QSn4-0,3 Timah perunggu
Grade: QSn4-0.3
Standard: GB/T 4423-1992
Features and scope of application:
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 Kelas paduan | |
| Standar singa | Qsn4-0,3 |
| standar Cina | QSn4-0,3 |
| standar Amerika | C51100 |
| standar Jepang | C5101 |
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Sn | 3.5-4.9 |
P | 0.03-0.35 |
Dengan | batas |
Jumlah kotoran | ≤ 0.95 |
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≥ 16 | %IACS | |
Daya konduksi | ≥ 9.28 | MS/m |
Konduktivitas termal | 84 | W/(m.K) |
Koefisien ekspansi termal | 17.8 | 10 -6 / K |
Kepadatan | 8.86 | g/cm3 |
Modulus elastis | 110 | IPK |
kapasitas panas spesifik | 0.380 _ | J/(g.K) |
rasio Poisson | 0.33 | — |
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Kemampuan kerja dingin | Bagus sekali |
Kemampuan mesin | produk stainless steel → layar sutra → etsa → perawatan alkali → pewarnaan oksidasi → produk jadi |
Elektroplating | Bagus sekali |
Tinning hot-dip | Bagus sekali |
Solderabilitas | Bagus sekali |
Pengelasan resistansi | produk stainless steel → layar sutra → etsa → perawatan alkali → pewarnaan oksidasi → produk jadi |
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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Negara | Tensile Strength ( MPa ) | Elongation ( A 11.3 , % ) | kekerasan Vickers | |
M | O60 | 275-380 | ≥ 40 | 70-100 |
Y2 | H02 | 380-485 | 15 | 90-165 |
pilih kondisi perlakuan panas yang sesuai | 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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Thickness ( 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 |
Tolerance ( mm ) | ± 0.0025 | ± 0.004 | ± 0.005 | ± 0.0075 | ± 0.01 | ± 0.0125 |
Thickness ( 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 |
Tolerance ( mm ) | ± 0.015 | ± 0.02 | ± 0.025 | ± 0.03 | ± 0.04 | ± 0.05 |
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Thickness ( 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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Thickness ( mm ) | Edge Burr ( mm ), no greater than |
≤ 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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kondisi | Minimum Bend Inside Radius ( mm ) | |||
Thickness /t : 0.15-0.30mm | Thickness /t : 0.30-1.0mm | |||
arah yang baik | arah yang buruk | arah yang baik | arah yang buruk | |
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 |
Side curvature h ( mm/m ) | |||
| Width ( mm ) | Thickness ( 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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Width L ( mm ) | ≤ 50 | >50-200 | >200-625 |
Transverse curvature h ( mm ), not more than | 0.01 × L | 0.015 × L | 0.02 × L |
Longitudinal flatness (serpentine) | ||
Width ( mm ) | ≤ 100 | >100-625 |
Longitudinal straightness h ( mm/m ) | ≤ 3 | ≤ 5 |
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Width ( mm ) | ≤ 30 | >30-100 | >100-625 |
Torsion (°) | ≤ 10 | ≤ 5 | — |
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Width ( mm ) | ≤ 100 | >100-300 | >300-625 |
Warpage h ( mm/m ) | ≤ 50 | ≤ 100 | — |
