ʻO ka ikaika o ka hoʻoulu ʻana ʻo ia ka palena hua o GB CM690 GB/T 18669 i ka wā e hāʻawi ai, ʻo ia hoʻi, ke koʻikoʻi e pale ana i ka micro-plastic deformation. ʻO ka ikaika o waho i ʻoi aku ka ikaika ma mua o ka ikaika e hoʻohua ai i nā ʻāpana GB CM690 GB/T 18669 mau ʻole a hiki ʻole ke hoʻōla hou. Ma lalo o kēia, e hoʻi nā ʻāpana GB CM690 GB/T 18669 i ko lākou ʻano kumu.
ʻO ka ikaika tensile ka waiwai koʻikoʻi o ka hoʻololi ʻana mai ka hoʻololi ʻana i ka plastic plastic deformation i ka deformation plastic concentrated kūloko. ʻO ia hoʻi ka hiki ke lawe haʻahaʻa kiʻekiʻe loa o GB CM690 GB/T 18669 ma lalo o ka haʻalulu paʻa. ʻO ka ikaika tensile ke kūpaʻa e hōʻike ana i ka deformation plastic ʻaʻahu kiʻekiʻe loa o GB CM690 GB/T 18669. ʻO ka hoʻololi ʻana o nā specimens tensile he kūlike ma mua o ka lawe ʻana i ke koʻikoʻi tensile kiʻekiʻe, akā ma waho o kēlā, ʻo ka GB CM690 GB/T 18669 hoʻomaka i ka ʻāʻī, i.e. concentrate deformation.
Hāʻawi Rp0.2 (MPa) |
Kuʻi Rm (MPa) |
Ka hopena KV/Ku (J) |
ʻO ka lōʻihi A (%) |
Hoemi i ka pauku kea ma ka haki Z (%) |
Kūlana-Hoʻomaʻamaʻa ʻia me ka wela | ʻO ka paʻakikī Brinell (HBW) |
---|---|---|---|---|---|---|
812 (≥) | 174 (≥) | 22 | 32 | 33 | Hoʻonā a me ka ʻelemakule, Annealing, Ausaging, Q + T, etc | 344 |
ʻO nā waiwai kino o GB CM690 GB/T 18669 e uhi nui i ka modulus o ka elasticity, coefficient of thermal expansion, thermal conductivity, specific thermal capacity, electric resistance value, density, poisson's ratio, etc.
Mahana (°C) |
Modulus o ka elasticity (GPa) |
Mean coefficient o ka hoonui wela 10-6/(°C) ma waena o 20(°C) a me | ʻO ke kau wela wela (W/m·°C) |
Ka mana wela kūikawā (J/kg·°C) |
Kū'ē uila kūikawā (Ω mm²/m) |
ʻO ka mānoanoa (kg/dm³) |
ʻO ke koena o Poisson, ν |
---|---|---|---|---|---|---|---|
31 | - | - | 0.41 | - | |||
834 | 386 | - | 24.3 | 231 | - | ||
671 | - | 43 | 14.2 | 244 | 213 |