2019 boleng bo holimo China S235 Structural Hot Rolled Seamless Carbon Steel Pipe
Mehaho ea rona e nang le thepa e ntle le taolo ea boleng bo holimo maemong ohle a tlhahiso e re thusa ho netefatsa khotsofalo e felletseng ea bareki bakeng saCarbon Seamless Steel Pipe, phala ea tšepe ea sebopeho, phala ea sebopeho, China Seamless Steel Pipe, Khamphani ea rona e mema ka mofuthu bareki ba malapeng le ba mose ho maoatle ho tla buisana le rona ka khoebo. Ha re kopaneng ka matsoho ho theha bokamoso bo monate! Re labalabela ho sebelisana le uena ka tieo ho fihlela boemo ba win-win. Re tšepisa ho leka ka hohle ho u fa litšebeletso tsa boleng bo holimo le tse sebetsang hantle.
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 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. |
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