Li-tube tsa tšepe tse sa sebetseng bakeng sa sebopeho se tloaelehileng
Tloaelo:GB / 8162-2008 | Alloy kapa che: alloy kapa khabone |
Sehlopha sa Sehlopha: 10,20,35, 45, Q345, Q490, Q620,455, Q620,420,420,40 | Kopo: PIPE ea sebopeho, mochini oa tšebetso |
Botenya: 1 - 100 mm | Phekolo ea holimo: E le tlhokahalo ea bareki |
Bophara ba kantle (ho potoloha): 10 - 1000 mm | Mokhoa: ho chesa kapa ho bata |
Bolelele: Bolelele ba bolelele kapa bolelele bo sa sebetseng | Phekolo ea mocheso: ho kopanya / ho hokahanya / ho fokotsa khatello ea maikutlo |
Sebopeho sa karolo: ho potoloha | Pipe e khethehileng: Popi e teteaneng |
Sebaka sa Tšimoloho: China | Ts'ebeliso: Kaho, Mechani |
Setifikeiti: Iso9001: 2008 | Teko: Ect / UT |
E sebelisoa haholo ho etsa tšepe ea sebopeho sa carbor, tšepe ea aloy le meaho ea mechini e meholo.
Sehlopha sa tšepe sa Carbon sebopeho: 10,20,35, 45, Q460, Q620, Q620, Q620, Q620, Q620, Q620, Q620, Q620, Q620, Q620, Q620, Q620, Q620, Q620, Q620, Q620, Q620, Q620, Q620, Q620, Q620, Q620, Q620, Q620,
Sehlopha sa Alloy Metsi Saense: 42crmo, 35CRME, jj
Sehlopha sa 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 ho na kholo ho feta | eseng ka tlase ho | |||||||||||||||
Q345 | A | 0.2 | 0.5 | 1.7 | 0.035 | 0.035 | 0.3 | 0.5 | 0.2 | 0.012 | 0.1 | - | - | |||
B | 0.035 | 0.035 | ||||||||||||||
C | 0.03 | 0.03 | 0.07 | 0.15 | 0.2 | 0.015 | ||||||||||
D | 0.18 | 0.03 | 0.025 | |||||||||||||
E | 0.025 | 0.02 | ||||||||||||||
Q390 | A | 0.2 | 0.5 | 1.7 | 0.035 | 0.035 | 0.07 | 0.2 | 0.2 | 0.3 | 0.5 | 0.2 | 0.015 | 0.1 | - | - |
B | 0.035 | 0.035 | ||||||||||||||
C | 0.03 | 0.03 | 0,015 | |||||||||||||
D | 0.03 | 0.025 | ||||||||||||||
E | 0.025 | 0.02 | ||||||||||||||
Q42O | A | 0.2 | 0.5 | 1.7 | 0.035 | 0.035 | 0.07 | 0.2 | 0.2 | 0.3 | 0.8 | 0.2 | 0.015 | 0.2 | - | - |
B | 0.035 | 0.035 | ||||||||||||||
C | 0.03 | 0.03 | 0.015 | |||||||||||||
D | 0.03 | 0.025 | ||||||||||||||
E | 0.025 | 0.02 | ||||||||||||||
Q46o | C | 0.2 | 0.6 | 1.8 | 0.03 | 0.03 | 0.11 | 0.2 | 0.2 | 0.3 | 0.8 | 0.2 | 0.015 | 0.2 | 0.005 | 0.015 |
D | 0.03 | 0.025 | ||||||||||||||
E | 0.025 | 0.02 | ||||||||||||||
Q500 | C | 0J8 | 0.6 | 1.8 | 0.025 | 0.02 | 0.11 | 0.2 | 0.2 | 0.6 | 0.8 | 0.2 | 0.015 | 0.2 | 0.005 | 0.015 |
D | 0.025 | 0.015 | ||||||||||||||
E | 0.02 | 0.01 | ||||||||||||||
Q550 | C | 0.18 | 0.6 | 2 | 0.025 | 0,020 | 0.11 | 0.2 | 0.2 | 0.8 | 0.8 | 0.2 | 0.015 | 0.3 | 0.005 | 0.015 |
D | 0.025 | 0,015 | ||||||||||||||
E | 0.02 | 0.01 | ||||||||||||||
Q62O | C | 0.18 | 0.6 | 2 | 0.025 | 0.02 | 0.11 | 0.2 | 0.2 | 1 | 0.8 | 0.2 | 0.015 | 0.3 | 0.005 | 0.015 |
D | 0.025 | 0.015 | ||||||||||||||
E | 0.02 | 0.01 | ||||||||||||||
A. Ho kenyelletsa limaraka tsa Q345a le Q345B, tšepe e lokela ho ba le bonyane e le 'ngoe ea likarolo tsa lijo tsa lijo tsa lijo tsa lijo tsa lijo tsa mantsiboea a phetseng al, nb, v Ho latela litlhoko, morekisi ea ka eketsa likarolo tse le 'ngoe kapa ho feta tsa lijo-thollo tse hloekisitsoeng. Boleng bo phahameng bo tla ba joalo ka ha ho boletsoe tafoleng. Ha e kopantsoe, NB + v + ha e fetise 0,22% b. Bakeng sa Q345, Q390, Q420 le Q420 gerade, Mo + Cr ha o moholo ho 0,30% c. Neng le NI tsa sehlopha ka seng li sebelisoa e le lintho tse setseng, litaba tsa cr le NI ha lia lokela ho ba kholo ho 0,30%; Ha ho hlokahala ho eketsa, litaba li lokela ho fihlela litlhoko tafoleng kapa li khethoa ke mofani oa thepa le moreki ka puisano. Haeba mofani oa thepa o ka netefatsa hore litlhoro tsa naetrojene li kopana le litlhokahalo tsa tafoleng, tlhahlobo ea likheo tsa naetrojene e kanna ea se ke ea etsoa. Haeba Al, NB, v, ti le tse ling tse nang le li-allogen tse nang le boikoetliso ba naetrojene li eketsoa ho tšepe, litaba tsa naetrojene ha li na moeli. Litaba tsa ho hlophisoa ha naetrojene li lokela ho hlalosoa ka setifikeiti sa boleng. E. Ha o sebelisa Aluminium e felletseng, kakaretso ea aluminium alt 0020%. |
Keletso | Carbon e lekanang cev (bongata bo bongata) /% | |||||
Bophahamo ba lebota la lebota s≤ 16mm | Nominal Wall botenya ba S2> 16 Mm ~ ~30 mm | Nominal Wall botenya sa S> 30mm | ||||
E chesang e halikiloeng kapa e tloaelehileng e tloaelehileng | Ho tima + ho isa bohale + | E chesang e halikiloeng kapa e tloaelehileng | Ho tima + ho isa bohale + | E chesang e halikiloeng kapa e tloaelehileng | Ho tima + ho isa bohale + | |
Q345 | <0.45 | - | <0.47 | - | <0,48 | 一 一 |
Q390 | <0.46 | 一 一 | W0.48 | - | <0,49 | - |
Q420 | <0,48 | 一 一 | <0,50 | <0,48 | <0.52 | <0,48 |
Q460 | <0.53 | <0,48 | W0.55 | <0,50 | <0.55 | W0.50 |
Q500 | 一 一 | <0,48 | 一 一 | <0,50 | 一 一 | W0.50 |
Q550 | - | <0,48 | . 一 | <0,50 | 一 一 | <0,50 |
Q62O | - | <0,50 | - | <0.52 | - | W0.52 |
Q690 | - | <0,50 | - | <0.52 | - | W0.52 |
Thepa ea Mechaji ea Mechine e phahameng ea carbon steel e hlophisitsoeng e hlophisitsoeng le li-allow-alloy tse matla
Keletso | Boemo ba boleng | Ho hlahisa Matla | Sehlahisoa se tlase se matla | E ka mor'a ho robeha | Tlhahlobo ea tšusumetso | |||
Bophahamo ba lebota la mabota | mocheso | Amose Matla | ||||||
<16 mm | > 16 mm ~ | > 30 mm | ||||||
30 mm | ||||||||
eseng ka tlase ho | eseng ka tlase ho | |||||||
10 | - | > 335 | 205 | 195 | 185 | 24 | - | - |
15 | - | > 375 | 225 | 215 | 205 | 22 | - | 一 一 |
20 | - | > 410 | 245 | 235 | 225 | 20 | - | - |
25 | - | > 450 | 275 | 265 | 255 | 18 | - | - |
35 | - | > 510 | 305 | 295 | 285 | 17 | 一 一 | - |
45 | - | 2590 | 335 | 325 | 315 | 14 | - | - |
20mn | - • | > 450 | 275 | 265 | 255 | 20 | - | 一 一 |
25mn | - | > 490 | 295 | 285 | 275 | 18 | - | - |
Q345 | A | 470-6330 | 345 | 325 | 295 | 20 | - | 一 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 | 520~800 | 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 |
Thepa ea Mechaniction ea li-pepes tsa alloy Steel
NO | Keletso | E khothalelitsoe puso ea kalafo ea mocheso | Theko ea Teko | Mocheso o kopaneng kapa o phahameng oa mocheso oa tšepe ea tšepe | ||||||
Quenching (e tloaelehileng) | Ho futhumala | Ho fana ka 'mele | Tenssile Matla a Mpa | Ho feta kamora ho roba a% | ||||||
mocheso | Pholile | Mocheso | Pholile | |||||||
E le hantle | Ea bobeli | eseng ka tlase ho | ha ho na kholo ho feta | |||||||
1 | 40mn2 | 840 | Metsi, oli | 540 | Metsi, oli | 885 | 735 | 12 | 217 | |
2 | 45mn2 | 840 | Metsi, oli | 550 | Metsi, oli | 885 | 735 | 10 | 217 | |
3 | 27Ssimn | 920 | Metsi | 450 | Metsi, oli | 980 | 835 | 12 | 217 | |
4 | 40mnbc | 850 | Oli | 500 | Metsi, oli | 980 | 785 | 10 | 207 | |
5 | 45mnbc | 840 | Oli | 500 | Metsi, oli | 1 030 | 835 | 9 | 217 | |
6 | 20mn2bcc'e | 880 | Oli | 200 | Metsi, moea | 980 | 785 | 10 | 187 | |
7 | 20CRTJ | 880 | 800 | Metsi, oli | 200 | Metsi, moea | 835 | 540 | 10 | 179 |
785 | 490 | 10 | 179 | |||||||
8 | 30cr | 860 | Oli | 500 | Metsi, oli | 885 | 685 | 11 | 187 | |
9 | 35cr | 860 | Oli | 500 | Metsi, oli | 930 | 735 | 11 | 207 | |
10 | 40cr | 850 | Oli | 520 | Metsi, oli | 980 | 785 | 9 | 207 | |
11 | 45cr | 840 | Oli | 520 | Metsi, oli | 1 030 | 835 | 9 | 217 | |
12 | 50cr | 830 | Oli | 520 | Metsi, oli | 1 080 | 930 | 9 | 229 | |
13 | 38cresi | 900 | Oli | 600 | Metsi, oli | 980 | 835 | 12 | 255 | |
14 | 20CRorj | 880 | Metsi, oli | 500 | Metsi, oli | 885 | 685 | 11 | 197 | |
845 | 635 | 12 | 197 | |||||||
15 | 35 _ | 850 | Oli | 550 | Metsi, oli | 980 | 835 | 12 | 229 | |
16 | 42CRMO | 850 | Oli | 560 | Metsi, oli | 1 080 | 930 | 12 | 217 | |
17 | 3833cricald | 940 | Metsi, oli | 640 | Metsi, oli | 980 | 835 | 12 | 229 | |
930 | 785 | 14 | 229 | |||||||
18 | 50cva | 860 | Oli | 500 | Metsi, oli | 1 275 | 1 130 | 10 | 255 | |
19 | 2OCRMNN | 850 | Oli | 200 | Metsi, moea | 930 | 735 | 10 | 187 | |
20 | 20CRRRRNSIF | 880 | Oli | 480 | Metsi, oli | 785 | 635 | 12 | 207 | |
21 | 3ocrmnsif | 880 | Oli | 520 | Metsi, oli | 1 080 | 885 | 8 | 229 | |
980 | 835 | 10 | 229 | |||||||
22 | 35cmrmnsia £ | 880 | Oli | 230 | Metsi, moea | 1 620 | 9 | 229 | ||
23 | 20CMrmie-F | 880 | 870 | Oli | 200 | Metsi, moea | 1 080 | 835 | 10 | 217 |
24 | 30CRrtie * f | 880 | 850 | Oli | 200 | Metsi, moea | 1 470 | 9 | 229 | |
25 | 12CRI2 | 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 | 1 080 | 835 | 10 | 269 |
28 | 40CRENMOA | 850 | - | Oli | 600 | Metsi, moea | 980 | 835 | 12 | 269 |
29 | 45Cnutiova | 860 | - | Oli | 460 | Oli | 1 470 | 1 325 | 7 | 269 |
a. Liphetoho tse lumelletsoeng tsa mocheso oa kalafo ea mocheso tse thathamisitsoeng tafoleng: mocheso o tlase oa mocheso oa ± 20 ℃, mocheso o phahameng oa mocheso 50 ℃.b. Ka teko ea tennisi, ho feto-fetoha le maemo a fapaneng kapa a malelele a malelele a ka nkuoa. Haeba ho se lumellane, mohlala oa bolelele bo bolelele bo sebelisoa e le motheo oa ho ngangisana.c. Boron e nang le tšepe e nang le tšepe e ka sebelisoa khafetsa pele e tima, 'me mocheso o tloaelehileng ha oa lokela ho ba phahameng ho feta mocheso oa eona o qhibiliha.d. Ho tlisa ho latela lintlha tse boletsoeng ke chelete. Ha chelete e sa boleloa, ho tlisa ho ka etsoa ho latela efe kapa efe ea data.e. Mokhahlelo oa pele oa terata oa Titanium e nang le ming mengo o ka nkeloa sebaka ke ho tloaela.f. Isthermal e tima ka 280 c ~ 320 C. g. Teko ea tenning, haeba u sa khone ho lekanngoa, RP0.2 e ka lekanngoe ho e-na le ho lula u itšepa. |
Ho kheloha ho lumelletsoeng ka bophara ba bophara ba pompo ea tšepe
Mofuta oa phala ea tšepe | Ho Bontša Ho Mamela |
Hot Rolle Pipe | ± 1% D kapa ± 0.5, leha e le efe e kholo |
Ho koaheloa ha steel ho koaheloa | Mobu 0,75% D kapa mobu 0,3, efe kapa efe e kholo |
Ho kheloha ha mabota a lebota la mafika a chesang (a atolositsoeng) pompo ea tšepe
Mofuta oa phala ea tšepe | D | S / d | Ho Bontša Ho Mamela |
Hot Rolle Pipe | <102 | - | ± 12.5% s kapa ± 0.4, leha e le efe e kholo |
> 102 | <0.05 | ± 15% S kapa ± 0,4, efe kapa efe e kholo | |
> 0.05 ~0.10 | ± 12.5% s kapa ± 0.4, leha e le efe e kholo | ||
> 0.10 | + 12.5% s -10% s | ||
Mocheso o atolositsoeng oa tšepe | 一 一 | 土 15% s |
Ho kheloha ha mabota a lebota la serame sa serame (roboto) pompo ea tšepe
| S | Ho Bontša Ho Mamela |
Ho bata ho bata (ho roma) | V | + 15% s Kapa 0.15, efe kapa efe e kholo -10% s |
> 3 - 10 | + 12.5% s -10% s | |
> 10 | 土 10% s |
Tlhaho ea lik'hemik'hale, ho thatafala, ho tšoha, ho tšoha, ho bona tlhahlobo ea letso, ho bona Eddy
Li-tubes tsa leoatle bakeng sa sepheo sa sebopeho sa maiketsetso, li-tubes tsa semmuso bakeng sa meaho ea mechini ea mechini ea GB / 8162-2008. Series se le se seng sa tšepe se nang le thepa ea leoatle, ho na le mofuta oa boitsebiso bo bitsoang Q345b saamle tu tu tu tu tube ke letoto la letoto la aloy. Lithaneng tse tlase tse anyang, thepa ena ke eona e atileng haholo. Q345 steel tube ea tšepe ke mofuta oa thepa ea tube. Q e hlahisa lihlahisoa tsena, 'me 345 e hlahisa motheo oa thepa ena, e haufi le 345. Boemo ba Q345a, ha bo na tšusumetso; Q345b, ke 20 degrees e tloaelehileng ea mocheso; Sehlopha sa Q345c, ke tekanyetso ea 0 degree; Q345D, ke tšitiso ea defilte; Class Q345e, Minus 40 degrees. Boleng ba tšusumetso bo fapane le ho senya lithetho. Q345a, Q345b, Q345c, Q345c, Q345d, Q345e. Ena ke sehlopha sa khethollo, e emelang haholo, haholohlolong, haholo-holo mocheso o fapaneng.
Tloaelo ea polao
1. Phala e sa sebetseng bakeng sa sebopeho (GB / t8162-2018) ke pompo ea tšepe ea tšepe bakeng sa sebopeho se akaretsang le sebopeho sa mechini. 2. Phala ea tšepe ea tšepe bakeng sa phaposi ea mokelikeli 3. Li-tubes tsa li-ium tse se nang letho bakeng sa li-loers tse tlase le tse mahareng (gb3087- boitsetse. 4. Tube ea tšepe e se nang letho bakeng sa khatello e phahameng
Q345BBB e sa naamle tube transfiloeng | |||
TLHOKOMELISO | TLHOKOMELISO | TLHOKOMELISO | TLHOKOMELISO |
14 * 3 | 38 * 5.5 | 89 * 5 | 133 * 18 |
14 * 3.5 | 42 * 3 | 89 * 5.5 | 159 * 6 |
14 * 4 | 42 * 3.5 | 89 * 6 | 159 * 6.5 |
16 * 3 | 42 * 4 | 89 * 7 | 159 * 7 |
18 * 2 | 42 * 5 | 89 * 7.5 | 159 * 8 |
18 * 3 | 42 * 6 | 89 * 8 | 159 * 9.5 |
18 * 4 | 42 * 8 | 89 * 9 | 159 * 10 |
18 * 5 | 45 * 3 | 89 * 10 | 159 * 12 |
19 * 2 | 45 * 4 | 89 * 11 | 159 * 14 |
21 * 4 | 45 * 5 | 89 * 12 | 159 * 16 |
22 * 2.5 | 45 * 6 | 108 * 4.5 | 159 * 18 |
22 * 3 | 45 * 7 | 108 * 5 | 159 * 20 |
22 * 4 | 48 * 4 | 108 * 6 | 159 * 28 |
22 * 5 | 48 * 4.5 | 108 * 7 | 168 * 6 |
25 * 2.5 | 48 * 5 | 108 * 8 | 168 * 7 |
25 * 3 | 48 * 6 | 108 * 9 | 168 * 8 |
25 * 4 | 48 * 7 | 108 * 10 | 168 * 9.5 |
25 * 5 | 48.3 * 12.5 | 108 * 12 | 168 * 10 |
25 * 5.5 | 51 * 3 | 108 * 14 | 168 * 11 |
27 * 3.5 | 51 * 3.5 | 108 * 15 | 168 * 12 |
27 * 4 | 51 * 4 | 108 * 16 | 168 * 14 |
27 * 5 | 51 * 5 | 108 * 20 | 168 * 15 |
27 * 5.5 | 51 * 6 | 114 * 5 | 168 * 16 |
28 * 2.5 | 57 * 4 | 114 * 6 | 168 * 18 |
28 * 3 | 57 * 5 | 114 * 7 | 168 * 20 |
28 * 3.5 | 57 * 5.5 | 114 * 8 | 168 * 22 |
28 * 4 | 57 * 6 | 114 * 8.5 | 168 * 25 |
30 * 2.5 | 60 * 4 | 114 * 9 | 168 * 28 |
32 *,5 | 60 * 4 | 114 * 10 | 180 * 10 |
32 * 3 | 60 * 5 | 114 * 11 | 194 * 10 |
32 * 3.5 | 60 * 6 | 114 * 12 | 194 * 12 |
32 4 | 60 * 7 | 114 * 13 | 194 * 14 |
32 * 4.5 | 60 * 8 | 114 * 14 | 194 * 16 |
32 * 5 | 60 * 9 | 114 * 16 | 194 * 18 |
34 * 3 | 60 * 10 | 114 * 18 | 194 * 20 |
34 * 4 | 76 * 4.5 | 133 * 5 | 194 * 26 |
34 * 4.5 | 76 * 5 | 133 * 6 | 219 * 6.5 |
34 * 5 | 76 * 6 | 133 * 7 | 219 * 7 |
34 * 6.5 | 76 * 7 | 133 * 8 | 219 * 8 |
38 * 3 | 76 * 8 | 133 * 10 | 219 * 9 |
38 * 3.5 | 76 * 9 | 133 * 12 | 219 * 10 |
38 * 4 | 76 * 10 | 133 * 13 | 219 * 12 |
38 * 4.5 | 89 * 4 | 133 * 14 | 219 * 13 |
38 * 5 | 89 * 4.5 | 133 * 16 | 219 * 14 |
219 * 16 | 273 * 36 36 | 356 * 28 | 426 * 12 |
219 * 18 | 273 * 40 | 356 * 36 | 426 * 13 |
219 * 20 | 273 * 42 | 377 * 9 | 426 * 14 |
219 * 22 | 273 45 | 377 * 10 | 426 * 17 |
219 * 24 | 298.5 * 36 | 377 * 12 | 426 * 20 |
219 * 25 | 325 * 8 | 377 * 14 | 426 * 22 |
219 * 26 | 325 * 9 | 377 * 15 | 426 * 30 |
219 * 28 | 325 * 10 | 377 * 16 | 426 * 36 |
219 * 30 | 325 * 11 | 377 * 18 | 426 * 40 |
219 * 32 | 325 * 12 | 377 * 20 | 426 * 50 |
219 * 35 | 325 * 13 | 377 * 22 | 457 * 9.5 |
219 * 38 | 325 * 14 | 377 * 25 | 457 * 14 |
273 * 7 | 325 * 15 | 377 * 32 | 457 * 16 |
273 * 8 | 325 * 16 | 377 * 36 | 457 * 19 |
273 * 9 | 325 * 17 | 377 * 40 | 457 * 24 |
273 * 9.5 | 325 * 18 | 377 * 45 | 457 * 65 |
273 * 10 | 325 * 20 | 377 * 50 | 508 * 13 |
273 * 11 | 325 * 22 | 406 * 9.5 | 508 * 16 |
273 * 12 | 325 * 23 | 406 * 11 | 508 * 20 |
273 * 13 | 325 * 25 | 406 * 13 | 508 * 22 |
273 * 15 | 325 * 28 | 406 * 17 | 558.8 * 14 |
273 * 16 | 325 * 30 | 406 * 22 | 530 * 13 |
273 * 18 | 325 * 32 | 406 * 32 | 530 * 20 |
273 * 20 | 325 * 36 | 406 * 36 36 | 570 * 12.5 |
273 * 22 | 325 * 40 | 406 * 40 | 610 * 13 |
273 * 25 | 325 * 45 | 406 * 55 | 610 * 18 |
273 * 28 | 356 * 9.5 | 406.4 * 50 | 610 * 78 |
273 * 30 | 356 * 12 | 406.4 * 55 | 624 * 14.2 |
273 * 32 | 356 * 15 | 406 * 60 | 824 * 16.5 |
273 * 35 | 356 * 19 | 406 * 65 | 824 * 20 |
Karolo ea lik'hemik'hale
Sehlopha sa 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 ho na kholo ho feta | Eseng ka tlase ho | |||||||||||||||
Q345 | A | 0.2 | 0.5 | 1.7 | 0.035 | 0.035 | 0.3 | 0.5 | 0.2 | 0.012 | 0.1 | - | - | |||
B | 0.035 | 0.035 | ||||||||||||||
C | 0.03 | 0.03 | 0.07 | 0.15 | 0.2 | 0.015 | ||||||||||
D | 0.18 | 0.03 | 0.025 | |||||||||||||
E | 0.025 | 0.02 | ||||||||||||||
A. Ho kenyelletsa limaraka tsa Q345a le Q345B, tšepe e lokela ho ba le bonyane e le 'ngoe ea likarolo tsa lijo tsa lijo tsa lijo tsa lijo tsa lijo tsa mantsiboea a phetseng al, nb, v Ho latela litlhoko, morekisi ea ka eketsa likarolo tse le 'ngoe kapa ho feta tsa lijo-thollo tse hloekisitsoeng. Boleng bo phahameng bo tla ba joalo ka ha ho boletsoe tafoleng. Ha e kopantsoe, NB + v + ha e fetise 0,22% b. Bakeng sa Q345, Q390, Q420 le Q420 gerade, Mo + Cr ha o moholo ho 0,30% c. Neng le NI tsa sehlopha ka seng li sebelisoa e le lintho tse setseng, litaba tsa cr le NI ha lia lokela ho ba kholo ho 0,30%; Ha ho hlokahala ho eketsa, litaba li lokela ho fihlela litlhoko tafoleng kapa li khethoa ke mofani oa thepa le moreki ka puisano. Haeba mofani oa thepa o ka netefatsa hore litlhoro tsa naetrojene li kopana le litlhokahalo tsa tafoleng, tlhahlobo ea likheo tsa naetrojene e kanna ea se ke ea etsoa. Haeba Al, NB, v, ti le tse ling tse nang le li-allogen tse nang le boikoetliso ba naetrojene li eketsoa ho tšepe, litaba tsa naetrojene ha li na moeli. Litaba tsa ho hlophisoa ha naetrojene li lokela ho hlalosoa ka setifikeiti sa boleng. E. Ha o sebelisa Aluminium e felletseng, kakaretso ea aluminium content allin≥0020%. |
Keletso | Carbon e lekanang cev (bongata bo bongata) /% | |||||
Bophahamo ba lebota la lebota s≤ 16mm | Nominal mabota a lebota la S2> 16 mm~30 mm | Nominal Wall botenya sa S> 30mm | ||||
E chesang e halikiloeng kapa e tloaelehileng e tloaelehileng | Qhalana+Ho futhumala | E chesang e halikiloeng kapa e tloaelehileng | Qhalana+Ho futhumala | E chesang e halikiloeng kapa e tloaelehileng | Qhalana+Ho futhumala | |
Q345 | <0.45 | - | <0.47 | - | <0,48 | 一 一 |
Thepa ea mochini
Thepa ea Mechaji ea Mechine e phahameng ea carbon steel e hlophisitsoeng e hlophisitsoeng le li-allow-alloy tse matla
Keletso | Boemo ba boleng | Ho hlahisa Matla | Sehlahisoa se tlase se matla | E ka mor'a ho robeha | Tlhahlobo ea tšusumetso | |||
Bophahamo ba lebota la mabota | Mocheso | Amose Matla | ||||||
<16 mm | > 16 mm~ | >30 mm | ||||||
30 mm | ||||||||
Eseng ka tlase ho | Eseng ka tlase ho | |||||||
Q345 | A | 470-6330 | 345 | 325 | 295 | 20 | - | 一 一 |
B | 4 ~ 20 | 34 | ||||||
C | 21 | 0 | ||||||
D | -20 | |||||||
E | -40 | 27 |
Tlhokahalo ea Teko
Sebopeho sa lik'hemik'hale: ho thatafala, ho tšoha, ho tšoha, ho bona tlhahlobo ea letso, eddy