420 alagbara, irin awojẹ ti irin alagbara martensitic, eyiti o ni awọn resistance yiya ati resistance ipata, líle giga, ati pe idiyele jẹ kekere ju awọn abuda irin alagbara irin miiran.420 irin alagbara, irin dì jẹ o dara fun gbogbo iru ẹrọ konge, bearings, itanna onkan, ẹrọ, ohun elo, mita, awọn ọkọ ti, ìdílé onkan, ati be be lo. omi ati ipata acid oxidative.
Ilana alase China 420 alagbara, irin:
GB/T 3280-2015 “Irin Alagbara, Irin Ti Yiyipo Irin Ati Rin”
GB/T 4237-2015 “ Irin alagbara, irin gbigbona, irin awo ati rinhoho”
GB/T 20878-2007 “irin alagbara ati awọn giredi irin sooro ooru ati akopọ kemikali”
420 irin alagbara, irin awo ni China:
Awọn ipele titun: 20Cr13, 30Cr13, 40Cr13.
Awọn ipele atijọ: 2Cr13, 3Cr13, 4Cr13.
Awọn abuda ati awọn lilo ti China 420 alagbara, irin dì:
20Cr13 irin alagbara, irin: ga líle ni quenched ipinle, ti o dara ipata resistance.Fun nya tobaini abe.
30Cr13 alagbara, irin: Lile ju 20Cr13 lẹhin quenching, lo bi gige irinṣẹ, nozzles, àtọwọdá ijoko, falifu, ati be be lo.
40Cr13 irin alagbara, irin: Le ju 30Cr13 lẹhin quenching, lo bi gige irinṣẹ, nozzles, àtọwọdá ijoko, falifu, ati be be lo.
Akoko ifiweranṣẹ: Jul-31-2023