DNV Gred NV A steel plate
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Haba dirawat: 1233 degree - 1898 degree .
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DNV Gred NV A Mekanikal Properties
| Hasil Rp0.2 (MPa) |
Tegangan Rm (MPa) |
Kesan KV/Ku (J) |
Pemanjangan A (%) |
Pengurangan in cross section on fracture Z (%) |
As-Heat-Dirawat Keadaan | Brinell kekerasan (HBW) |
|---|---|---|---|---|---|---|
| 839 ( Greater than or equal to ) | 757 ( Lebih Besar daripada atau sama kepada ) | 33 | 44 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 424 |
DNV Gred NV A Fizikal Properties
Fizikal properties of DNV Grade NV A are mainly indicated by modulus of electrical resistance value, thermal conductivity, specific thermal capacity, coefficient of thermal expansion, elasticity, poisson's ratio, density, etc.
| Suhu ( darjah ) |
Modulus of keanjalan (IPK) |
Min pekali daripada thermal expansion 10-6/( degree ) between 20( degree ) dan | Termal kekonduksian (W/m· degree ) |
Spesifik elektrik resistiviti |
(kg/dm³) |
Poisson's pekali, ν | |
|---|---|---|---|---|---|---|---|
| 11 | - | - | 0.43 | - | |||
| 428 | 521 | - | 34.3 | 243 | - | ||
| 744 | - | 32 | 42.2 | 332 | 242 |
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