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Bohler-Uddeholm UDDEHOLM MIRRAX ESR Plastic Mold Steel

Category Metal , Ferrous Metal , Tool Steel , Mold Steel
Manufacturer Bohler-Uddeholm
Trade Name UDDEHOLM
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Bohler-Uddeholm UDDEHOLM MIRRAX ESR Plastic Mold Steel.pdf
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Material Notes:
Uddeholm Mirrax ESR is specially developed and adapted for larger molds that require corrosion resistance and/or high surface finish.It is characterized by:High hardenability for consistent properties in large dimensionsGood ductility and toughness for a safe productionHigh corrosion resistance for low maintenance requirementsExcellent polishability for aesthetic quality and functionGood wear resistance for longer lifeUddeholm Mirrax ESR is also the right choice for larger tools when contamination in production is totally unacceptable: within the medical industry, optical industry and for other high quality transparent articles.Applications: Although Uddeholm Mirrax ESR is recommended for all types of moulds, its special properties make it particularly suitable for molds with the following demands:Corrosion/staining resistance, i.e. for moulding of corrosive materials, e.g. PVC, acetates, and for moulds subjected to humid working/storage conditions.High surface finish, i.e. for the production of optical parts, such as camera and sunglass lenses, and for medical components, e.g. syringes, analysis vials etc..Toughness/ductility, i.e. for complex molds Outstanding through-hardening characteristics i.e. high-hardenability, important for larger molds.
Physical Properties Metric English Comments
Density 7.74 g/cc
0.280 lb/in³
Mechanical Properties Metric English Comments
Hardness, Brinell 250
250
Annealed
Hardness, Rockwell C 52
52
without tempering
Tensile Strength, Ultimate 1500 MPa
218000 psi
at HRC 45
1780 MPa
258000 psi
at HRC 50
Tensile Strength, Yield 1200 MPa
174000 psi
at HRC 45
1290 MPa
187000 psi
at HRC 50
Modulus of Elasticity 180 GPa

@Temperature 400 °C
26100 ksi

@Temperature 752 °F
200 GPa

@Temperature 200 °C
29000 ksi

@Temperature 392 °F
210 GPa

@Temperature 20.0 °C
30500 ksi

@Temperature 68.0 °F
Impact Test 180 J
133 ft-lb
without tempering; at HRC 52
220 J
162 ft-lb
tempered at 300°C; at HRC 50
Thermal Properties Metric English Comments
CTE, linear 11.1 µm/m-°C

@Temperature 20.0 - 200 °C
6.17 µin/in-°F

@Temperature 68.0 - 392 °F
11.7 µm/m-°C

@Temperature 20.0 - 400 °C
6.50 µin/in-°F

@Temperature 68.0 - 752 °F
Specific Heat Capacity 0.460 J/g-°C
0.110 BTU/lb-°F
Thermal Conductivity 20.0 W/m-K

@Temperature 200 °C
139 BTU-in/hr-ft²-°F

@Temperature 392 °F
24.0 W/m-K

@Temperature 400 °C
167 BTU-in/hr-ft²-°F

@Temperature 752 °F
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