40CrMo 42CrMo 42CrMo4 Alloy Steel Pipes/Tubes

40CrMo 42CrMo 42CrMo4 Alloy Steel Pipes/Awọn tubes Ti Afihan Aworan

Apejuwe kukuru:

42CrMo alloy seamless pipe jẹ irin agbara giga-giga pẹlu agbara giga ati lile, lile ti o dara, ko si brittleness ti o han gbangba, ati abuku kekere lakoko piparẹ.Lẹhin quenching ati tempering, 42CrMo alloy seamless pipe ni opin rirẹ giga ati resistance resistance pupọ, lile ipa ti o dara ni iwọn otutu kekere, ati agbara ti nrakò ati agbara ifarada ni iwọn otutu giga.Dada quenching lẹhin quenching ati tempering ti wa ni maa lo bi awọn ooru itọju eni fun 42CrMo alloy seamless oniho.

Fi imeeli ranṣẹ si wa

Alaye ọja

ọja Tags

Ọja Ifihan

O ni ko si kedere ibinu brittleness, kekere abuku nigba quenching, ga rirẹ iye to ati ọpọ ikolu resistance lẹhin quenching ati tempering itọju.42CrMo alloy pipe pipe ni ipa lile ti o dara ni iwọn otutu kekere ati agbara ti nrakò ati agbara ifarada ni iwọn otutu giga.Dada quenching lẹhin quenching ati tempering ti wa ni maa lo bi awọn ooru itọju eni fun 42CrMo alloy seamless oniho.

Alloy pataki irin: 41Cr4,25CrMo4,30CrMo4,34CrMo4,42CrMo4

OD: 20-660mm WT: 2.3-100mm L: 5.8M, 6M, 11.8M, 12M tabi eyikeyi miiran pato ipari.

Ohun elo: Ṣiṣe ẹrọ, Imọ-ẹrọ gbogbogbo, apa Kireni, Bushes, Awọn Cylinders Orisirisi, Awọn Rolls Conveyor, Awọn ọpa ṣofo, Awọn apakan ṣofo ati awọn paati, Awọn eso, Awọn oruka, bbl

Ohun elo ọja

Ohun elo 42CrMo alloy pipe pipe: irin pataki ti a lo fun awọn afara jẹ “42CrMo”, irin pataki fun awọn girders mọto ayọkẹlẹ jẹ “42CrMo”, ati irin pataki fun awọn ohun elo titẹ jẹ “42CrMo”.Iru irin yii ṣe ilọsiwaju awọn ohun-ini ẹrọ ti irin nipasẹ ṣiṣatunṣe akoonu erogba (c).Nitorinaa, ni ibamu si akoonu erogba, iru irin yii le pin si: irin kekere erogba - akoonu erogba ni gbogbogbo kere ju 0.25%, bii 10 ati 20 irin;Irin erogba alabọde -- akoonu erogba ni gbogbogbo laarin 0.25 ati 0.60%, gẹgẹbi 35 ati 45 irin;Irin erogba giga - akoonu erogba ni gbogbogbo tobi ju 0.60%.Iru irin yii kii ṣe lo lati ṣe awọn paipu irin.

Ohun elo Aṣoju
Dara fun ṣiṣe awọn apẹrẹ ṣiṣu nla ati alabọde ti o nilo agbara kan ati lile.

Ifihan ọja

Iṣiro Kemikali (Onínọmbà Simẹnti) Fun Awọn tubes Ti a Ṣe Lati Awọn Irin Akanse Alloy Ni% Nipa Mass^a

Ipele irin		C		Si	Mn		P	S	Cr		Mo		Ni
Orukọ irin	Nọmba irin	min.	o pọju.	o pọju.	min.	o pọju.	o pọju.	o pọju.	min.	o pọju.	min.	o pọju.	min.	o pọju.
41Cr4	1.7035	0,38	0,45	0,40	0,60	0,90	0,035	0,035	0,90	1,20	-	-	-	-
25CrMo4	1.7218	0,22	0,29	0,40	0,60	0,90	0,035	0,035	0,90	1,20	0,15	0,30	-	-
30CrMo4	1.7216	0,27	0,34	0,35	0,35	0,60	0,035	0,035	0,80	1,15	0,15	0,30	-	-
34CrMo4	1.7220	0,30	0,37	0,40	0,60	0,90	0,035	0,035	0,90	1,20	0,15	0,30	-	-
42CrMo4	1.7225	0,38	0,45	0,40	0,60	0,90	0,035	0,035	0,90	1,20	0,15	0,30	-	-
a Wo tun 7.1.
b<0,25% Cu.

Awọn ohun-ini ẹrọ fun Awọn tube Ṣe Awọn irin ni ibamu pẹlu Tabili 6 ni Ipo Ifijiṣẹ +QT

Ipele irin		Awọn ohun-ini fifẹ to kere julọ
Orukọ irin	Nọmba irin	Agbara ikore (ReH) MPa				Agbara fifẹ (RM) MPa				Ilọsiwaju A%
		Fun T ni mm				Fun T ni mm				Fun T ni mm
		T≤8	8 \| T≤20	20 \| T≤50	50 \|T≤80	T≤8	8 \| T≤20	20 \| T≤50	50 \|T≤80	T≤8		8 \| T≤20		20 \| T≤50		50 \|T≤80
		T≤8	8 \| T≤20	20 \| T≤50	50 \|T≤80	T≤8	8 \| T≤20	20 \| T≤50	50 \|T≤80	l	t	l	t	l	t	l	t
41Cr4	1.7035	800	660	560	-	1000	900	800	-	11	9	12	10	14	12	-	-
25CrMo4	1.7218	700	600	450	400	900	800	700	650	12	10	14	12	15	13	16	14
30CrMo4	1.7216	750	630	520	480	950	850	750	700	12	10	13	11	14	12	15	13
34CrMo4	1.7220	800	650	550	500	1000	900	800	750	11	9	12	10	14	12	15	13
42CrMo4	1.7225	900	750	650	550	1100	1000	900	800	10	8	11	9	12	10	13	11
AKIYESI l = gigun, t = ifapa.

Tolerances Lori Ita opin Ati Lori Sisanra

Awọn ifarada ti Awọn Gigun:
Nigbati Gigun ba dọgba si 6000mm, Awọn ifarada 0/+10
Nigbati 6 000 <L = 12 000, Awọn ifarada 0/+15
Nigbati> 12 000, Awọn ifarada 0/+ nipasẹ adehun
Sipesifikesonu ilana ati awọn ohun-ini ti ara ti paipu irin 42CrMo
42CrMo irin pipe, erogba akoonu: 0.38 ~ 0.45%, silikoni: 0.17 ~ 0.37%, manganese: 0.50 ~ 0.80%.

Paipu irin 42CrMo jẹ ti irin alagbara giga-giga, pẹlu agbara giga ati lile, lile ti o dara, ko si brittleness tempering ti o han gbangba, opin rirẹ giga ati resistance ipa pupọ lẹhin quenching ati itọju tempering, ati ipa lile iwọn otutu kekere ti o dara.

Irin naa dara fun iṣelọpọ awọn apẹrẹ ṣiṣu nla ati alabọde ti o nilo agbara kan ati lile.Aami ami agbari boṣewa kariaye ti o baamu: 42CrMo4 ni ibamu si ami iyasọtọ Japanese: scm440 ni ibamu si ami iyasọtọ German: 42CrMo4 isunmọ ni ibamu si ami iyasọtọ Amẹrika: awọn abuda 4140 ati ipari ohun elo: agbara giga, hardenability, toughness ti o dara, abuku kekere lakoko piparẹ, agbara ti nrakò ati agbara ifarada ni iwọn otutu giga.O ti wa ni lo lati lọpọ forgings pẹlu ti o ga agbara ati ki o tobi quenching ati tempering agbelebu-apakan ju 35CrMo, irin, gẹgẹ bi awọn ti o tobi jia fun locomotive isunki, gbigbe jia ti supercharger, ru axle, asopọ opa ati orisun omi dimole pẹlu nla fifuye, lu paipu isẹpo ati ọpa ipeja fun epo jinle daradara ni isalẹ 2000m, ati mimu fun ẹrọ atunse.

Kemikali Tiwqn

Sulfur s: akoonu iyokù ti a gba laaye ≤ 0.035%

Phosphorus P: akoonu ti o ku laaye ≤ 0.035%

Chromium (CR): 0.90 ~ 1.20%

Nickel Ni: akoonu ti o ku laaye ≤ 0.030%

Copper Cu: akoonu ti o ku laaye ≤ 0.030%

Molybdenum (MO): 0.15 ~ 0.25%

Allowable wahala ti 42CrMo

42CrMo Allowable wahala 186 ~ 310 / MPa, ikore ojuami 930 σ S / MPa, 42CrMo ni o ni ga agbara, hardenability, ti o dara toughness, kekere abuku nigba quenching, ati ki o ga ti nrakò agbara ati ìfaradà agbara ni ga otutu.42CrMo paipu irin ti wa ni lilo lati ṣe awọn forgings pẹlu agbara ti o ga ati ki o tobi parun ati tempered apakan ju 35CrMo irin.

Ohun-ini Ti ara

1) Lominu iwọn otutu (isunmọ): AC1 = 730 ° C, AC3 = 800 ° C, Ms = 310 ° C.

2) Olusọdipúpọ imugboroja laini: iwọn otutu 20 ~ 100 ° C / 20 ~ 200 ° C / 20 ~ 300 ° C / 20 ~ 400 ° C / 20 ~ 500 ° C / 20 ~ 600 ° C, olùsọdipúpọ imugboroja laini: 11.1 × 10K /12.1 × 10K/12.9 × 10K/13.5 × 10K/13.9 × 10K14.1 × 10K.

3) Iwọn rirọ: iwọn otutu 20 ° C / 300 ° C / 400 ° C / 500 ° C / 600 ° C, rirọ modulus 210000mpa / 185000mpa / 175000mpa / 165000mpa / 15500mpa

Sipesifikesonu ilana

Gbona ṣiṣẹ sipesifikesonu
Iwọn otutu alapapo jẹ 1150 ~ 1200 ° C, iwọn otutu ibẹrẹ jẹ 1130 ~ 1180 ° C, ati iwọn otutu ipari jẹ> 850 ° C, φ> 50mm, itutu agbaiye lọra.

Normalizing sipesifikesonu
Iwọn otutu deede jẹ 850 ~ 900 ° C, ati ileru ti tutu nipasẹ afẹfẹ.

Ga otutu tempering sipesifikesonu
Awọn iwọn otutu otutu jẹ 680 ~ 700 ° C, ati ileru ti wa ni tutu nipasẹ afẹfẹ.

Quenching ati tempering ni pato
Preheating otutu 680 ~ 700 ° C, quenching otutu 840 ~ 880 ° C, epo itutu, tempering otutu 580 ° C, omi itutu tabi epo itutu, líle ≤ 217hbw.

Sipesifikesonu fun subcritical okun ati toughening
Pipa otutu 900 ° C, otutu otutu 560 ° C, lile (37 ± 1) HRC

Sipesifikesonu fun fifa irọbi quenching ati tempering
Quenching otutu 900 ° C, tempering otutu 150 ~ 180 ° C, líle 54 ~ 60HRC.