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Bohler-Uddeholm UDDEHOLM ALVAR 14 Hot Work Tool Steel

Category Metal , Ferrous Metal , Alloy Steel , Chrome-moly Steel , Tool Steel , Hot Work Steel
Manufacturer Bohler-Uddeholm
Trade Name UDDEHOLM
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Alvar 14 is a chromium-nickel-molybdenumvanadium alloyed steel ALVAR 14 is characterized by: Good toughnessGood resistance to high thermal stresses Good stability in hardeningGood through-hardening propertiesApplications: Alvar 14 is ideally suited for hot working tools such as:Support parts for extrusion tooling, e.g. backers, bolstersHot forging toolsDie for tin, lead and zinc alloysTools for hot shearing
Physical Properties Metric English Comments
Density 7.78 g/cc
0.281 lb/in³
hardness of 40 HRC
7.67 g/cc

@Temperature 399 °C
0.277 lb/in³

@Temperature 750 °F
hardness of 40 HRC
7.72 g/cc

@Temperature 199 °C
0.279 lb/in³

@Temperature 390 °F
hardness of 40 HRC
Mechanical Properties Metric English Comments
Hardness, Brinell <= 250
<= 250
Soft annealed
330 - 400
330 - 400
Hardened and tempered (36-43 HRC, 1100-1350 Nmm<sup>2</sup>)
Modulus of Elasticity 215 GPa
31200 ksi
(hardness of 40 HRC)
185 GPa

@Temperature 399 °C
26800 ksi

@Temperature 750 °F
hardness of 40 HRC
202 GPa

@Temperature 199 °C
29300 ksi

@Temperature 390 °F
hardness of 40 HRC
Thermal Properties Metric English Comments
CTE, linear 13.1 µm/m-°C

@Temperature 20.0 - 199 °C
7.30 µin/in-°F

@Temperature 68.0 - 390 °F
hardness of 40 HRC
13.9 µm/m-°C

@Temperature 3.33 - 399 °C
7.70 µin/in-°F

@Temperature 38.0 - 750 °F
hardness of 40 HRC
Thermal Conductivity 36.0 W/m-K

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

@Temperature 68.0 °F
hardness of 40 HRC
36.5 W/m-K

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

@Temperature 390 °F
hardness of 40 HRC
36.8 W/m-K

@Temperature 399 °C
255 BTU-in/hr-ft²-°F

@Temperature 750 °F
hardness of 40 HRC
Component Elements Properties Metric English Comments
Carbon, C 0.55 %
0.55 %
Chromium, Cr 1.1 %
1.1 %
Manganese, Mn 0.70 %
0.70 %
Molybdenum, Mo 0.50 %
0.50 %
Nickel, Ni 1.7 %
1.7 %
Silicon, Si 0.30 %
0.30 %
Vanadium, V 0.10 %
0.10 %
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