Spesifikasi malaikat elektrik menara talian penghantaran
Design | |||||
1. gred voltan | bawah 500KV | ||||
struktur keluli | |||||
Tegangan keluli tinggi | Keluli lembut | ||||
2. gred | GB1591: Q345B, Q345C,Q3455D | GB700: Q235B, Q235C,Q235D | |||
EN10025:S355JR, S355J0, S355J2 | EN10025:S235JR,S235J0, S235J2 | ||||
ASTM A572 Gr50 | ASTM A36 | ||||
3. Kekuatan ketegangan (Mpa) | 470~ 630 Mpa | 360~ 510 Mpa | |||
4.kekuatan alah (t≤16mm) (Mpa) | 345 Mpa | 235 Mpa | |||
5. pemanjangan (%) | 20 | 24 | |||
6. Sharpy V-notch Test | 27J(20° C) | Q345B / S355JR | 27(20° C) | Q235B / S235JR | |
27(0° C) | Q345C / S355J0 / A572 Gr50 | 27(0° C) | Q235C / S235J0 / A36 | ||
27(-20° C) | Q345D / S355J2 | 27(-20° C) | Q235D / S235J2 | ||
Bolts & Nuts | |||||
7. gred | gred 4.8, 6.8, 8.8 | ||||
8. Standard bagi sifat-sifat mekanik | |||||
8.1 Bolts | ISO 898-1 | ||||
8.2 Nuts | ISO 898-2 | ||||
8.3 pencuci | ISO 6507-1 | ||||
9. Standard bagi Ukuran | |||||
9.1 Bolts | DIN7990 / DIN931 / DIN933 | ||||
9.2 Nuts | ISO4032 / ISO4034 | ||||
9.3 pencuci | DIN7989 / DIN127B / ISO7091 | ||||
menandakan | |||||
10. Kaedah penandaan ahli | Hydraulic Press Stamping | ||||
Welding | |||||
11. kaedah | CO2 Kimpalan Arka Berlindung & Tenggelam kimpalan arka(SAW) | ||||
12. standard | AWS D1.1 | ||||
galvanizing | |||||
13. standard Galvanization seksyen keluli | ISO 1461 atau ASTM A123 | ||||
14. standard Galvanization bolt dan kacang | ISO 1461 atau ASTM A153 | ||||
ujian | |||||
15. ujian kilang | ujian tegangan, analisis unsur-unsur, Sharpy V-notch ujian(ujian kesan), sejuk Bending, ujian Preece, Ujian tukul | ||||
16. ujian jenis | Jenis Ujian(IEC 60652:2002) |