Material Notes:
Alvar 14 is a chromium-nickel-molybdenumvanadium alloyed steel
ALVAR 14 is characterized by:
• Good toughness
• Good resistance to high thermal stresses
• Good stability in hardening
• Good through-hardening properties
Applications:
Alvar 14 is ideally suited for hot working tools such as:
• Support parts for extrusion tooling, e.g. backers, bolsters
• Hot forging tools
• Die for tin, lead and zinc alloys
• Tools 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 |
0.277 lb/in³ |
hardness of 40 HRC |
|
@Temperature 399 °C |
@Temperature 750 °F |
|
|
7.72 g/cc |
0.279 lb/in³ |
hardness of 40 HRC |
|
@Temperature 199 °C |
@Temperature 390 °F |
|
| Mechanical Properties |
|
Metric |
English |
Comments |
| Hardness, Brinell |
<= 250 |
<= 250 |
Soft annealed |
|
330 - 400 |
330 - 400 |
Hardened and tempered (36-43 HRC, 1100-1350 Nmm2) |
| Modulus of Elasticity |
215 GPa |
31200 ksi |
(hardness of 40 HRC) |
| Modulus of Elasticity |
185 GPa |
26800 ksi |
hardness of 40 HRC |
|
@Temperature 399 °C |
@Temperature 750 °F |
|
| |
202 GPa |
29300 ksi |
hardness of 40 HRC |
|
@Temperature 199 °C |
@Temperature 390 °F |
|
| Thermal Properties |
|
Metric |
English |
Comments |
| CTE, linear |
13.1 µm/m-°C |
7.30 µin/in-°F |
hardness of 40 HRC |
|
@Temperature 20.0 - 199 °C |
@Temperature 68.0 - 390 °F |
|
|
13.9 µm/m-°C |
7.70 µin/in-°F |
hardness of 40 HRC |
|
@Temperature 3.33 - 399 °C |
@Temperature 38.0 - 750 °F |
|
| Thermal Conductivity |
36.0 W/m-K |
250 BTU-in/hr-ft²-°F |
hardness of 40 HRC |
|
@Temperature 20.0 °C |
@Temperature 68.0 °F |
|
|
36.5 W/m-K |
253 BTU-in/hr-ft²-°F |
hardness of 40 HRC |
|
@Temperature 199 °C |
@Temperature 390 °F |
|
|
36.8 W/m-K |
255 BTU-in/hr-ft²-°F |
hardness of 40 HRC |
|
@Temperature 399 °C |
@Temperature 750 °F |
|
| 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 % |
|
