42CrMo alloy irin pipe jẹ iru paipu irin pẹlu agbara giga, líle giga, ati resistance resistance to gaju, ti a ṣe42CrMo irin alloy.O ni awọn ohun-ini ẹrọ ti o dara, gẹgẹbi agbara giga, lile giga, resistance resistance to ga julọ, ati ipata ipata, ati pe o dara fun iṣelọpọ awọn ẹya ẹrọ ati awọn irinṣẹ pẹlu ẹru giga, agbara giga, ati awọn ibeere iṣẹ ṣiṣe giga.42CrMo alloy irin pipes ti wa ni lilo pupọ ni awọn aaye bii ọkọ ofurufu, afẹfẹ, ọkọ ayọkẹlẹ, iṣelọpọ ọkọ oju omi, epo, kemikali, irin-irin, ikole, ati iṣelọpọ ẹrọ.
1. Awọn alaye itọju ooru fun42CrMo irin tube irin alagbarajẹ bi atẹle: iwọn otutu alapapo 1150 ~ 1200 ° C, ti o bẹrẹ iwọn otutu 1130 ~ 1180 ° C, ati iwọn otutu ipari> 850 ° C, φ> Ni 50mm, itutu agbaiye lọra.
2. Deede sipesifikesonu: Normalizing otutu ni 850 ~ 900 ° C, pẹlu air itutu lẹhin ti idasilẹ.
3. Iwọn iwọn otutu ti o ga julọ: Iwọn otutu otutu 680-700 ° C, afẹfẹ tutu lẹhin igbasilẹ ileru.
4. Quenching ati tempering ni pato: preheating otutu 680-700 ° C, quenching otutu 840-880 ° C, epo itutu, tempering otutu 580 ° C, omi tabi epo itutu, líle ≤ 217HBW.
5. Sipesifikesonu fun iha otutu quenching ati toughening itọju: quenching otutu 900 ° C, tempering otutu 560 ° C, líle (37 ± 1) HRC6, fifa irọbi quenching ati tempering sipesifikesonu: quenching otutu 900 ° C, tempering otutu 150-180 ° C , líle 54-60HRC.
6. 42CrMo irin ti wa ni abẹ si itọju cryogenic, eyiti o le ṣaju awọn carbide ultrafine ti o tuka pupọ lati inu martensite ti a ti pa.Lẹhin iwọn otutu kekere ni 200 ℃, awọn carbide ultrafine wọnyi le yipada si awọn carbides.
Akoko ifiweranṣẹ: Jun-06-2023