JIS G3454ke tekanyetso ea indasteri ea Majapane bakeng sa liphaephe tsa tšepe tsa carbon bakeng sa litsamaiso tsa khatello tse nang le mocheso o phahameng oa ho sebetsa oa 350 ° C.Tekanyetso e kenyelletsa limaraka tse peli:STPG 370leTlhaloso: STPG 410.E sebetsa ho liphaephe tse se nang seamless tse nang le bophara ba 10.5 ho isa ho 660.4 mm (ke hore 6A ho 650A, kapa 1/8B ho 26B).
Liphaephe tsa tšepe tsa JIS G 3454 li tla etsoa ho sebelisoa motsoako o nepahetseng oa mekhoa ea ho etsa lipeipi tsa tšepe le mekhoa ea ho qetela tafoleng e ka tlase.
| Letšoao la mophato | Letšoao la ts'ebetso ea tlhahiso | ||
| Mokhoa oa ho etsa liphaephe | Mokhoa oa ho qetela | Sehlopha sa ho roala zinki | |
| STPG370 STPG410 | E sa tsitsang: S Motlakase o hanyetsanang le welded: E | Ho qeta ho chesa: H Qetello e batang: C Joalo ka ha ho hanyetsa motlakase ho cheselitsoe: G | Liphaephe tse ntšo: liphaephe tse sa fuoeng zinki Liphaephe tse tšoeu: liphaephe tse nang le zinki tse koahetsoeng |
Ka ho khetheha, ho na le mekhoa e mehlano ea tlhahiso:
SH: Pipe ea tšepe e se nang seamless e chesang e chesang;
SC: Pipe ea tšepe e se nang seamless e felileng ka serame;
EH: Ho chesa ho qeta ho hanyetsa motlakase o cheselitsoeng phala ea tšepe;
EC: Cold-qetellong ho hanyetsa motlakase welded tšepe pipe;
EG: Motlakase o hanyetsanang le phala ea tšepe e cheselitsoeng ntle le ho qeta ho chesa le ho qeta ho bata.
Botop Steelke moetsi le mofani oa thepa ea liphaephe tsa tšepe tse cheselitsoeng tsa boleng bo holimo tse tsoang Chaena, hammoho le setoko sa lipeipi tsa tšepe tse se nang moroko.Haeba u na le litlhoko leha e le life, ka kopo ikutloe u lokolohile ho ikopanya le rona 'me re tla u fa tšehetso ea mahala ea litsebi.
| Letšoao la mophato | C | Si | Mn | P | S |
| max | max | - | max | max | |
| STPG 370 | 0.25% | 0.35 % | 0.30-0.90% | 0.040 % | 0.040% |
| Tlhaloso: STPG 410 | 0.30% | 0.35 % | 0.30-1.00% | 0.040 % | 0.040% |
E lumella ho eketsoa ha likarolo tse ling tsa alloying.
Matla a Tensile, Ntlha ea Kotulo kapa Khatello ea Bopaki, le Elongation
| Letšoao tsa mophato | Matla a tšepe | Ntlha ea chai kapa khatello ea maikutlo | Elongation min, % | |||
| Sekhechana sa teko ea tensile | ||||||
| No.11 kapa No.12 | No.5 | No.4 | ||||
| N/mm² (MPA) | N/mm² (MPA) | Tataiso ea tlhahlobo ea tensile | ||||
| min | min | E bapile le axis ea phala | Perpendicular to pipe axis | E bapile le axis ea phala | Perpendicular to pipe axis | |
| STPT370 | 370 | 215 | 30 | 25 | 28 | 23 |
| STPT410 | 410 | 245 | 25 | 20 | 24 | 19 |
Teko e bataletseng
Ha sebaka se pakeng tsa lipoleiti tse peli se fihla sebakeng se boletsoeng H, ho ke ke ha e-ba le mefokolo kapa mapetsong holim'a phala ea tšepe.
Bakeng sa li-tubes tsa tšepe tse se nang moeli: H = (1 + e) t / (e + t / D);
Bakeng sa lipeipi tsa tšepe tsa ERW: H = 1/3 D (bakeng sa weld) kapa H = 2/3 D (bakeng sa karolo e se nang weld);
H: sebaka se pakeng tsa lipoleiti tse bataletseng (mm);
е: kamehla ho hlalosoa ka bomong bakeng sa sehlopha ka seng sa pipe, 0.08 bakeng sa STPG 370, 0.07 bakeng sa STPG 410;
t: botenya ba lerako la pipe (mm);
D: bophara bo ka ntle ba pipe (mm);
Teko ea ho batalla e sebetsa ho liphaephe tsa tšepe tse nang le bophara ba lebitso bo fetang 40A (48.6mm).
Ho kobeha
Bendability e sebetsa ho liphaephe tse nang le bophara ba lebitso la 40 A (48.6) kapa tse nyenyane.
Pipe e lokela ho kobeha ka 90 ° sebakeng sa radius ea makhetlo a 6 bophara ba eona bo ka ntle.Lerako la liphaephe le tlameha ho hloka sekoli kapa mapetsong.
Pipe e 'ngoe le e' ngoe ea tšepe e tlameha ho feta teko ea khatello ea hydrostatic kapa teko e sa senyeheng.
Teko ea Hydrostatic
Boloka khatello e itseng bonyane metsotsoana ea 5 ntle le ho lutla.
Boleng ba khatello bo amana le kemiso ea No. ea pipe ea tšepe.
| Botenya ba lebota ka lebitso | Nomoro ea Kemiso: Sch | |||||
| 10 | 20 | 30 | 40 | 60 | 80 | |
| Khatello e tlase ea tlhahlobo ea haeteroliki, Mpa | 2.0 | 3.5 | 5.0 | 6.0 | 9.0 | 12 |
Teko e sa senyeheng
Haeba tlhahlobo ea ultrasonic e sebelisoa, e lokela ho ipapisa le maemo a thata ho feta lets'oao la sehlopha sa UD ho JIS G 0582.
Haeba tlhahlobo ea hajoale ea eddy e sebelisoa, e lokela ho ipapisa le maemo a thata ho feta lets'oao la sehlopha sa EY ho JIS G 0583.
| Bophara ba lebitso | Ka ntle bophara | Botenya ba lebota | Boima ba lihlopha | Nomoro ea kemiso (Sch No.) | |
| A | B | mm | mm | kg/m | |
| 6 | 1/8 | 10.5 | 1.7 | 0.369 | 40 |
| 6 | 1/8 | 10.5 | 2.2 | 0.450 | 60 |
| 6 | 1/8 | 10.5 | 2.4 | 0.479 | 80 |
| 8 | 1/4 | 13.8 | 2.2 | 0.629 | 40 |
| 8 | 1/4 | 13.8 | 2.4 | 0.675 | 60 |
| 8 | 1/4 | 13.8 | 3.0 | 0.799 | 80 |
| 10 | 3/8 | 17.3 | 2.3 | 0.851 | 40 |
| 10 | 3/8 | 17.3 | 2.8 | 1.00 | 60 |
| 10 | 3/8 | 17.3 | 3.2 | 1.11 | 80 |
| 15 | 1/2 | 21.7 | 2.8 | 1.31 | 40 |
| 15 | 1/2 | 21.7 | 3.2 | 1.46 | 60 |
| 15 | 1/2 | 21.7 | 3.7 | 1.64 | 80 |
| 20 | 3/4 | 27.2 | 2.9 | 1.74 | 40 |
| 20 | 3/4 | 27.2 | 3.4 | 2.00 | 60 |
| 20 | 3/4 | 27.2 | 3.9 | 2.24 | 80 |
| 25 | 1 | 34.0 | 3.4 | 2.57 | 40 |
| 25 | 1 | 34.0 | 3.9 | 2.89 | 60 |
| 25 | 1 | 34.0 | 4.5 | 3.27 | 80 |
| 32 | 1 1/4 | 42.7 | 3.6 | 3.47 | 40 |
| 32 | 1 1/4 | 42.7 | 4.5 | 4.24 | 60 |
| 32 | 1 1/4 | 42.7 | 4.9 | 4.57 | 80 |
| 40 | 1 1/2 | 48.6 | 3.7 | 4.10 | 40 |
| 40 | 1 1/2 | 48.6 | 4.5 | 4.89 | 60 |
| 40 | 1 1/2 | 48.6 | 5.1 | 5.47 | 80 |
| 50 | 2 | 60.5 | 3.2 | 4.52 | 20 |
| 50 | 2 | 60.5 | 3.9 | 5.44 | 40 |
| 50 | 2 | 60.5 | 4.9 | 6.72 | 60 |
| 50 | 2 | 60.5 | 5.5 | 7.46 | 80 |
| 65 | 2 1/2 | 76.3 | 4.5 | 7.97 | 20 |
| 65 | 2 1/2 | 76.3 | 5.2 | 9.12 | 40 |
| 65 | 2 1/2 | 76.3 | 6.0 | 10.4 | 60 |
| 65 | 2 1/2 | 76.3 | 7.0 | 12.0 | 80 |
| 80 | 3 | 89.1 | 4.5 | 9.39 | 20 |
| 80 | 3 | 89.1 | 5.5 | 11.3 | 40 |
| 80 | 3 | 89.1 | 6.6 | 13.4 | 60 |
| 80 | 3 | 89.1 | 7.6 | 15.3 | 80 |
| 90 | 3 1/2 | 101.6 | 4.5 | 10.8 | 20 |
| 90 | 3 1/2 | 101.6 | 5.7 | 13.5 | 40 |
| 90 | 3 1/2 | 101.6 | 7.0 | 16.3 | 60 |
| 90 | 3 1/2 | 101.6 | 8.1 | 18.7 | 80 |
| 100 | 4 | 114.3 | 4.9 | 13.2 | 20 |
| 100 | 4 | 114.3 | 6.0 | 16.0 | 40 |
| 100 | 4 | 114.3 | 7.1 | 18.8 | 60 |
| 100 | 4 | 114.3 | 8.6 | 22.4 | 80 |
| 125 | 5 | 139.8 | 5.1 | 16.9 | 20 |
| 125 | 5 | 139.8 | 6.6 | 12.7 | 40 |
| 125 | 5 | 139.8 | 8.1 | 26.3 | 60 |
| 125 | 5 | 139.8 | 9.5 | 30.5 | 80 |
| 150 | 6 | 165.2 | 5.5 | 21.7 | 20 |
| 150 | 6 | 165.2 | 7.1 | 27.7 | 40 |
| 150 | 6 | 165.2 | 9.3 | 35.8 | 60 |
| 150 | 6 | 165.2 | 11.0 | 41.8 | 80 |
| 200 | 8 | 216.3 | 6.4 | 33.1 | 20 |
| 200 | 8 | 216.3 | 7.0 | 36.1 | 30 |
| 200 | 8 | 216.3 | 8.2 | 42.1 | 40 |
| 200 | 8 | 216.3 | 10.3 | 52.3 | 60 |
| 200 | 8 | 216.3 | 12.7 | 63.8 | 80 |
| 250 | 10 | 267.4 | 6.4 | 41.2 | 20 |
| 250 | 10 | 267.4 | 7.8 | 49.9 | 30 |
| 250 | 10 | 267.4 | 9.3 | 59.2 | 40 |
| 250 | 10 | 267.4 | 12.7 | 79.8 | 60 |
| 250 | 10 | 267.4 | 15.1 | 93.9 | 80 |
| 300 | 12 | 318.5 | 6.4 | 49.3 | 20 |
| 300 | 12 | 318.5 | 8.4 | 64.2 | 30 |
| 300 | 12 | 318.5 | 10.3 | 78.3 | 40 |
| 300 | 12 | 318.5 | 14.3 | 107 | 60 |
| 300 | 12 | 318.5 | 17.4 | 129 | 80 |
| 350 | 14 | 355.6 | 6.4 | 55.1 | 10 |
| 350 | 14 | 355.6 | 7.9 | 67.7 | 20 |
| 350 | 14 | 355.6 | 9.5 | 81.1 | 30 |
| 350 | 14 | 355.6 | 11.1 | 94.3 | 40 |
| 350 | 14 | 355.6 | 15.1 | 127 | 60 |
| 350 | 14 | 355.6 | 19.0 | 158 | 80 |
| 400 | 16 | 406.4 | 6.4 | 63.1 | 10 |
| 400 | 16 | 406.4 | 7.9 | 77.6 | 20 |
| 400 | 16 | 406.4 | 9.5 | 93.0 | 30 |
| 400 | 16 | 406.4 | 12.7 | 123 | 40 |
| 400 | 16 | 406.4 | 16.7 | 160 | 60 |
| 400 | 16 | 406.4 | 21.4 | 203 | 80 |
| 450 | 18 | 457.2 | 6.4 | 71.1 | 10 |
| 450 | 18 | 457.2 | 7.9 | 87.5 | 20 |
| 450 | 18 | 457.2 | 11.1 | 122 | 30 |
| 450 | 18 | 457.2 | 14.3 | 156 | 40 |
| 450 | 18 | 457.2 | 19.0 | 205 | 60 |
| 450 | 18 | 457.2 | 23.8 | 254 | 80 |
| 500 | 20 | 508.0 | 6.4 | 79.2 | 10 |
| 500 | 20 | 508.0 | 9.5 | 117 | 20 |
| 500 | 20 | 508.0 | 12.7 | 155 | 30 |
| 500 | 20 | 508.0 | 15.1 | 184 | 40 |
| 500 | 20 | 508.0 | 20.6 | 248 | 60 |
| 500 | 20 | 508.0 | 26.2 | 311 | 80 |
| 550 | 22 | 558.8 | 6.4 | 87.2 | 10 |
| 550 | 22 | 558.8 | 9.5 | 129 | 20 |
| 550 | 22 | 558.8 | 12.7 | 171 | 30 |
| 550 | 22 | 558.8 | 15.9 | 213 | 40 |
| 600 | 24 | 609.6 | 6.4 | 95.2 | 10 |
| 600 | 24 | 609.6 | 9.5 | 141 | 20 |
| 600 | 24 | 609.6 | 14.3 | 210 | 30 |
| 650 | 26 | 660.4 | 7.9 | 127 | 10 |
| 650 | 26 | 660.4 | 12.7 | 203 | 20 |
JIS G 3454 e kenyelletsakemiso 10, kemiso 20, kemiso 30, lenaneo 40, kemiso ea 60, lekemiso ea 80.
O ka tobetsa lenaneng No. o lakatsa ho sheba;re hlophisitse liphetolelo tse tsamaellanang tsa PDF molemong oa hau.
JIS G 3454 Mamello bakeng sa bophara ba bokantle, botenya ba lebota, eccentricity, le bolelele li tla fihlela litlhoko tse latelang.
Ho tloha ha e thehoa ka 2014, Botop Steel e fetohile mofani ea ka sehloohong oa phala ea carbon steel Northern China, e tsejoang ka tšebeletso e babatsehang, lihlahisoa tsa boleng bo phahameng, le litharollo tse feletseng.
Khampani e fana ka mefuta e sa tšoaneng ea liphaephe tsa tšepe ea carbon le lihlahisoa tse amanang le tsona, tse kenyelletsang seamless, ERW, LSAW, le phala ea tšepe ea SSAW, hammoho le lethathamo le feletseng la liphaephe le li-flanges.
Lihlahisoa tsa eona tse khethehileng li boetse li kenyelletsa li-alloys tsa boemo bo phahameng le litšepe tse sa hloekang tsa austenitic, tse etselitsoeng ho finyella litlhoko tsa merero e fapaneng ea liphaephe.
Ka kopo ikopanye le rona, re tla u fa liphaephe tsa tšepe tsa boleng bo phahameng, tse tloaelehileng tse nang le tšebeletso ea setsebi le e sebetsang hantle.Botop o labalabela ho u sebeletsa.
