Molemo ka ho fetisisa boleng aisi 4140 motsoako tšepe pipe
Re boetse re tsepamisitse maikutlo ho ntlafatseng tsamaiso ea lintho le lenaneo la QC ho etsa bonnete ba hore re ka boloka phaello e matla ho tsoa k'hamphaning e hlolisanoang haholo bakeng sa Phaephe ea tšepe ea boleng bo holimo ea aisi 4140, Re na le ts'epo ea ho etsa likatleho tse kholo nakong e tlang. Re labalabela ho ba e mong oa barekisi ba hau ba tšepahalang ka ho fetisisa.
Re ntse re tsepamisitse maikutlo ho ntlafatseng tsamaiso ea lintho le lenaneo la QC ho netefatsa hore re ka boloka phaello e ntle ho tsoa k'hamphaning e hlolisang ka matla bakeng sa4140 alloy pipe, 42crmo4 lintho tse bonahalang, EN10210 x11crmo4, Khampani ea rona e latela melao le mekhoa ea machaba. Re tšepisa ho ba le boikarabelo ho metsoalle, bareki le balekane bohle. Re ka rata ho theha kamano ea nako e telele le setsoalle le moreki e mong le e mong ea tsoang lefats'eng lohle motheong oa melemo e kopanetsoeng. Re amohela ka mofuthu bareki bohle ba khale le ba bacha ho etela k'hamphani ea rona ho buisana ka khoebo.
Kakaretso
Kopo
Haholo-holo e Sebelisoa ho Etsa Carbon Structural Steel, Alloy Structural Steel le meaho ea mochini.
Kereiti e ka Sehloohong
Mophato oa Tšepe ea Sebopeho sa Carbon: 10,20,35, 45, Q345, Q460, Q490, Q620, joalo-joalo
Mophato oa Alloy Structural Steel: 42CrMo, 35CrMo, joalo-joalo
Karolo ea Lik'hemik'hale
Kereiti ea tšepe | Boemo ba boleng | Sebopeho sa lik'hemik'hale | ||||||||||||||
C | Si | Mn | P | S | Nb | V | Ti | Cr | Ni | Cu | Nd | Mo | B | Als” | ||
ha e kholo ho feta | eseng ka tlase ho | |||||||||||||||
Q345 | A | 0.20 | 0.50 | 1.70 | 0.035 | 0.035 | 0.30 | 0.50 | 0.20 | 0.012 | 0.10 | —- | - | |||
B | 0.035 | 0.035 | ||||||||||||||
C | 0.030 | 0.030 | 0.07 | 0.15 | 0.20 | 0.015 | ||||||||||
D | 0.18 | 0.030 | 0.025 | |||||||||||||
E | 0.025 | 0.020 | ||||||||||||||
Q390 | A | 0.20 | 0.50 | 1.70 | 0.035 | 0.035 | 0.07 | 0.20 | 0.20 | 0.3 | 0.50 | 0.20 | 0.015 | 0.10 | - | - |
B | 0.035 | 0.035 | ||||||||||||||
C | 0.030 | 0.030 | 0,015 | |||||||||||||
D | 0.030 | 0.025 | ||||||||||||||
E | 0.025 | 0.020 | ||||||||||||||
Q42O | A | 0.20 | 0.50 | 1.70 | 0.035 | 0.035 | 0.07 | 0.2 | 0.20 | 0.30 | 0.80 | 0.20 | 0.015 | 0.20 | —- | —- |
B | 0.035 | 0.035 | ||||||||||||||
C | 0.030 | 0.030 | 0.015 | |||||||||||||
D | 0.030 | 0.025 | ||||||||||||||
E | 0.025 | 0.020 | ||||||||||||||
Q46O | C | 0.20 | 0.60 | 1.80 | 0.030 | 0.030 | 0.11 | 0.20 | 0.20 | 0.30 | 0.80 | 0.20 | 0.015 | 0.20 | 0.005 | 0.015 |
D | 0.030 | 0.025 | ||||||||||||||
E | 0.025 | 0.020 | ||||||||||||||
Q500 | C | 0j8 | 0.60 | 1.80 | 0.025 | 0.020 | 0.11 | 0.20 | 0.20 | 0.60 | 0.80 | 0.20 | 0.015 | 0.20 | 0.005 | 0.015 |
D | 0.025 | 0.015 | ||||||||||||||
E | 0.020 | 0.010 | ||||||||||||||
Q550 | C | 0.18 | 0.60 | 2.00 | 0.025 | 0,020 | 0.11 | 0.20 | 0.20 | 0.80 | 0.80 | 0.20 | 0.015 | 0.30 | 0.005 | 0.015 |
D | 0.025 | 0,015 | ||||||||||||||
E | 0.020 | 0.010 | ||||||||||||||
Q62O | C | 0.18 | 0.60 | 2.00 | 0.025 | 0.020 | 0.11 | 0.20 | 0.20 | 1.00 | 0.80 | 0.20 | 0.015 | 0.30 | 0.005 | 0.015 |
D | 0.025 | 0.015 | ||||||||||||||
E | 0.020 | 0.010 | ||||||||||||||
a.Ho phaella ho limaraka tsa Q345A le Q345B, tšepe e lokela ho ba le bonyane e 'ngoe ea likarolo tsa lijo-thollo tse hloekisitsoeng Al, Nb, V, le Ti. Ho ea ka litlhoko, mofani oa thepa a ka eketsa karolo e le 'ngoe kapa ho feta ea lijo-thollo tse hloekisitsoeng. Boleng bo phahameng bo tla ba joalo ka ha ho boletsoe tafoleng. Ha e kopantsoe, Nb + V + Ti ha e fete 0.22%b. Bakeng sa limaraka tsa Q345, Q390, Q420 le Q46O, Mo + Cr ha e kholo ho feta 0.30%c. Ha Cr le Ni tsa sehlopha ka seng li sebelisoa e le likarolo tse setseng, litaba tsa Cr le Ni ha lia lokela ho ba kholo ho feta 0.30%; ha ho hlokahala ho eketsa, litaba li lokela ho finyella litlhoko tse tafoleng kapa ho khethoa ke mofani oa thepa le moreki ka lipuisano.d. Haeba mofani oa thepa a ka etsa bonnete ba hore naetrojene e finyella litlhoko tse teng tafoleng, tlhahlobo ea litaba tsa naetrojene e ka 'na ea se ke ea etsoa. Haeba Al, Nb, V, Ti le lisebelisoa tse ling tsa alloy tse nang le naetrojene fixation li kenngoa ka tšepe, litaba tsa naetrojene ha li na moeli. Likahare tsa ho lokisa naetrojene li lokela ho boleloa setifikeiting sa boleng. e. Ha u sebelisa aluminium e feletseng, kakaretso ea aluminium content Alt ≥ 0020%. |
Kereiti | E lekanang le khabone CEV (karolo ea boima) /% | |||||
Botenya ba lebota ba lebitso s≤ 16mm | Botenya ba lebota ba lebitso S2>16 mm〜30 limilimithara | Botenya ba lebota ba lebitso S>30mm | ||||
Hot rolled kapa normalized normalized | Ho kokobetsa | Ho chesa kapa ho tloaeleha | Ho kokobetsa | Ho chesa kapa ho tloaeleha | Ho kokobetsa | |
Q345 | <0.45 | - | <0.47 | - | <0.48 | 一 |
Q390 | <0.46 | 一 | W0.48 | - | <0.49 | - |
Q420 | <0.48 | 一 | <0.50 | <0.48 | <0.52 | <0,48 |
Q460 | <0.53 | <0.48 | W0.55 | <0.50 | <0.55 | W0.50 |
Q500 | 一 | <0.48 | 一 | <0.50 | 一 | W0.50 |
Q550 | - | <0.48 | .一 | <0.50 | 一 | <0.50 |
Q62O | - | <0.50 | - | <0.52 | - | W0.52 |
Q690 | - | <0.50 | - | <0.52 | - | W0.52 |
Thepa ea Mechini
Thepa ea mochini ea tšepe ea boleng bo holimo ea tšepe ea khabone le liphaephe tsa tšepe tse matla a tlase.
Kereiti | Boemo ba boleng | Kotulo Matla | Matla a tlhahiso e tlase | Ho lelefatsa ka mora ho robeha | Teko ea tšusumetso | |||
Botenya ba lebota ka lebitso | mocheso | Monya matla | ||||||
<16 limilimithara | > 16 limilimithara | 〉30 limilimithara | ||||||
30 limilimithara | ||||||||
eseng ka tlase ho | eseng ka tlase ho | |||||||
10 | - | >335 | 205 | 195 | 185 | 24 | - | - |
15 | - | >375 | 225 | 215 | 205 | 22 | - | 一 |
20 | —- | >410 | 245 | 235 | 225 | 20 | - | - |
25 | - | > 450 | 275 | 265 | 255 | 18 | - | - |
35 | - | >510 | 305 | 295 | 285 | 17 | 一 | - |
45 | - | 2590 | 335 | 325 | 315 | 14 | - | - |
20Mn | —• | > 450 | 275 | 265 | 255 | 20 | - | 一 |
25Mn | - | > 490 | 295 | 285 | 275 | 18 | - | - |
Q345 | A | 470-630 | 345 | 325 | 295 | 20 | - | 一 |
B | 4 ~ 20 | 34 | ||||||
C | 21 | 0 | ||||||
D | -20 | |||||||
E | -40 | 27 | ||||||
Q39O | A | 490-650 | 390 | 370 | 350 | 18 | ||
B | 20 | 34 | ||||||
C | 19 | 0 | ||||||
D | -20 | |||||||
E | -40 | 27 | ||||||
Q42O | A | 520〜680 | 420 | 400 | 380 | 18 | ||
B | 20 | 34 | ||||||
C | 19 | 0 | ||||||
D | -20 | |||||||
E | -40 | 27 | ||||||
Q46O | C | 550〜720 | 460 | 440 | 420 | 17 | 0 | 34 |
D | -20 | |||||||
E | -40 | 27 | ||||||
Q500 | C | 610〜770 | 500 | 480 | 440 | 17 | 0 | 55 |
D | -20 | 47 | ||||||
E | -40 | 31 | ||||||
Q550 | C | 670〜830 | 550 | 530 | 490 | 16 | 0 | 55 |
D | -20 | 47 | ||||||
E | -40 | 31 | ||||||
Q62O | C | 710〜880 | 620 | 590 | 550 | 15 | 0 | 55 |
D | -20 | 47 | ||||||
E | -40 | 31 | ||||||
Q690 | C | 770〜94. | 690 | 660 | 620 | 14 | 0 | 55 |
D | -20 | 47 | ||||||
E | -40 | 31 |
Mechanical thepa ea liphaephe tšepe alloy
NO | Kereiti | Tsamaiso ea phekolo ea mocheso e khothalletsoang | Thepa ea tensile | Peipi ea tšepe e halefileng kapa e phahameng ea mocheso Boemo ba thomello Brinell hardness HBW | ||||||
Ho tima (normalizing) | Ho halefisa | Hlahisa MatlaMPa | Tensile Matla MPa | Elongation ka mor'a ho robeha A% | ||||||
mocheso | Se phodileng | Mocheso | Se phodileng | |||||||
Ea pele | Ea bobeli | eseng ka tlase ho | ha e kholo ho feta | |||||||
1 | 40Mn2 | 840 | Oli, metsi | 540 | Oli, metsi | 885 | 735 | 12 | 217 | |
2 | 45Mn2 | 840 | Metsi, oli | 550 | Oli, metsi | 885 | 735 | 10 | 217 | |
3 | 27SiMn | 920 | Metsi | 450 | Oli, metsi | 980 | 835 | 12 | 217 | |
4 | 40MnBc | 850 | oli | 500 | Oli, metsi | 980 | 785 | 10 | 207 | |
5 | 45MnBc | 840 | oli | 500 | Oli, metsi | 1030 | 835 | 9 | 217 | |
6 | 20Mn2BC'f | 880 | oli | 200 | Metsi, moea | 980 | 785 | 10 | 187 | |
7 | 20CrdJ | 880 | 800 | Metsi, oli | 200 | Metsi, moea | 835 | 540 | 10 | 179 |
785 | 490 | 10 | 179 | |||||||
8 | 30Kr | 860 | oli | 500 | Oli, metsi | 885 | 685 | 11 | 187 | |
9 | 35Kr | 860 | oli | 500 | Oli, metsi | 930 | 735 | 11 | 207 | |
10 | 40Kr | 850 | oli | 520 | Oli, metsi | 980 | 785 | 9 | 207 | |
11 | 45Kr | 840 | oli | 520 | Oli, metsi | 1030 | 835 | 9 | 217 | |
12 | 50Kr | 830 | oli | 520 | Oli, metsi | 1080 | 930 | 9 | 229 | |
13 | 38CrSi | 900 | oli | 600 | Oli, metsi | 980 | 835 | 12 | 255 | |
14 | 20CrModJ | 880 | Metsi, oli | 500 | Oli, metsi | 885 | 685 | 11 | 197 | |
845 | 635 | 12 | 197 | |||||||
15 | 35CrMo | 850 | oli | 550 | Oli, metsi | 980 | 835 | 12 | 229 | |
16 | 42CrMo | 850 | oli | 560 | Oli, metsi | 1080 | 930 | 12 | 217 | |
17 | 38CrMoAld | 940 | Oli, metsi | 640 | Oli, metsi | 980 | 835 | 12 | 229 | |
930 | 785 | 14 | 229 | |||||||
18 | 50CrVA | 860 | oli | 500 | Oli, metsi | 1 275 | 1130 | 10 | 255 | |
19 | 2OCrMn | 850 | oli | 200 | Metsi, moea | 930 | 735 | 10 | 187 | |
20 | 20CrMnSif | 880 | oli | 480 | Oli, metsi | 785 | 635 | 12 | 207 | |
21 | 3OCrMnSif | 880 | oli | 520 | Oli, metsi | 1080 | 885 | 8 | 229 | |
980 | 835 | 10 | 229 | |||||||
22 | 35CrMnSiA£ | 880 | oli | 230 | Metsi, moea | 1 620 | 9 | 229 | ||
23 | 20CrMnTie-f | 880 | 870 | oli | 200 | Metsi, moea | 1080 | 835 | 10 | 217 |
24 | 30CrMnTie*f | 880 | 850 | oli | 200 | Metsi, moea | 1 470 | 9 | 229 | |
25 | 12CrNi2 | 860 | 780 | Metsi, oli | 200 | Metsi, moea | 785 | 590 | 12 | 207 |
26 | 12CrNi3 | 860 | 780 | oli | 200 | Metsi, moea | 930 | 685 | 11 | 217 |
27 | 12Cr2Ni4 | 860 | 780 | oli | 200 | Metsi, moea | 1080 | 835 | 10 | 269 |
28 | 40CrNiMoA | 850 | —- | oli | 600 | Metsi, moea | 980 | 835 | 12 | 269 |
29 | 45CrNiMoVA | 860 | - | oli | 460 | oli | 1 470 | 1325 | 7 | 269 |
a. A lumelloa ho fetola mefuta e fapaneng ya mocheso kalafo mocheso tse thathamisitsoeng tafoleng: quenching ± 15 ℃, tlaase mocheso tempering ± 20 ℃, mocheso mocheso tempering mobu 50 ℃.b. Tekong ea tensile, ho ka nkuoa lisampole tse transverse kapa longitudinal. Ha ho na le ho se lumellane, sampole ea longitudinal e sebelisoa e le motheo oa phehisano.c. Tšepe e nang le boron e ka tloaeleha pele e tima, 'me mocheso o tloaelehileng ha oa lokela ho ba o phahameng ho feta mocheso oa oona oa ho tima. d. Ho tsamaisoa ho latela sete ea data e boletsoeng ke motho ea batlang. Ha motho ea batlang a sa hlalose, ho tsamaisoa ho ka etsoa ho latela data efe kapa efe. e. Ho tima tšepe ea pele ea titanium ka Ming Meng ho ka nkeloa sebaka ke ho tloaeleha. f. Ho tima ha Isothermal ho 280 C ~ 320 C. g. Tekong ea tensile, haeba Rel e ke ke ea lekanngoa, Rp0.2 e ka lekanyetsoa sebakeng sa Rel. |
Tlhokahalo ea Teko
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