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Bohler-Uddeholm BeCu Alloy 172 Mold Material

Category Metal , Nonferrous Metal , Beryllium Alloy , Copper Alloy
Manufacturer Bohler-Uddeholm
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Bohler-Uddeholm BeCu Alloy 172 Mold Material.pdf
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Material Notes:
Beryllium copper alloyA high strength beryllium copper mold alloy with high thermal conductivity.BeCu Alloy 172 is characterized by: High thermal conductivity Good corrosion resistance Good polishability Good wear resistance Good resistance to galling Good machinability High strength and hardness Excellent weldabilityThe special properties of BeCu Alloy 172 beryllium copper alloy make it a suitable mold/core/insert material for a wide variety of molding situations but especially where a combination of high thermal conductivity, corrosion resistance and good polishability are needed.Blow molds: pinch offs, neck rings and handle inserts.Injection mold: molds, cores, inserts.Injection nozzles and manifolds for hot runner systems.
Physical Properties Metric English Comments
Density 8.36 g/cc
0.302 lb/in³
8.22 g/cc

@Temperature 299 °C
 0.297 lb/in³

@Temperature 570 °F
8.28 g/cc

@Temperature 199 °C
 0.299 lb/in³

@Temperature 390 °F
Mechanical Properties Metric English Comments
Hardness, Rockwell C 30 - 40
30 - 40
Age-hardened
Tensile Strength, Ultimate 1170 MPa
170000 psi
hardened to 30 HRC
1280 MPa
185000 psi
hardened to 40 HRC
Tensile Strength, Yield 989.4 MPa

@Strain 0.200 %
 143500 psi

@Strain 0.200 %
 hardened to 30 HRC
1084 MPa

@Strain 0.200 %
 157200 psi

@Strain 0.200 %
 hardened to 40 HRC
Elongation at Break 6.0 %
6.0 %
hardened to 40 HRC
8.0 %
8.0 %
hardened to 30 HRC
Modulus of Elasticity 131 GPa
19000 ksi
103 GPa

@Temperature 299 °C
 15000 ksi

@Temperature 570 °F
131 GPa

@Temperature 199 °C
 19000 ksi

@Temperature 390 °F
Compressive Yield Strength 970 MPa
141000 psi
0.2%, hardened to 30 HRC
1070 MPa
155000 psi
0.2%, hardened to 40 HRC
Thermal Properties Metric English Comments
CTE, linear 17.5 µm/m-°C

@Temperature 199 °C
 9.70 µin/in-°F

@Temperature 390 °F
17.8 µm/m-°C

@Temperature 299 °C
 9.90 µin/in-°F

@Temperature 570 °F
Specific Heat Capacity 0.381 J/g-°C

@Temperature 20.0 °C
 0.0910 BTU/lb-°F

@Temperature 68.0 °F
0.477 J/g-°C

@Temperature 199 °C
 0.114 BTU/lb-°F

@Temperature 390 °F
0.536 J/g-°C

@Temperature 299 °C
 0.128 BTU/lb-°F

@Temperature 570 °F
Thermal Conductivity 110 W/m-K

@Temperature 20.0 °C
 763 BTU-in/hr-ft²-°F

@Temperature 68.0 °F
 hardened to 40 HRC
120 W/m-K

@Temperature 20.0 °C
 833 BTU-in/hr-ft²-°F

@Temperature 68.0 °F
 hardened to 30 HRC
145 W/m-K

@Temperature 199 °C
 1010 BTU-in/hr-ft²-°F

@Temperature 390 °F
 hardened to 40 HRC
155 W/m-K

@Temperature 299 °C
 1080 BTU-in/hr-ft²-°F

@Temperature 570 °F
 hardened to 40 HRC
160 W/m-K

@Temperature 199 °C
 1110 BTU-in/hr-ft²-°F

@Temperature 390 °F
 hardened to 30 HRC
170 W/m-K

@Temperature 299 °C
 1180 BTU-in/hr-ft²-°F

@Temperature 570 °F
 hardened to 30 HRC
Component Elements Properties Metric English Comments
Beryllium, Be 1.9 %
1.9 %
Co + Ni 0.25 %
0.25 %
Copper, Cu 97.85 %
97.85 %
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