Database of Steel and Alloy (Marochnik) |
Home | Steel and Alloy | Search | Equivalent Grades | GOST Standards | Grading | Contacts |
Grade : | BrOF7-0.2 ( БрОФ7-0.2 ) |
Classification : | Wrought tin bronzes |
Equivalent grades: | Go here |
Fe | Si | Ni | P | Al | Cu | Pb | Zn | Sb | Bi | Sn | Impurity |
max 0.05 | max 0.005 | max 0.2 | 0.1 - 0.25 | max 0.002 | 91.27 - 92.8 | max 0.02 | max 0.3 | max 0.002 | max 0.002 | 7 - 8 | all 0.1 |
Assortment | Dimension | Direct. | sв | sT | d5 | y | KCU | Heat treatment |
- | mm | - | MPa | MPa | % | % | kJ / m2 | - |
Bar, GOST 10025-78 | 390 | 40 | ||||||
Bar, GOST 10025-78 | 520-570 | 6-10 | ||||||
Bar, GOST 10025-78 | 360-570 | 55 |
Brinell hardness for BrOF7-0.2 ( БрОФ7-0.2 ) , Bar GOST 10025-78 | HB 10 -1 = 80 MPa |
Brinell hardness for BrOF7-0.2 ( БрОФ7-0.2 ) , Bar GOST 10025-78 | HB 10 -1 = 150 - 180 MPa |
Brinell hardness for BrOF7-0.2 ( БрОФ7-0.2 ) , Bar GOST 10025-78 | HB 10 -1 = 70 MPa |
Friction coefficient with oil : | 0.011 |
Friction coefficient without oil : | 0.33 |
Melting temperature : | 900 °C |
Annealing temperature : | 600 - 650 °C |
T | E 10- 5 | a 10 6 | l | r | C | R 10 9 |
Grade | MPa | 1/Grade | Watt/(m·Grade) | kg/m3 | J/(kg·Grade) | Ohm·m |
20 | 1.15 | 41.9 | 8600 | 170 | ||
100 | 17 |
USA | Germany | Japan | France | England | European | Italy | Poland | Czechia | Austria | Inter | ||||||||||||||
- | DIN,WNr | JIS | AFNOR | BS | EN | UNI | PN | CSN | ONORM | ISO | ||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
B55 - Bars |
Mechanical properties : | |
sв | - Tensile strength , [MPa] |
sT | - Yield stress, [MPa] |
d5 | - Specific elongation at fracture , [ % ] |
y | - Reduction of area , [ % ] |
KCU | - Impact strength , [ kJ / m2] |
HB | - Brinell hardness , [MPa] |
Physical properties : | |
T | - Test temperature , [Grade] |
E | - Young modulus , [MPa] |
a | - Coefficient of linear expansion (range 20o - T ) , [1/Grade] |
l | - Termal (heat) condition coefficient , [Watt/(m·Grade)] |
r | - Density , [kg/m3] |
C | - Specific heat ( range 20o - T ), [J/(kg·Grade)] |
R | - Electrical resistance , [Ohm·m] |
© 2003 - 2024 Database of Steel and Alloy (russian title is the Marochnik)
Administration of the Marochnik is not responsible for the content's use. |