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Specialty Compounds RTP Company

Ovako 34CrMo4 SAE4130m Steel, +AR
Categories: Metal; Ferrous Metal; Alloy Steel; AISI 4000 Series Steel

Material Notes: General Information: SAE4130m is a low alloyed steel used in quenched and tempered condition. The nearest equivalents are 34CrMo4 in EN10083-3 or 4130 in ASTM A29 with some deviations. The material is delivered as rolled or annealed.

Information provided by Ovako

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Physical PropertiesMetricEnglishComments
Density 7.80 g/cc0.282 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell <= 260
@Thickness 14.0 - 70.0 mm
<= 260
@Thickness 0.551 - 2.76 in
Round bar
Modulus of Elasticity 210 GPa30500 ksi
Poissons Ratio 0.300.30
Shear Modulus 80.0 GPa11600 ksi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.00000200 - 0.00000250 ohm-cm0.00000200 - 0.00000250 ohm-cm
 
Thermal PropertiesMetricEnglishComments
CTE, linear 12.0 µm/m-°C
@Temperature 20.0 - 300 °C
6.67 µin/in-°F
@Temperature 68.0 - 572 °F
Specific Heat Capacity 0.460 - 0.480 J/g-°C
@Temperature 50.0 - 100 °C
0.110 - 0.115 BTU/lb-°F
@Temperature 122 - 212 °F
Thermal Conductivity 40.0 - 45.0 W/m-K278 - 312 BTU-in/hr-ft²-°FAmbient temperature
Transformation Temperature 552 °C1030 °FMS
 737 °C1360 °FAC1
 808 °C1490 °FAC3
 
Component Elements PropertiesMetricEnglishComments
Carbon, C 0.27 - 0.33 %0.27 - 0.33 %
Chromium, Cr 0.60 - 1.0 %0.60 - 1.0 %
Copper, Cu <= 0.35 %<= 0.35 %
Iron, Fe 96.45 - 98.23 %96.45 - 98.23 %As Balance
Manganese, Mn 0.60 - 0.90 %0.60 - 0.90 %
Molybdenum, Mo 0.15 - 0.25 %0.15 - 0.25 %
Nickel, Ni <= 0.30 %<= 0.30 %
Phosphorus, P <= 0.035 %<= 0.035 %
Silicon, Si 0.15 - 0.35 %0.15 - 0.35 %
Sulfur, S <= 0.035 %<= 0.035 %
 
Descriptive Properties
WeldabilityCEV 0.66max
 Pcm 0.41max

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NOVAKO248 / 234547

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