Fektheri Bakeng sa AISI 4140 (42CrMo) Precision Seamless Steel Pipe 4130 4140 Chromoly Pipe Steel Seamless Alloy Steel Pipe
Tlhaloso e Khutšoanyane:
42CrMo alloy seamless pipe ke tšepe e matla e phahameng haholo e nang le matla a phahameng le ho tiea, ho thatafala hantle, ha ho na brittleness e hlakileng, le deformation e nyane nakong ea ho tima.Ka mor'a ho tima le ho futhumatsa, phala ea alloy ea 42CrMo e se nang moeli e na le moeli o phahameng oa mokhathala le ho hanyetsa liphello tse ngata, ho ba le tšusumetso e ntle ka mocheso o tlase, le matla a phahameng a ho lla le matla a mamello mocheso o phahameng.Ho tima ka holim'a metsi ka mor'a ho tima le ho futhumatsa hangata ho sebelisoa e le morero oa phekolo ea mocheso bakeng sa liphaephe tse se nang seamless tsa 42CrMo.
Sepheo sa rona e lokela ho ba ho ba mofani oa thepa ea theknoloji e phahameng le lisebelisoa tsa puisano ka ho fana ka sebopeho se ekelitsoeng ka theko, tlhahiso ea maemo a lefats'e, le bokhoni ba litšebeletso bakeng sa Fektheri ea AISI 4140 (42CrMo) Precision Seamless Steel Pipe 4130 4140 Chromoly Pipe. Steel Seamless Alloy Steel Pipe, Re amohela bareki ba tsoang hohle lefats'eng ka mofuthu bakeng sa mofuta ofe kapa ofe oa tšebelisano 'moho le rona ho theha melemo e tlang ho bohle.Re ntse re inehela ka pelo eohle ho fa bareki litšebeletso tse ntle ka ho fetisisa.
Sepheo sa rona e lokela ho ba ho ba mofani oa thepa ea theknoloji e phahameng ea theknoloji le puisano ka ho fana ka sebopeho se ekelitsoeng ka theko, tlhahiso ea maemo a lefats'e, le bokhoni ba litšebeletso bakeng saChina AISI 4140 Alloy Steel Pipe, Ke hobane’ng ha re ka etsa lintho tsee?Hobane: A, Re tšepahala ebile rea tšepahala.Lihlahisoa tsa rona li na le boleng bo phahameng, theko e khahlehang, bokhoni bo lekaneng ba phepelo le tšebeletso e phethahetseng.B, Sebaka sa rona sa libaka se na le molemo o moholo .C, Mefuta e fapaneng: Amohela potso ea hau, E tla ananeloa haholo.
Ha e na brittleness e hlakileng ea bohale, deformation e nyane nakong ea ho tima, moeli o phahameng oa mokhathala le ho hanyetsa ka makhetlo a mangata ka mor'a ho tima le ho halefisa phekolo.42CrMo alloy seamless pipe e na le tšusumetso e matla ka mocheso o tlase le matla a phahameng a creep le matla a mamello mocheso o phahameng.Ho tima ka holim'a metsi ka mor'a ho tima le ho futhumatsa hangata ho sebelisoa e le morero oa phekolo ea mocheso bakeng sa liphaephe tse se nang seamless tsa 42CrMo.
Alloy tšepe e khethehileng:41Cr4,25CrMo4,30CrMo4,34CrMo4,42CrMo4
OD: 20-660mm WT: 2.3-100mm L: 5.8M, 6M, 11.8M, 12M kapa bolelele bofe kapa bofe bo boletsoeng.
Kopo: Machining, Boenjiniere ba Kakaretso, letsoho la crane, Lihlahla, Li-cylinders tse fapa-fapaneng, Conveyor Rolls, Hollow Shafts, Hollow Parts le likarolo, Nuts, Rings, joalo-joalo.
Kopo ea 42CrMo alloy seamless pipe: tšepe e khethehileng e sebelisetsoang marokho ke "42CrMo", tšepe e khethehileng bakeng sa li-girders tsa likoloi ke "42CrMo", 'me tšepe e khethehileng bakeng sa likepe tsa khatello ke "42CrMo".Mofuta ona oa tšepe o ntlafatsa thepa ea mochini oa tšepe ka ho lokisa litaba tsa carbon (c).Ka hona, ho ea ka lihlahisoa tsa carbon, mofuta ona oa tšepe o ka aroloa ka: tšepe e tlaase ea carbon - carbon content hangata e ka tlaase ho 0,25%, e kang 10 le 20 tšepe;Medium carbon steel — carbon content hangata e pakeng tsa 0.25 le 0.60%, tse kang 35 le 45 steel;High carbon steel - khabone ka kakaretso e kholo ho feta 0.60%.Mofuta ona oa tšepe hangata ha o sebelisoe ho etsa liphaephe tsa tšepe.
Tšebeliso e Tloaelehileng
E loketse ho etsa liforomo tsa polasetiki tse kholo le tse mahareng tse hlokang matla le boima bo itseng.
| Kereiti ea tšepe | C | Si | Mn | P | S | Cr | Mo | Ni | ||||||
| Lebitso la tšepe | Nomoro ea tšepe | min. | max. | max. | min. | max. | max. | max. | min. | max. | min. | max. | min. | max. |
| 41Kr4 | 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 Sheba hape 7.1. | ||||||||||||||
| b<0,25% Cu. | ||||||||||||||
| Kereiti ea tšepe | Lintho tse fokolang tse fokolang | ||||||||||||||||
| Lebitso la tšepe | Nomoro ea tšepe | Matla a chai (ReH) MPa | Matla a ho tiea ( Rm) MPa | Elongation A% | |||||||||||||
| Bakeng sa T ka mm | Bakeng sa T ka mm | Bakeng sa T ka 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 | ||||||
| l | t | l | t | l | t | l | t | ||||||||||
| 41Kr4 | 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 |
| ELA HLOKO l = longitudinal, t = parolano. | |||||||||||||||||
Tolerances of Lengths:
Ha Bolelele bo lekana le 6000mm, Mamello 0/+10
Ha 6 000 <L =12 000, Mamello 0/+15
Ha > 12 000,Ho mamella 0/+ ka tumellano
Tlhaloso ea ts'ebetso le thepa ea 'mele ea phala ea tšepe ea 42CrMo
Pipe ea tšepe ea 42CrMo, carbon content: 0.38 ～ 0.45%, silicon: 0.17 ~ 0.37%, manganese: 0.50 ～ 0.80%.
Pipe ea tšepe ea 42CrMo ke ea tšepe e matla haholo, e nang le matla a phahameng le ho tiea, ho thatafala ho hoholo, ho se be le brittleness e hlakileng, moeli o phahameng oa mokhathala le ho hanyetsa ka makhetlo a mangata ka mor'a ho tima le ho halefa, le ho ba le tšusumetso e ntle ea mocheso o tlase.
Tšepe e loketse ho etsa liforomo tsa polasetiki tse kholo le tse mahareng tse hlokang matla le boima bo itseng.Letšoao la eona le lumellanang le maemo a machabeng: 42CrMo4 e lumellana le mofuta oa Majapane: scm440 e lumellana le mofuta oa Jeremane: 42CrMo4 hoo e ka bang e lumellana le mofuta oa Amerika: litšoaneleho tse 4140 le boholo ba ts'ebeliso: matla a phahameng, ho thatafala, boima bo botle, deformation e nyane nakong ea ho tima, matla a phahameng a ho qhekella. matla a ho mamella mocheso o phahameng.E sebelisoa ho etsa forgings e nang le matla a phahameng le karolo e kholo ea ho tima le ho futhumatsa ho feta tšepe ea 35CrMo, joalo ka lisebelisoa tse kholo bakeng sa ho ts'oara li-locomotive traction, lisebelisoa tsa phetisetso ea supercharger, axle e ka morao, molamu o kopanyang le clamp ea selemo e nang le moroalo o mongata, motsoako oa phala ea ho cheka le sesebelisoa sa ho tšoasa litlhapi bakeng sa oli e tebileng ka tlase ho 2000m, le hlobo bakeng sa mochini o kobehang.
Sulphur s: litaba tse setseng tse lumelletsoeng ≤ 0.035%
Phosphorus P: litaba tse setseng tse lumelletsoeng ≤ 0.035%
Chromium (CR): 0.90 ～ 1.20%
Nickel Ni: litaba tse setseng tse lumelletsoeng ≤ 0.030%
Copper Cu: litaba tse setseng tse lumelletsoeng ≤ 0.030%
Molybdenum (MO): 0.15 ～ 0.25%
Khatello e lumelletsoeng ea 42CrMo
42CrMo e lumellehang khatello ea maikutlo 186 ～ 310 / MPa, ntlha ea lihlahisoa 930 σ S / MPa, 42CrMo e na le matla a phahameng, boima, boima bo botle, deformation e nyane nakong ea quenching, le matla a phahameng a creep le matla a mamello mocheso o phahameng.Pipe ea tšepe ea 42CrMo e sebelisetsoa ho etsa forgings ka matla a phahameng le karolo e kholoanyane e tingoeng le e halefileng ho feta 35CrMo steel.
1) Mocheso oa ntlha ea bohlokoa (hoo e ka bang): AC1 = 730 ° C, AC3 = 800 ° C, Ms = 310 ° C.
2) Linear katoloso coefficient: mocheso 20 ~ 100 ° C / 20 ~ 200 ° C / 20 ~ 300 ° C / 20 ~ 400 ° C / 20 ~ 500 ° C / 20 ~ 600 ° C, linear katoloso coefficient: 11.1 × 1 × 1 /12.1 × 10K/12.9 × 10K/13.5 × 10K/13.9 × 10K14.1 × 10K.
3) Elastic modulus: mocheso 20 ° C / 300 ° C / 400 ° C / 500 ° C / 600 ° C, rekere modulus 210000mpa / 185000mpa / 175000mpa / 165000mpa / 15500mpa
Tlhaloso ea ts'ebetso e chesang
Mocheso oa ho futhumatsa ke 1150 ~ 1200 ° C, mocheso oa ho qala ke 1130 ~ 1180 ° C, 'me mocheso o qetellang ke> 850 ° C, φ> 50mm, ho pholile butle.
Tlhaloso e tloaelehileng
Mocheso o tloaelehileng ke 850 ~ 900 ° C, 'me sebōpi se pholile ka moea.
Tlhaloso e phahameng ea mocheso oa mocheso
Mocheso oa mocheso ke 680 ~ 700 ° C, 'me sebōpi se pholile ka moea.
Litokisetso tsa ho futhumatsa le ho futhumatsa
Preheating mocheso 680 ~ 700 ° C, quenching mocheso 840 ~ 880 ° C, oli tsidifatso, tempering mocheso 580 ° C, metsi tsidifatso kapa oli tsidifatso, boima ≤ 217hbw.
Specification bakeng sa ho matlafatsa subcritical le toughening
Mocheso oa ho tima 900 ° C, mocheso oa mocheso oa 560 ° C, boima (37 ± 1) HRC
Specification bakeng sa ho tima le ho futhumatsa ka induction
Mocheso oa ho tima 900 ° C, mocheso oa mocheso oa 150 ~ 180 ° C, boima ba 54 ~ 60HRC.
Tlhaloso ea ts'ebetso e chesang
Mocheso oa ho futhumatsa ke 1150 ~ 1200 ° C, mocheso oa ho qala ke 1130 ~ 1180 ° C, 'me mocheso o qetellang ke> 850 ° C, φ> 50mm, ho pholile butle.
Tlhaloso e tloaelehileng
Mocheso o tloaelehileng ke 850 ~ 900 ° C, 'me sebōpi se pholile ka moea.
Tlhaloso e phahameng ea mocheso oa mocheso
Mocheso oa mocheso ke 680 ~ 700 ° C, 'me sebōpi se pholile ka moea.
Litokisetso tsa ho futhumatsa le ho futhumatsa
Preheating mocheso 680 ~ 700 ° C, quenching mocheso 840 ~ 880 ° C, oli tsidifatso, tempering mocheso 580 ° C, metsi tsidifatso kapa oli tsidifatso, boima ≤ 217hbw.
Specification bakeng sa ho matlafatsa subcritical le toughening
Mocheso oa ho tima 900 ° C, mocheso oa mocheso oa 560 ° C, boima (37 ± 1) HRC
Specification bakeng sa ho tima le ho futhumatsa ka induction
Mocheso oa ho tima 900 ° C, mocheso o futhumatsang 150 ~ 180 ° C, boima ba 54 ~ 60HRC. Sepheo sa rona e lokela ho ba ho ba mofani oa thepa ea theknoloji e phahameng ea theknoloji le lisebelisoa tsa puisano ka ho fana ka mohaho o ekelitsoeng oa theko, o hlahisang lefatše, le bokhoni ba ts'ebeletso bakeng sa Fektheri Bakeng sa AISI 4140 (42CrMo) Precision Seamless Steel Pipe From Factory 4130 4140 Chromoly 4130 Sleeve Pipe Steel Seamless Cold Tube Alloy Steel Pipe, Re amohela ka mofuthu bareki ba tsoang hohle lefatšeng bakeng sa tšebelisano ea mofuta ofe kapa ofe le rona. theha molemo o mong o tlang.Re ntse re inehela ka pelo eohle ho fa bareki litšebeletso tse ntle ka ho fetisisa.
Fektheri Bakeng sa Pipe ea Tšepe ea Alloy ea China le Pipe ea Seamless Steel ea Precision, Hobaneng re ka etsa tsee?Hobane: A, Re tšepahala ebile rea tšepahala.Lihlahisoa tsa rona li na le boleng bo phahameng, theko e khahlehang, bokhoni bo lekaneng ba phepelo le tšebeletso e phethahetseng.B, Sebaka sa rona sa libaka se na le molemo o moholo .C, Mefuta e fapaneng: Amohela potso ea hau, E tla ananeloa haholo.
