Pereti maitai kore waikura 420Nō te maitai kore waikura martensitic tēnei, he ātete ki te kakahu me te waikura, he pakeke rawa, ā, he iti iho te utu i ērā atu āhuatanga o te maitai kore waikura. He pai te pepa maitai kore waikura 420 mō ngā momo mīhini tika katoa, ngā peera, ngā taputapu hiko, ngā taputapu, ngā taputapu, ngā mita, ngā waka, ngā taputapu whare, me ētahi atu. Ko te maitai kore waikura 420 te nuinga o te wā e whakamahia ana i roto i te hanga wāhanga e ātete ana ki te waikura hau, te kohu wai, te wai me te waikawa oxidative.
Paerewa whakahaere pepa kowiri tira Haina 420:
GB/T 3280-2015 “Pepa me te Rīpene Rino Kowiri tira Matao”
GB/T 4237-2015 “Pereti me te rīpene maitai kowiri tira wera-hurihuri”
GB/T 20878-2007 “Ngā momo maitai kore waikura me te maitai ātete-wera me te hanganga matū”
Pereti kowiri tira 420 i Haina:
Ngā momo hou: 20Cr13, 30Cr13, 40Cr13.
Ngā momo tawhito: 2Cr13, 3Cr13, 4Cr13.
Ngā āhuatanga me ngā whakamahinga o te pepa maitai kore waikura Haina 420:
Kowiri tira 20Cr13: he tino pakari i te āhua tineia, he ātete pai ki te waikura. Mō ngā mata o te tāpine mamaoa.
Kowiri tira 30Cr13: He mārō ake i te 20Cr13 i muri i te tinei, e whakamahia ana hei taputapu tapahi, hei pūwero, hei nohoanga takirere, hei takirere, me ētahi atu.
40Cr13 kowiri tira: He mārō ake i te 30Cr13 i muri i te tinei, e whakamahia ana hei taputapu tapahi, hei pūwero, hei nohoanga takirere, hei takirere, me ētahi atu.
Te wā tuku: Hurae-31-2023