Matla a ho kotuloa ke moeli oa kotulo oa GB CM690 GB/T 18669 ha tefello e etsahala, ke hore, khatello ea maikutlo e hanana le ho senyeha ha microplastic. Matla a kantle ho feta matla a tlhahiso a tla etsa hore likarolo tsa GB CM690 GB/T 18669 e hlolehe ka ho feletseng 'me li se khone ho hlaphoheloa. Ka tlase ho sena, likarolo tsa GB CM690 GB/T 18669 li tla khutlela sebopehong sa tsona sa pele.
Matla a thata ke boleng ba bohlokoa ba phetoho ho tloha ho deformation ea polasetiki e ts'oanang ho ea sebakeng sa heno. Hape ke palo e kholo ea ho jara meroalo ea GB CM690 GB/T 18669 tlas'a static tension. Matla a thata ke khanyetso e khethollang boholo bo boholo ba ho senyeha ha polasetiki ho GB CM690 GB/T 18669. Ho fetoha ha lisampole tsa tensile ho tšoana pele li jara khatello ea maikutlo, empa ho feta moo, GB CM690 GB/T 18669 qala ho molala, i.e. concentrate deformation.
Khefutsa Rp0.2 (MPa) |
Tensile Rm (MPa) |
Tšusumetso KV/Ku (J) |
Elongation A (%) |
Ho fokotseha ha karolo ea sefapano ho robeha Z (%) |
Boemo ba ho Tšoaroa ke Mocheso | Brinell hardness (HBW) |
---|---|---|---|---|---|---|
812 (≥) | 174 (≥) | 22 | 32 | 33 | Tharollo le botsofali, Annealing, Ausaging, Q+T, joalo-joalo | 344 |
Maemo a 'mele a GB CM690 GB/T 18669 haholo-holo a koahela modulus ea elasticity, coefficient of thermal expansion, thermal conductivity, specific the thermal capacity, motlakase o hanang, density, poisson's ratio, joalo-joalo.
Mocheso (°C) |
Modulus ea elasticity (GPA) |
Kakaretso coefficient ea katoloso ea mocheso 10-6/(°C) lipakeng tsa 20(°C) le | Thermal conductivity (W/m·°C) |
Matla a khethehileng a mocheso (J/kg·°C) |
Restivity e khethehileng ea motlakase (Ω mm²/m) |
Botenya (kg/dm³) |
Poisson's coefficient, ν |
---|---|---|---|---|---|---|---|
31 | - | - | 0.41 | - | |||
834 | 386 | - | 24.3 | 231 | - | ||
671 | - | 43 | 14.2 | 244 | 213 |