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Rulon Bearings

Bohler-Uddeholm moldMAX® XL High Strength Copper Alloy  (discontinued **)
Categories: Metal; Nonferrous Metal; Copper Alloy

Material Notes: moldMAX® XL is characterized by:
  • High thermal conductivity
  • Excellent machinability
  • Good polishability and
  • Good corrosion resistance
  • Good wear resistance
  • High impact strength
  • Excellent resistance to galling
  • Large cross sectional availability

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Physical PropertiesMetricEnglishComments
Density 8.91 g/cc0.322 lb/in³hardened to 30 HRC
 8.75 g/cc
@Temperature 299 °C
0.316 lb/in³
@Temperature 570 °F
hardened to 30 HRC
 8.77 g/cc
@Temperature 199 °C
0.317 lb/in³
@Temperature 390 °F
hardened to 30 HRC
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell C 28 - 3228 - 32Delivery condition
Tensile Strength, Ultimate 758 MPa110000 psihardened to 30 HRC
Tensile Strength, Yield 689 MPa
@Strain 0.2 %
100000 psi
@Strain 0.2 %
hardened to 30 HRC
Elongation at Break 5.0 %5.0 %hardened to 30 HRC
Modulus of Elasticity 117 GPa17000 ksi(hardened to 30 HRC)
Compressive Yield Strength 655 MPa95000 psi0.2%, hardened to 30 HRC
 
Thermal PropertiesMetricEnglishComments
CTE, linear  17.1 µm/m-°C
@Temperature 199 °C
9.50 µin/in-°F
@Temperature 390 °F
hardened to 30 HRC
 17.5 µm/m-°C
@Temperature 299 °C
9.70 µin/in-°F
@Temperature 570 °F
hardened to 30 HRC
Specific Heat Capacity  0.381 J/g-°C
@Temperature 20.0 °C
0.0910 BTU/lb-°F
@Temperature 68.0 °F
hardened to 30 HRC
 0.406 J/g-°C
@Temperature 199 °C
0.0970 BTU/lb-°F
@Temperature 390 °F
hardened to 30 HRC
 0.431 J/g-°C
@Temperature 299 °C
0.103 BTU/lb-°F
@Temperature 570 °F
hardened to 30 HRC
Thermal Conductivity  61.0 W/m-K
@Temperature 20.0 °C
423 BTU-in/hr-ft²-°F
@Temperature 68.0 °F
hardened to 30 HRC
 92.0 W/m-K
@Temperature 199 °C
638 BTU-in/hr-ft²-°F
@Temperature 390 °F
hardened to 30 HRC
 105 W/m-K
@Temperature 299 °C
729 BTU-in/hr-ft²-°F
@Temperature 570 °F
hardened to 30 HRC
 
Component Elements PropertiesMetricEnglishComments
Copper, Cu 85 %85 %
Nickel, Ni 9.0 %9.0 %
Tin, Sn 6.0 %6.0 %

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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