BrBNT1.7
for springs and elastic elements; high strength and wear resistance, good sliding properties, very good formability in hardened condition
for springs and elastic elements; high strength and wear resistance, good sliding properties, very good formability in hardened condition
Standard | Fe, % | Si, % | Be, % | Ti, % | Cu, % | Ni, % | Al, % | Pb, % |
---|---|---|---|---|---|---|---|---|
Standard | Fe, % | Si, % | Be, % | Ti, % | Cu, % | Ni, % | Al, % | Pb, % |
GOST 18175-78 | < 0.15 | < 0.15 | 1.6–1.85 | 0.1–0.25 | 97–98.1 | 0.2–0.4 | < 0.15 | < 0.005 |
Temperature, °C | E\cdot 10^{9}, MPa | \alpha\cdot 10^{6}, K^{-1} | \varkappa, \frac{W}{m\cdot K} | \rho, \frac{kg}{m^3} | R\cdot 10^{-6}, \Omega\cdot m |
---|---|---|---|---|---|
Temperature, °C | E\cdot 10^{9}, MPa | \alpha\cdot 10^{6}, K^{-1} | \varkappa, \frac{W}{m\cdot K} | \rho, \frac{kg}{m^3} | R\cdot 10^{-6}, \Omega\cdot m |
20 | 128 | 96.6 | 8200 | 0.09 | |
100 | 17 |
Standard | Description |
---|---|
Standard | Description |
GOST 18175-78 |
Parameter | Units of measurement | Description |
---|---|---|
Parameter | Units of measurement | Description |
E\cdot 10^{9} | MPa | Elastic modulus |
\alpha\cdot 10^{6} | K^{-1} | Coefficient of thermal (linear) expansion (range 20°C–T) |
\varkappa | \frac{W}{m\cdot K} | Coefficient of thermal conductivity (the heat capacity of the material) |
\rho | \frac{kg}{m^3} | The density of the material |
R\cdot 10^{-6} | \Omega\cdot m | Electrical resistivity |
Parameter | Units of measurement | Description |
---|---|---|
Parameter | Units of measurement | Description |
melting point | °C | The temperature at which solid crystalline body makes the transition to the liquid state and Vice versa |
Hot working temperature | °C | The temperature at which the plastic-deformed metal recrystallizes during the pressure treatment |