Ọna iyasọtọ irin jẹ oriṣiriṣi, ọna akọkọ ni awọn meje wọnyi:
1, ni ibamu si awọn didara classification
(1) irin lasan (P 0.045% tabi kere si, S 0.050% tabi kere si)
(2) irin to gaju (P, S jẹ 0.035% tabi kere si)
(3) irin to gaju (P 0.035% tabi kere si, S 0.030% tabi kere si)
2, ti a pin nipasẹ akojọpọ kemikali
Irin ìwọnba (1) erogba irin: a. 0.25% tabi kere si (C); B. irin alabọde erogba (C acuities wà 0.25 ~ 0.60%); C. irin erogba giga (0.60%) tabi kere si c.
(2) irin alloy: a. irin alloy kekere (akoonu ohun elo alloy lapapọ 5% tabi kere si); B. ni irin alloy (akoonu ohun elo lapapọ> 5 ~ 10%); C. ga alloy, irin (alloy ano lapapọ akoonu> 10%).
3, ni ibamu si awọn lara ọna ti classification
(1) irin ayederu; (2) irin simẹnti; (3) irin ti o gbona, (4) irin ti a fa tutu.
4, ni ibamu si microstructure classification
(1) ipinle annealing: a. irin hypoeutectoid (ferrite + pearlite); B. eutectoid irin (pearlite); C. irin hypereutectoid (pearlite ati cementite); D. ledeburite irin (pearlite ati cementite).
(2) ni ipò iná: a. pearlitic, irin; B. irin bainite; C. irin martensitic; D. irin austenitic.
(3) laisi iyipada alakoso tabi apakan ti iyipada alakoso
5, ni ibamu si idi isọdi
(1) irin ikole ati ina-: a. arinrin erogba irin igbekale; B. kekere alloy igbekale irin; C. fikun irin.
(2) irin igbekale: a. ẹrọ ẹrọ parun ati tempered irin: (a) irin igbekale; (b) irin líle dada: pẹlu carburizing, irin, permeability ti amonia, irin, dada quenching irin; (c) irin gige ọfẹ; (d) ṣiṣu tutu ti n ṣe irin: pẹlu irin ti o tutu, irin akori tutu.
B. irin orisun omi
C. irin ti nso
(3) irin irin: a. irin ọpa erogba; B. irin alloy irin; C. awọn irin irin irinṣẹ iyara giga.
(4) iṣẹ pataki ti irin: a. irin alagbara, irin-ẹri acid; B. Ooru sooro irin, pẹlu ifoyina ooru kikankikan, irin, irin àtọwọdá; C. irin alloy electrothermal; D. wọ sooro irin; E. irin cryogenic; F. irin itanna.
(5) irin alamọdaju, gẹgẹbi Awọn afara pẹlu irin, irin ọkọ oju omi, irin igbomikana, irin ohun elo titẹ, ẹrọ ogbin, irin, bbl
6, okeerẹ classification
(1) irin lasan
A. Q195 erogba igbekale irin: (a); (b) Q215 (A, b); (c) Q235 (A, B, c); (d) Q255 (A, B); Q275 (e).
B. kekere alloy igbekale irin
C. pataki-idi wọpọ irin igbekale
(2) irin didara to gaju (pẹlu irin didara to gaju)
A. ga didara erogba igbekale, irin igbekale irin: (a); (b) irin igbekalẹ alloy; (c) irin orisun omi; (d) irin gige ọfẹ; (e) irin ti o ru; (f) pato LILO ga didara irin.
B. irin irin erogba ọpa irin: (a); (b) irin alloy irin, (c) awọn irin irinṣẹ iyara to gaju.
Akoko ifiweranṣẹ: Oṣu kọkanla-02-2021