AISI 4130 Steel, normalized at 870C (1600F)
Subcategory: AISI 4000 Series Steel; Ferrous Metal; Low Alloy
Steel; Medium Carbon Steel; Metal
Key Words: alloy steels, UNS G41300, AMS 6350, AMS 6356, AMS
6360, AMS 6361, AMS 6372, AMS6370, AMS 6371, AMS 6373, ASTM A322,
ASTM A331, ASTM A505, ASTM A513, ASTM A519, ASTMA646, JIS SCM 2,
JIS SCCrM 1, SS14 2225 (Sweden), B.S. CDS 110 (UK), medium carbon
steels,chromium-molybdenum, chrome-moly, MIL SPEC MIL-S-16974, SAE
J404, SAE J412, SAE J770, DIN1.7218, AFNOR 25 CD 4 (France),
MIL-S-6758 (flat and round bar), MIS-S-18729 ANN and NORM (sheetand
plate), QQS-624 (round bar)
Component Wt. %
C 0.28 - 0.33 Cr 0.8 - 1.1 Fe 97.3 - 98.22 Mn 0.4 - 0.6 Mo 0.15
- 0.25 P Max 0.035 S Max 0.04 Si 0.15 - 0.35
Physical Properties Metric English Comments
Density 7.85 g/cc 0.284 lb/in
Mechanical Properties
Hardness, Brinell 197 197 Hardness, Knoop 219 219 Converted from
Brinell hardness.Hardness, Rockwell B 92 92 Converted from Brinell
hardness.Hardness, Rockwell C 13 13 Converted from Brinell
hardness.
Value below normal HRC range, forcomparison purposes only.
Hardness, Vickers 207 207 Converted from Brinell
hardness.Tensile Strength, Ultimate 670 MPa 97200 psi Tensile
Strength, Yield 435 MPa 63100 psi Elongation at Break 25.5 % 25.5 %
in 50 mmReduction of Area 60 % 60 % Modulus of Elasticity 205 GPa
29700 ksi Typical for steelBulk Modulus 140 GPa 20300 ksi Typical
for steelPoisson's Ratio 0.29 0.29 Calculated
ASM Material Data Sheet
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Izod Impact 87 J 64.2 ft-lb Machinability 70 % 70 % annealed and
cold drawn. Based on
100% machinability for AISI 1212steel.
Shear Modulus 80 GPa 11600 ksi Typical for steel
Electrical Properties
Electrical Resistivity 2.23e-005 ohm-cm 2.23e-005 ohm-cm
specimen hardened and tempered;20C (68F)
Electrical Resistivity at Elevated Temperature 0.0001103 ohm-cm
0.0001103 ohm-cm specimen hardened and tempered;800C (1470F)
Electrical Resistivity at Elevated Temperature 0.0001171 ohm-cm
0.0001171 ohm-cm specimen hardened and tempered;1000C (1830F)
Electrical Resistivity at Elevated Temperature 0.0001222 ohm-cm
0.0001222 ohm-cm specimen hardened and tempered;1200C (2192F)
Electrical Resistivity at Elevated Temperature 2.71e-005 ohm-cm
2.71e-005 ohm-cm specimen hardened and tempered;100C (212F)
Electrical Resistivity at Elevated Temperature 3.42e-005 ohm-cm
3.42e-005 ohm-cm specimen hardened and tempered;200C (390F)
Electrical Resistivity at Elevated Temperature 5.29e-005 ohm-cm
5.29e-005 ohm-cm specimen hardened and tempered;400C (750F)
Electrical Resistivity at Elevated Temperature 7.86e-005 ohm-cm
7.86e-005 ohm-cm specimen hardened and tempered;600C (1110F)
Thermal Properties
Specific Heat Capacity 0.477 J/g-C 0.114 BTU/lb-F
50-100CSpecific Heat Capacity at Elevated Temperature 0.523 J/g-C
0.125 BTU/lb-F 150-200CSpecific Heat Capacity at Elevated
Temperature 0.837 J/g-C 0.2 BTU/lb-F 750-800CThermal Conductivity
42.7 W/m-K 296 BTU-in/hr-ft-F 100CThermal Conductivity at Elevated
Temperature 30.1 W/m-K 209 BTU-in/hr-ft-F 1200CThermal Conductivity
at Elevated Temperature 40.7 W/m-K 282 BTU-in/hr-ft-F 300C
References for this datasheet.
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ASM Material Data Sheet
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