QSn4-0.3 Tin bronze
Grade: QSn4-0.3
Standard: GB/T 4423-1992
Ciri dan skop aplikasi:
Qsn4-0.3 tin bronze has high mechanical properties, corrosion resistance and high elasticity. It can withstand pressure machining well in cold state and can also be processed under pressure in hot state. Qsn4-0.3 is used to make all kinds of pressure gauge tube
QSn4-0.3 has high mechanical properties, corrosion resistance and elasticity, can bear pressure processing in cold state, also can carry out pressure processing in hot state.
QSn4-0.3 Alloy grade | |
| Standard singa | Qsn4-0.3 |
| standard China | QSn4-0.3 |
| standard Amerika | C51100 |
| standard Jepun | C5101 |
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Sn | 3.5-4.9 |
P | 0.03-0.35 |
Dengan | margin |
Jumlah kekotoran | ≤ 0.95 |
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≥ 16 | %IACS | |
Kekonduksian | ≥ 9.28 | MS/m |
Kekonduksian terma | 84 | W/(m.K) |
Pekali pengembangan terma | 17.8 | 10 -6 / K |
Ketumpatan | 8.86 | g/cm3 |
Modulus Elastik | 110 | GPa |
specific heat capacity | 0.380 _ | J/(g.K) |
Nisbah Poisson | 0.33 | — |
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Kebolehkerjaan sejuk | Cemerlang |
Kebolehmesinan | Secara amnya |
Penyaduran elektrik | Cemerlang |
Tinning hot-dip | Cemerlang |
Kebolehpaterian | Cemerlang |
Kimpalan rintangan | Secara amnya |
Penggunaan biasa
Widely used in bridge support plates, clutch friction plates, connectors , diaphragms, fuse clips, fasteners, lock washers, springs, switch parts, terminals, chemical equipment components, porous sheets, textile machinery, etc.
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negeri | Kekuatan Tegangan ( MPa ) | Pemanjangan (A 11.3 , %) | Kekerasan Vickers | |
M | O60 | 275-380 | ≥ 40 | 70-100 |
Y2 | H02 | 380-485 | 15 | 90-165 |
DAN | H04 | 495-600 | 8 | 145-190 |
T | H06 | 580-685 | 3 | 170-210 |
TY | H08 | 625-725 | – | 180-220 |
CTY | H10 | 660-750 | – | 190-240 |
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Ketebalan ( mm ) | 0.08-0.15 | >0.15-0.20 | >0.20-0.30 | >0.3-0.4 | >0.4-0.6 | >0.6-0.8 |
Toleransi ( mm ) | ± 0.0025 | ± 0.004 | ± 0.005 | ± 0.0075 | ± 0.01 | ± 0.0125 |
Ketebalan ( mm ) | >0.8-1.2 | >1.2-1.5 | >1.5-2.0 | >2.0-2.6 | >2.6-3.0 | >3.0-4.0 |
Toleransi ( mm ) | ± 0.015 | ± 0.02 | ± 0.025 | ± 0.03 | ± 0.04 | ± 0.05 |
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Ketebalan ( mm ) | 0.08-0.5 | >0.5-1.0 | >1.0-1.8 | >1.8-3.0 | >3.0-4.0 | |
Lebar dan Toleransi （mm） | 5-50 | ± 0.05 | ± 0.08 | ± 0.1 | ± 0.2 | ± 0.3 |
50-100 | ± 0.075 | ± 0.1 | ± 0.15 | ± 0.2 | ± 0.3 | |
> 100 | ± 0.1 | ± 0.15 | ± 0.2 | ± 0.3 | ± 0.5 |
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Ketebalan ( mm ) | Burr Tepi ( mm ), tidak lebih daripada |
≤ 0.50 | 0.02 |
>0.50-1.0 | 0.04 |
>1.0-2.0 | 0.05 |
>2.0-4.0 | 0.1 |
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condition | Jejari Selekoh Minimum Dalam ( mm ) | |||
Ketebalan / t : 0.15-0.30mm | Ketebalan / t : 0.30-1.0mm | |||
good direction | arah yang tidak baik | good direction | arah yang tidak baik | |
O60 | 0 × t | 0 × t | 0 × t | 0 × t |
H02 | 0 × t | 0 × t | 0 × t | 0 × t |
H04 | 0 × t | 0 × t | 0 × t | 0.5 × t |
H06 | 1.0 × t | 4.0 × t | 1.5 × t | 5.0 × t |
H08 | – | – | – | – |
H10 | – | – | – | – |
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Ra （μ m ） | ≤ 0.3 |
Kelengkungan sisi h ( mm/m ) | |||
| Lebar ( mm ) | Ketebalan ( mm ) | ||
0.08-0.6 | >0.6-2.0 | >2.0-4.0 | |
≤ 9 | ≤ 1.0 | ≤ 1.0 | — |
>9-13 | ≤ 1.0 | ≤ 1.0 | — |
>13-25 | ≤ 1.0 | ≤ 1.0 | — |
>25-50 | ≤ 1.5 | ≤ 1.0 | — |
>50-100 | ≤ 1.5 | ≤ 1.5 | — |
>100-625 | ≤ 1.5 | ≤ 1.5 | — |
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Lebar L ( mm ) | ≤ 50 | >50-200 | >200-625 |
Kelengkungan melintang h ( mm ), tidak lebih daripada | 0.01 × L | 0.015 × L | 0.02 × L |
Kerataan membujur (serpentin) | ||
Lebar ( mm ) | ≤ 100 | >100-625 |
Kelurusan membujur h ( mm/m ) | ≤ 3 | ≤ 5 |
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Lebar ( mm ) | ≤ 30 | >30-100 | >100-625 |
Kilasan (°) | ≤ 10 | ≤ 5 | — |
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Lebar ( mm ) | ≤ 100 | >100-300 | >300-625 |
Warpage h ( mm/m ) | ≤ 50 | ≤ 100 | — |
