| Dzina lazogulitsa | Chitoliro cha Carbon Steel / Boiler Steel Pipe |
| Zakuthupi | A53 GrB,A36,ST52,ST35,ST42,ST45,X42,X46,X52,X60,X65,X70 |
| Standard | API 5L,ASTM A106 Gr.B,ASTM A53 Gr.B,ASTMA179/A192,ASTM A335 P9,ASTM A210,ASTM A333 |
| Zikalata | API 5L, ISO9001, SGS,BV,CCIC |
| Akunja Diameter | 13.7mm-762mm |
| Makulidwe a Khoma | SCH10,SCH20,SCH30,STD,SCH40,SCH60,SCH80,SCH100,SCH120,SCH160,XS,XXS |
| Utali | 1m, 4m, 6m, 8m, 12m malinga ndi pempho la wogula |
| Chithandizo cha Pamwamba | utoto wakuda, varnish, mafuta, malata, anti-corrosion wokutira |
| Kuyika chizindikiro | Kulemba kokhazikika, kapena molingana ndi pempho lanu.Njira Yolembera:Uza utoto woyera |
| Kuthetsa Chithandizo | Mapeto Opanda / Bevelled End / Grooved End / Threaded End With Plastic Caps |
| Njira | Kutentha Kwambiri kapena Kuzizira Kwambiri ERW |
| Phukusi | Phukusi lotayirira;Yopakidwa mitolo(2Ton Max);mapaipi omanga m'mitolo okhala ndi gulaye kumapeto onse awirikuti azitsegula mosavuta ndi kutulutsa;zamatabwamilandu;chikwama choluka chosalowa madzi |
| Yesani | Chemical Component Analysis,Mechanical Properties, Technical Properties, Kukula Kwakunja Kuyang'ana, kuyezetsa ma hydraulic, Mayeso a X-ray |
| Kugwiritsa ntchito | Kutumiza kwamadzi, chitoliro chomanga, zomangamanga, kusweka kwamafuta, chitoliro chamafuta, chitoliro cha gasi |
API 5L X42-X80, PSL1&PSL2 Mafuta ndi GasiCarbon Seamless Steel Pipeamagwiritsidwa ntchito potumiza gasi, madzi, ndi mafuta amafuta m'mafakitale onse amafuta ndi gasi.
API 5L X42-X80, PSL1&PSL2 Mafuta ndi Gasi Carbon Seamless Steel Pipe amapangidwa ndi kuzizira kapena kukulunga kotentha, monga momwe makasitomala amafunira.
API 5L X52 PSL1&PSL2 Mafuta ndi Gasi Carbon Seamless Steel Pipe amapangidwa ndi kuzizira kapena kugudubuzika otentha, nthawi zambiri zazing'ono zazing'ono zokokedwa ndi kuzizira komanso zazikulu zazikulu ndi zopindidwa zotentha.
Gulu ndi Chemical Composition (％)Za API 5L PSL1
| Standard |
Gulu | Chemical zikuchokera(%) | |||
| C | Mn | P | S | ||
| API 5L | X42 | ≤0.28 | ≤1.30 | ≤0.030 | ≤0.030 |
| X46,X52,X56 | ≤0.28 | ≤1.40 | ≤0.030 | ≤0.030 | |
| X60,X65 | ≤0.28 | ≤1.40 | ≤0.030 | ≤0.030 | |
| X70 | ≤0.28 | ≤1.40 | ≤0.030 | ≤0.030 | |
| X52 | ≤0.28 | ≤1.40 | ≤0.030 | ≤0.030 | |
Gulu ndi Chemical Composition (％)Kwa API 5L PSL2
| Standard |
Gulu | Chemical zikuchokera(%) | |||
| C | Mn | P | S | ||
| API 5L | X42 | ≤0.24 | ≤1.30 | ≤0.025 | ≤0.015 |
| X46,X52,X56 | ≤0.24 | ≤1.40 | ≤0.025 | ≤0.015 | |
| X60,X65 | ≤0.24 | ≤1.40 | ≤0.025 | ≤0.015 | |
| X70,X80 | ≤0.24 | ≤1.40 | ≤0.025 | ≤0.015 | |
| X52 | ≤0.24 | ≤1.40 | ≤0.025 | ≤0.015 | |
Mechanical Properties of API 5L GR.B X42-X80/X52(PSL1):
| Gulu | Zokolola Mphamvu(MPa) | Kulimba kwamakokedwe(MPa) | Elongation A% | ||
|
| psi | MPa | psi | MPa | Elongation (Mphindi) |
| X42 | 42,000 | 290 | 60,000 | 414 | 21-27 |
| x46 | 46,000 | 317 | 63,000 | 434 | 20-26 |
| X52 | 52,000 | 359 | 66,000 | 455 | 20-24 |
| x56 | 56,000 | 386 | 71,000 | 490 |
|
| X60 | 60,000 | 414 | 75,000 | 517 |
|
| x65 | 65,000 | 448 | 77,000 | 531 |
|
| X70 | 70,000 | 483 | 82,000 | 565 |
|
| X52 | 52,000 | 359 | 66,000 | 455 | 20-24 |
Mechanical Properties of API 5L/X52GR.B Seamless Line Pipe (PSL2):
| Gulu | Zokolola Mphamvu(MPa) | Kulimba kwamakokedwe(MPa) | Elongation A% | Zotsatira (J) | ||
|
| psi | MPa | psi | MPa | Elongation (Mphindi) | Min |
| X42 | 290 | 496 | 414 | 758 | 21-27 | 41 (27) |
| x46 | 317 | 524 | 434 | 758 | 20-26 | 41 (27) |
| X52 | 359 | 531 | 455 | 758 | 20-24 | 41 (27) |
| x56 | 386 | 544 | 490 | 758 |
|
|
| X60 | 414 | 565 | 517 | 758 |
|
|
| x65 | 448 | 600 | 531 | 758 |
|
|
| X70 | 483 | 621 | 565 | 758 |
|
|
| x80 | 552 | 690 | 621 | 827 |
| |
| X52 | 359 | 531 | 455 | 758 | 20-24 | 41 (27) |
Kuyesa Kwamakina
Kuyesa Kuuma
Kuyesa kwa Bend
Kuyesa kwamphamvu kwa chitoliro cha chitoliro - Kuyesa kwamphamvu kuyenera kuchitidwa molingana ndi ISO6892 kapena ASTM A370. Zitsanzo zautali ziyenera kugwiritsidwa ntchito.
Kuyesa kwa flattening-Kuyesa kumodzi kupangidwa pazitsanzo kuchokera kumapeto kwa machubu awiri osankhidwa pagawo lililonse.
Kuyesa kwamphamvu kwa CVN-Kuyesa kwa Charpy kuyenera kuchitidwa molingana ndi ASTM A370.Kawiri pagawo lililonse la mayeso osapitilira 100 kutalika kwa chitoliro chokhala ndi chiwopsezo chofanana cha abd
Mayeso Olimba - Mawanga omwe akuganiziridwa kuti ndi olimba akazindikirika ndi kuyang'anitsitsa, kuyezetsa kuuma kudzachitika molingana ndi ISO 6506, ISO 6507, ISO 6508 kapena ASTM A 370 pogwiritsa ntchito zida zoyeserera zolimba komanso njira zotsata ASTM A 956, ASTM A 1038. kapena ASTM E 110 motsatana kutengera njira yogwiritsidwa ntchito.
Kuyesa kwa Hydro-static-Chubu chilichonse chidzayesedwa ndi hydro-static pressure test
Mayeso opindika - kutalika kokwanira kwa chitoliro kumayima kukhala kopendekeka kupyola 90 ° mozungulira cylindrical mandrel.
100% mayeso a X-ray a seam weld
Kuyeza kwa ultrasonic
Kufufuza kwamakono kwa eddy
Chitoliro chopanda kanthu kapena zokutira zakuda / Varnish (malinga ndi zomwe kasitomala amafuna);
6 ndi pansi m’mitolo ndi gulayeti ziwiri za thonje;
Zonsezi zimathera ndi otetezera mapeto;
Mapeto osavuta, malekezero a bevel (2" ndi pamwamba ndi ma bevel malekezero, digiri: 30 ~ 35 °), ulusi ndi kulumikizana;
Kuyika chizindikiro.
| Kukula | Kulekerera (ndi ulemut to kufotokozedwa kunjaawiri) |
| <2 3/8 | + 0.016 mkati, - 0.031 mkati (+ 0.41 mm, - 0.79 mm) |
| > 2 3/8 ndi ≤4 1/2, welded mosalekeza | ± 1.00% |
| > 2 3/8 ndi <20 | ± 0.75% |
| > 20. opanda msoko | ± 1.00% |
| > 20 ndi <36, welded | + 0.75%.-0.25% |
| > 36, welded | + 1/4 mu.. - 1/8 mkati (+ 6.35 mm, -3.20 mm) |
Pankhani ya chitoliro cha hydro-statically choyesedwa ku kukanikiza kopitilira muyeso woyeserera, kulolera kwina kungavomerezedwe pakati pa wopanga ndi wogula.
| Kusazungulira | |||||
| Kukula | Minus Tolerance | Kuwonjezera Kulekerera | Kulekerera Kumapeto | Diameter, Axis Tolerance (Persenti ya OD Yotchulidwa) | Kusiyana Kwakukulu Pakati pa Mamita Ochepa ndi Apamwamba (Zimakhudza Paipi Yokha Yokhala ndi D/t≤75) |
| ≤10 3/4 l&V4 | 1/64 (0.40mm) | 1/16 (1.59mm) | - | - | |
| > 10 3/4 ndi ≤20 | 1/32 (0.79 mm) | 3/32 (2.38 mm) | - | - | - |
| > 20 ndi ≤ 42 | 1/32 (0.79 mm) | 3/32 (2.38 mm) | b | ± 1% | <0.500 mkati (12,7 mm) |
| > 42 | 1/32 (0.79 mm) | 3/32 (2.38 mm) | b | ± 1% | £ Q625 mu. (15.9 mm) |
Kulekerera kwakunja kumagwiritsidwa ntchito ku mainchesi apamwamba komanso ochepa monga momwe amayezera ndi bar gauge, caliper, kapena chipangizo choyezera ma diameter enieni komanso osachepera.
Pafupifupi awiri (monga momwe amayezera ndi tepi ya m'mimba mwake) a mapeto amodzi a chitoliro sichidzasiyana ndi 3/32 in. (2.38 mm) kuchokera ku mapeto ena.
| Kukula | Mtundu wa Chitoliro | Kulekerera1 (peresenti ya Kunenepa Kwapakhoma Kwatchulidwe) | |
| Sitandade B kapena M'munsi | Gulu X42 kapena Kupitilira apo | ||
| <2 7/8 | Zonse | + 20.- 12.5 | + 15.0.-12.5 |
| > 2 7/8 ndi <20 | Zonse | + 15,0,-12.5 | + 15-I2.5 |
| >20 | Welded | + 17.5.-12.5 | + 19.5.-8.0 |
| >20 | Zopanda msoko | + 15.0.-12.5 | + 17.5.-10,0 |
Kumene kulekerera koyipa kocheperako kuposa komwe kwatchulidwa kumatchulidwa ndi wogula, kulekerera kwabwino kudzawonjezedwa kumlingo wokwanira wololera muperesenti kuchepera kwa makulidwe a khoma.
| Kuchuluka | Tokulemala (peresenti) |
| Utali umodzi, chitoliro chapadera chopanda malire kapena chitoliro cha A25Utali umodzi, chitoliro chinaCarloads.GradeA25,40,000lb(18 144kg) kapena kuposaKatundu wamagalimoto, kupatula Giredi A25,40.0001b (18 144 kg) kapena kupitilira apoMagalimoto, magiredi onse osakwana 40000 lb (18 144 kg) Onjezani zinthu.Gawo A25.40.000 lb (18 144 kg) kapena kupitilira apo Odani zinthu, kupatula Giredi A25,40,000 lb (18 144 kg) kapena kuposa Onjezani zinthu, magiredi onse, zosakwana 40.000 lb (18 144 kg) | + 10.-5.0 + 10,-35 -2.5 -1.75 -15 -3.5 -1.75 -3.5 |
Ndemanga:
Kulekerera kwa 1.Kulemera kumagwiritsidwa ntchito ku miyeso yowerengeka ya chitoliro cha ulusi-ndi-wophatikizana ndi miyeso yojambulidwa kapena yowerengeka ya chitoliro chosavuta.Ngati zololera zoyipa za makulidwe a khoma zing'onozing'ono kuposa zomwe zatchulidwa pamwambapa zafotokozedwa ndi wogula, kulolerana kowonjezera kulemera kwautali umodzi kudzawonjezedwa mpaka 22.5 peresenti kuchepera kulekerera koyipa kwa kulira.
2.Kwa magalimoto opangidwa ndi chitoliro kuchokera kuzinthu zoposa imodzi, kulolerana kwa galimoto kumayenera kugwiritsidwa ntchito pamtundu wazinthu zamtundu uliwonse.
3. Kulekerera kwa zinthu zoyitanitsa kumagwira ntchito ku kuchuluka kwa chitoliro chomwe chimatumizidwa kuzinthu zoyitanitsa.
