BrAJMc10-3-1.5 sheet, strip, tube
International Equivalent
| Mark | Analogue | W. Nr. | Aisi Uns | En | Order |
|---|---|---|---|---|---|
| BrAZhMts10-3-1.5 | CuAl10Fe3Mn2 | Delivery from the stock, in stock |
Properties of БрАЖМц10-3-1,5
Grade: Tin-free bronze, machined under pressure.
Industrial applications: in the manufacture of parts of cryogenic equipment, parts of chemical equipment.
Chemical properties of BrAJMc10-3-1.5 grade alloy, in percent.
| Designation | Description |
|---|---|
| Si | up to 0.1 |
| Fe | 2 - 4 |
| Mn | 1 - 2 |
| Al | 9 - 11 |
| P | up to 0.01 |
| Cu | 82,3 - 88 |
| Zn | up to 0.5 |
| Pb | up to 0.03 |
| Sn | up to 0.1 |
Useful information and properties:
Melting point, °C: 1045
Hardness of the alloy: HB 10 -1 = 125 - 140 MPa
The coefficient of friction without lubrication is 0.21
Coefficient of friction with grease is 0.012
Mechanical characteristics of BrAJMc10-3-1.5 alloy at 20oC
| Rolled product | δ5 (%) | (%) - grad. | sT (MPa) | σ in (MPa) | Size | KCU (kJ/m2) | ψ % |
|---|---|---|---|---|---|---|---|
| hard alloy | 9-12 | 600-700 | |||||
| soft alloy | 20-30 | 400-500 |
Physical characteristics of BrAJMc10-3-1.5 alloy
| a 10 6 (1/Grad) | E 10- 5 (MPa) | T (Grad) | l (W/(m-grad)) | R 10 9 (Ohm-m) | C (J/(kg-grad)) | r (kg/m3) |
|---|---|---|---|---|---|---|
| 16.1 | 100 | |||||
| 1 | 20 | 80 | 190 | 7500 |
Features of aluminum bronzes
A peculiarity of aluminum bronzes is that iron significantly increases their mechanical characteristics by refining the grain, which provides delayed recrystallization. To improve the strength properties aluminum-iron bronze is subjected to aging at 250-300 ° C two to three hours after quenching at t° 950 ° C. It is used in the production of worms, gears, bushings, screw nuts, valve seats, usually in the aviation industry.
Nickel contributes to mechanical properties, heat resistance, increases corrosion resistance and recrystallization temperature of aluminum bronzes, low-temperature stability and antifriction properties. Aluminum-iron-nickel bronzes are used for valve guides, bushings, gears and other critical parts, usually in the aviation industry.
Manganese enhances technological and corrosion properties of bronzes. Aluminum-iron-nickel bronzes are perfectly machined under pressure in cold and hot condition. They are used for production of gears, worm screws, bushings, and in marine industry for parts operating at temperatures up to 250°C.
| Description | Designation | Description | Identification |
|---|---|---|---|
| - Tensile strength (tensile strength), in MPa | σ in | - relative slump at cracking, in % | å |
| - elastic limit, in MPa | σ0,05 | - torsional strength limit (ultimate tangential stress), in MPa | Jê |
| - yield strength, in MPa | σ0,2 | - bending strength limit, in MPa | σd |
| - relative elongation after rupture, in % | δ5,δ4,δ10 | - endurance limit at symmetrical bending cyclic load, in MPa | σ-1 |
| - compression (yield strength), in MPa | σcj0,05 and σcj | - torsional symmetrical cyclic load endurance limit, MPa | J-1 |
| - shear displacement, in % | ν | - number of load cycles | n |
| - short-term strength limit, in MPa | s in | - electrical resistivity, in Ohm-m | R and ρ |
| - relative contraction, in % | ψ | - nominal elastic modulus, in GPa | E |
| - impact toughness for specimens with concentrators according to species V and U, in J/cm2 | KCU and KCV | - Test temperature, °C | T |
| - yield strength - permanent deformation (limit of proportionality), in MPa | sT | - thermal conductivity coefficient in W/(m- °С) | l and ë |
| - Brinell hardness | HB | - specific heat capacity in [J/(kg-rad) | C |
| - Vickers hardness | HV | - specific gravity kg/m3 | pn and r |
| - Rockwell hardness, Sc. | HRCe | - coefficient of linear thermal expansion (1/°C) | |
| - HRB Rockwell hardness, Sc. | HRB | - Longitudinal strength limit (MPa) | σtT |
| - Shore hardness | HSD | - modulus of elasticity (torsional shear) GPa |
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