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Master Bond adhesives

Ovako 20Cr2* 126H Steel, +AR
Categories: Metal; Ferrous Metal; Alloy Steel

Material Notes: General Information: Variant Ovako 126H is a carburizing steel with good toughness and high fatigue strength. Ovako 126H is a Bearing Steel Quality (BQ) variant.

BQ-Steel(Bearing Quality) is a bearing quality clean steel optimized for fatigue strength by a strict control of steel cleanliness. BQ-steel is also ideal for new design solutions in a wide array of demanding applications outside the bearing industry that require longer performance and higher loads. The BQsteel offer is the result of the Ovako clean steel program. Purity of production means that the material has significantly smaller inclusions compared to conventional steel and, as a result, the fatigue strength of the steel is increased dramatically. Use of the material allows components to be manufactured in smaller sizes. The BQ-steel has for decades been the problem-solver.

Information provided by Ovako

Key Words: 4118H
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Physical PropertiesMetricEnglishComments
Density 7.80 g/cc0.282 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 190
@Thickness 7.00 - 23.0 mm
190
@Thickness 0.276 - 0.906 in
Tube wall
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 421 °C790 °FMS
 730 °C1350 °FAC1
 818 °C1500 °FAC3
 
Component Elements PropertiesMetricEnglishComments
Carbon, C 0.18 - 0.23 %0.18 - 0.23 %
Chromium, Cr 0.40 - 0.60 %0.40 - 0.60 %
Iron, Fe 97.37 - 98.44 %97.37 - 98.44 %As Balance
Manganese, Mn 0.70 - 0.90 %0.70 - 0.90 %
Molybdenum, Mo 0.080 - 0.15 %0.080 - 0.15 %
Nickel, Ni <= 0.25 %<= 0.25 %
Phosphorus, P <= 0.025 %<= 0.025 %
Silicon, Si 0.20 - 0.35 %0.20 - 0.35 %
Sulfur, S <= 0.025 %<= 0.025 %
Vanadium, V <= 0.10 %<= 0.10 %
 
Descriptive Properties
WeldabilityCEV 0.56max
 Pcm 0.36max

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 terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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NOVAKO128 / 234427

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