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20CrMnTi(H) kaho porotaka rino wera hurihia
20CrMnTi(H) kaho porotaka rino wera hurihia
20CrMnTi(H) kaho porotaka rino wera hurihia
20CrMnTi(H) kaho porotaka rino wera hurihia

20CrMnTi(H) kaho porotaka rino wera hurihia

GB 20CrMnTi taputapu maitai he GB paerewa Alloy Carburizing Gearing maitai, GB 20CrMnTi āhuatanga he chromium, konupora, Titanium koranu maitai whakaritenga. Ko te 20CrMnTi he rite ki etahi atu paerewa paerewa/Waika maitai, rino taputapu
Whakataki hua
Ko nga ahuatanga o te maitai o te taputapu koranu maitai, he pai te tukanga maimoatanga wera carburizing me te mahi o te maitai i ≤960 ℃ hanganga witi pai, whakamahia nuitia i roto i te roa-roa whakawera carburizing pāmahana, te witi tupu kahore hehema iti austenite toenga i muri tinei, Na, he kaha te kaha o te maitai me te mau kakahu, he pai te mahi tapahi, te mahi matua me te 20CrMnTi me te 20CrNi maitai rite. Te kaha tensile σ ≥1080MPa, te kaha tuku σ ≥885MPa, te elongation δ ≥10%, 45% te whakahekenga o te pupuhi, te kaha o te paanga (te pakari o te paanga) α ≥69J / cm, te pakeke ≤207 HB, te pakeke ≤207 HB1.
Raraunga hangarau
GB 20CrMnTi GB/T 3077 Hangaia

Ko nga ahuatanga miihini o nga konganuku GB 20CrMnTi GB/T 3077 ka whakatau i te awhe o te whaihua o tetahi rawa me te whakarite i te oranga ratonga ka taea te tumanako. Ka whakamahia hoki nga taonga miihini hei awhina i te whakarōpū me te tautuhi i nga rawa.

Tukunga
Rp0.2 (MPa)
Tirohanga
Rm (MPa)
Pānga
KV/Ku (J)
Te whakaroa
A (%)
Te whakaheke i te waahanga whakawhiti mo te pakaru
Z (%)
Tikanga-Heat-Treated Brinell pakeke (HBW)
912 (≥) 863 (≥) 23 33 44 Rongoā me te Aging, Annealing, Ausaging, Q + T, etc 212
Ko nga tawhā mahi a-tinana o GB 20CrMnTi GB/T 3077 e tino tohuhia ana e te kiato, te ōwehenga paihana, te kawe waiariki, te kaha waiariki motuhake, te whakarea o te roha waiariki, te taurangi o te elasticity, te uara parenga hiko, aha atu.
Te pāmahana
(°C)
Modulus o te elasticity
(GPa)
Taurangi taurite o te roha waiariki 10-6/(°C)
i waenganui i te 20(°C) me te
Te kawe werawera
(W/m·°C)
Te kaha waiariki motuhake
(J/kg·°C)
Te parenga hiko motuhake
(Ω mm²/m)
Kiato
(kg/dm³)
Ko te whakarea o Poisson, ν
24 - - 0.31 -
956 121 - 12.3 423 -
659 - 41 11.2 243 423

Te maimoatanga wera e pa ana

  • Te hiri o te 20CrMnTi Alloy Gearing maitai

Kia ata whakawerahia ki te 790-810 ℃ ka waiho kia nui nga wa, kia tino whakamahana te maitai, ka ata whakamatao i roto i te oumu. Ka rereke nga huarahi whakapouri rereke. Ko te 20CrMnTi Gearing maitai ka whiwhi i te Hardness MAX 248 HB (Brinell hardness).

  • Te tineia me te mahana o te 20CrMnTi puru maitai

He āta whakamahana ki te 788°C, Na ka maka ki roto i te oumu pati-tote kia mau ki te 1191 ℃ ki te 1204 ℃ 。 tinei i te hinu kia 60 ki te 66 HRc te pakeke. Te whakamahana i te pāmahana teitei: 650-700 ℃, te hau i te hau, te pakeke 22 ki te 30HRC. Te whakamahana i te pāmahana iti: 150-200 ℃, whakamatao i te ari, kia 61-66HRC te pakeke.

  • Mahi wera me te mahi makariri o te 20CrMnTi Alloy Gearing maitai

Ko te maitai GB 20CrMnTi ka taea te mahi wera i te 205 ki te 538°C, 20CrMnTi Bearing/Ka taea te mahi matao ma te whakamahi i nga tikanga tikanga i roto i nga tikanga kua whakahiatotia, kua whakaritea ranei.

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