lb-°F
Typical 4000 series steel
Thermal Conductivity
46.6
W/m-K
323
BTU-in/hr-ft²-°F
Typical steel
Component Elements Properties
Metric
English
Comments
Boron, B
0.00050 - 0.0030 %
0.00050 - 0.0030 %
Carbon, C
0.38 - 0.43 %
0.38 - 0.43 %
Chromium, Cr
0.40 - 0.60 %
0.40 - 0.60 %
Iron, Fe
97.592 - 98.3195 %
97.592 - 98.3195 %
As remainder
Manganese, Mn
0.75 - 1.0 %
0.75 - 1.0 %
Phosphorus, P
<= 0.035 %
<= 0.035 %
Silicon, Si
0.15 - 0.30 %
0.15 - 0.30 %
Sulfur, S
<= 0.040 %
<= 0.040 %
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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M504AA / 8029
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