Samar da masana'anta China Ms Round Low Carbon Seamless Karfe Bututu Baƙi Baƙin ƙarfe Bututun Karfe Mai Amfani da Bututun Man Fetur
Dubawa
Muna nufin gano ingancin lalacewa daga samarwa da kuma samar da mafi kyawun sabis ga abokan ciniki na gida da na ƙasashen waje da zuciya ɗaya don bututun ƙarfe mara nauyi da ake amfani da shi don bututun mai, Idan kuna sha'awar kusan kowane ɗayan hanyoyinmu ko kuna son tattauna tsari na al'ada. , tuna da gaske jin cikakken 'yanci don tuntuɓar mu. Mun gabatar da babban iri-iri na samfurori da mafita a wannan yanki. Bayan haka, ana kuma samun umarni na musamman. Menene ƙari, za ku ji daɗin kyawawan ayyukanmu. A cikin kalma ɗaya, an tabbatar da gamsuwar ku. Barka da zuwa ziyarci kamfaninmu! Don ƙarin bayani, tabbatar da zuwa gidan yanar gizon mu.Idan wani ƙarin bincike, da fatan za a ji daɗin tuntuɓar mu.
Gabatarwa zuwa bututun ƙarfe na bututun API 5L/Bambanci tsakanin ma'aunin API 5L PSL1 da PSL2
API 5L gabaɗaya yana nufin ƙa'idodin aiwatar da bututun ƙarfe na layi, waɗanda ake amfani da su don jigilar mai, tururi, ruwa, da sauransu waɗanda aka haƙa daga ƙasa zuwa masana'antar man fetur da iskar gas. Bututun layi sun haɗa da bututun ƙarfe maras sumul da bututun ƙarfe na walda. A halin yanzu, nau'ikan bututun karfen da aka saba amfani da su a cikin bututun mai a kasar Sin sun hada da bututun da ke karkashin kasa (SSAW), bututun da ke karkashin ruwa mai tsayi (LSAW), da bututun juriya na lantarki (ERW). Kabu karfe bututu ne kullum zaba a lokacin da bututu diamita ne kasa da 152mm.
Akwai maki da yawa na albarkatun ƙasa don bututun ƙarfe na API 5L: GR.B, X42, X46, X52, X56, X60, X70, X80, da dai sauransu Yanzu manyan masana'antun ƙarfe kamar Baosteel sun haɓaka ƙimar ƙarfe don X100, X120 bututun ƙarfe. Daban-daban karfe maki na karfe bututu da mafi girma bukatun ga albarkatun kasa da kuma samar, da kuma carbon daidai tsakanin daban-daban karfe maki ne tsananin sarrafawa.
Idan ya zo ga API 5L, kowa ya san cewa akwai ma'auni guda biyu, PSL1 da PSL2. Ko da yake akwai bambancin kalma ɗaya kawai, abin da ke cikin waɗannan ma'auni biyu ya bambanta sosai. Wannan yayi kama da ma'aunin GB/T9711.1.2.3. Dukkansu suna magana akan abu ɗaya, amma buƙatun sun bambanta sosai. Yanzu zan yi magana game da bambanci tsakanin PSL1 da PSL2 daki-daki:
1. PSL shine taƙaitaccen matakin ƙayyadaddun samfur. An rarraba matakin ƙayyadaddun samfurin na bututun layi zuwa PSL1 da PSL2, kuma ana iya faɗi cewa matakin ingancin ya kasu kashi PSL1 da PSL2. PSL2 ya fi PSL1 girma. Waɗannan matakan ƙayyadaddun ƙayyadaddun abubuwa guda biyu ba kawai sun bambanta ba a cikin buƙatun dubawa, amma har ma a cikin abubuwan sinadarai da kaddarorin injina. Sabili da haka, lokacin yin oda bisa ga API 5L, sharuɗɗan da ke cikin kwangilar ba za su nuna alamun da aka saba ba kawai kamar ƙayyadaddun bayanai da matakan ƙarfe ba. , Dole ne kuma ya nuna matakin ƙayyadaddun samfur, wato, PSL1 ko PSL2. PSL2 ya fi PSL1 tsauri a cikin alamomi kamar su sinadaran abun da ke ciki, kaddarorin juzu'i, ƙarfin tasiri, da gwaji mara lalacewa.
2. PSL1 baya buƙatar tasirin tasiri. Don duk matakan ƙarfe na PSL2 ban da x80, matsakaicin ƙimar Akv a cikakken sikelin a 0°C: madaidaiciyar ≥ 41J, mai juyawa ≥ 27J. X80 karfe sa, cikakken sikelin 0 ℃ Akv matsakaita darajar: a tsaye ≥ 101J, m ≥ 68J.
3. Ya kamata a gwada bututun bututun ruwa ta hanyar ruwa ɗaya bayan ɗaya, kuma ƙa'idar ba ta ba da damar maye gurbin ruwa mai lalacewa ba. Wannan kuma babban bambanci ne tsakanin ma'aunin API da ma'aunin Sinanci. PSL1 baya buƙatar dubawa mara lalacewa, PSL2 yakamata ya zama dubawa mara lalacewa ɗaya bayan ɗaya.
Aikace-aikace
Ana amfani da bututun ne wajen jigilar mai, tururi da ruwan da ake dibarwa daga kasa zuwa kamfanonin mai da iskar gas ta bututun.
Babban Daraja
Daraja don bututun layin API 5L: Gr.B X42 X52 X60 X65 X70
Abubuwan Sinadari
| Matsayin Karfe (Sunan Karfe) | Ragowar Jama'a, Dangane da Zafafawa da Nazarin Samfura,g% | |||||||
| C | Mn | P | S | V | Nb | Ti | ||
| max b | max b | min | max | max | max | max | max | |
| Bututu mara kyau | ||||||||
| L175 ya da A25 | 0.21 | 0.60 | - | 0.030 | 0.030 | - | - | - |
| L175P ya da A25P | 0.21 | 0.60 | 0.045 | 0.080 | 0.030 | - | - | - |
| L210 ya da A | 0.22 | 0.90 | - | 0.030 | 0.030 | - | - | - |
| L245 ya da B | 0.28 | 1.20 | - | 0.030 | 0.030 | c,d | c,d | d |
| L290 ya da X42 | 0.28 | 1.30 | - | 0.030 | 0.030 | d | d | d |
| L320 ya da X46 | 0.28 | 1.40 | - | 0.030 | 0.030 | d | d | d |
| L360 ya da X52 | 0.28 | 1.40 | - | 0.030 | 0.030 | d | d | d |
| L390 ya da X56 | 0.28 | 1.40 | - | 0.030 | 0.030 | d | d | d |
| L415 ya da X60 | 0.28e ku | 1.40e ku | - | 0.030 | 0.030 | f | f | f |
| L450 ya da X65 | 0.28e ku | 1.40e ku | - | 0.030 | 0.030 | f | f | f |
| L485 ya da X70 | 0.28e ku | 1.40e ku | - | 0.030 | 0.030 | f | f | f |
| Welded Pipe | ||||||||
| L175 ya da A25 | 0.21 | 0.60 | - | 0.030 | 0.030 | - | - | - |
| L175P ya da A25P | 0.21 | 0.60 | 0.045 | 0.080 | 0.030 | - | - | - |
| L210 ya da A | 0.22 | 0.90 | - | 0.030 | 0.030 | - | - | - |
| L245 ya da B | 0.26 | 1.20 | - | 0.030 | 0.030 | c,d | c,d | d |
| L290 ya da X42 | 0.26 | 1.30 | - | 0.030 | 0.030 | d | d | d |
| L320 ya da X46 | 0.26 | 1.40 | - | 0.030 | 0.030 | d | d | d |
| L360 ya da X52 | 0.26 | 1.40 | - | 0.030 | 0.030 | d | d | d |
| L390 ya da X56 | 0.26 | 1.40 | - | 0.030 | 0.030 | d | d | d |
| L415 ya da X60 | 0.26e ku | 1.40e ku | - | 0.030 | 0.030 | f | f | f |
| L450 ya da X65 | 0.26e ku | 1.45e ku | - | 0.030 | 0.030 | f | f | f |
| L485 ya da X70 | 0.26e ku | 1.65e ku | - | 0.030 | 0.030 | f | f | f |
| ku ≤ 0.50 %; Ni ≤ 0.50 %; Cr ≤ 0.50 % da Mo ≤ 0.15 %. b Ga kowane raguwa na 0.01 % ƙasa da ƙayyadadden ƙididdiga don carbon, haɓakar 0.05% sama da ƙayyadadden ƙididdiga na Mn ya halatta, har zuwa iyakar 1.65 % don maki ≥ L245 ko B, amma ≤ L360 ko X52; har zuwa matsakaicin 1.75% na maki> L360 ko X52, amma <L485 ko X70; kuma har zuwa matsakaicin 2.00% don Grade L485 ko X70. c Sai dai in an yarda, Nb + V ≤ 0.06 %. d Nb + V + Ti ≤ 0.15 %. e Sai dai in akasin haka. Sai dai in an yarda da haka, Nb + V + Ti ≤ 0.15 %. g Ba a yarda da ƙarin B da gangan ba kuma ragowar B ≤ 0.001 %. | ||||||||
Kayan Injiniya
|
Bututu Grade | Jikin Bututu na Bututu mara sumul da Welded | Weld Seam na EW, LW, SAW, da SUNABututu | ||
| Ƙarfin Haɓakaa Rt0.5 | Ƙarfin Ƙarfia Rm | Tsawaitawa(a kan 50 mm ko 2 in.)Af | Ƙarfin Ƙarfib Rm | |
| MPa (psi) | MPa (psi) | % | MPa (psi) | |
| min | min | min | min | |
| L175 ya da A25 | 175 (25,400) | 310 (45,000) | c | 310 (45,000) |
| L175P ya da A25P | 175 (25,400) | 310 (45,000) | c | 310 (45,000) |
| L210 ya da A | 210 (30,500) | 335 (48,600) | c | 335 (48,600) |
| L245 ya da B | 245 (35,500) | 415 (60,200) | c | 415 (60,200) |
| L290 ya da X42 | 290 (42,100) | 415 (60,200) | c | 415 (60,200) |
| L320 ya da X46 | 320 (46,400) | 435 (63,100) | c | 435 (63,100) |
| L360 ya da X52 | 360 (52,200) | 460 (66,700) | c | 460 (66,700) |
| L390 ya da X56 | 390 (56,600) | 490 (71,100) | c | 490 (71,100) |
| L415 ya da X60 | 415 (60,200) | 520 (75,400) | c | 520 (75,400) |
| L450 ya da X65 | 450 (65,300) | 535 (77,600) | c | 535 (77,600) |
| L485 ya da X70 | 485 (70,300) | 570 (82,700) | c | 570 (82,700) |
| a Don matsakaicin maki, bambanci tsakanin ƙayyadadden ƙayyadaddun ƙarancin ƙarfi da ƙayyadaddun ƙayyadaddun ƙarfin amfanin ƙasa don jikin bututu zai kasance kamar yadda aka bayar a cikin tebur don matsayi mafi girma na gaba.b Don matsakaicin maki, ƙayyadaddun ƙarancin ƙarancin ƙarfi don kabu na weld. za su kasance daidai da ƙimar da aka ƙaddara don jikin bututu ta amfani da bayanin ƙasa a) .c Ƙimar ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun lokaci,Af, wanda aka bayyana a cikin kashi kuma aka zagaye zuwa kashi mafi kusa, za a ƙayyade ta amfani da ma'auni mai zuwa:
ina C shine 1940 don lissafin amfani da raka'a SI da 625,000 don ƙididdigewa ta amfani da raka'a USC; Axc shine yanki na juzu'in gwaji na tensile, wanda aka bayyana a cikin murabba'in millimeters (inci murabba'in), kamar haka: 1) don madauwari na gwajin yanki, 130 mm2 (0.20 in.2) don 12.7 mm (0.500 in.) da 8.9 mm (0.350 in.) ƙananan gwajin diamita; 65 mm2 (0.10 in.2) don 6.4 mm (0.250 in.) ƙananan gwajin diamita; 2) don cikakkun yanki na gwaji, ƙaramin a) 485 mm2 (0.75 in.2) da b) yanki na yanki na yanki na gwajin, wanda aka samo ta amfani da ƙayyadaddun diamita na waje da ƙayyadadden kauri na bangon bututu, zagaye zuwa mafi kusa 10 mm2 (0.01 in.2); 3) don guntun gwajin tsiri, ƙaramin a) 485 mm2 (0.75 in.2) da b) yanki na yanki na yanki na gwajin, wanda aka samo ta amfani da ƙayyadaddun nisa na yanki na gwajin da ƙayyadadden kauri na bangon bututun. , zagaye zuwa mafi kusa 10 mm2 (0.01 in.2); U shine ƙayyadadden ƙayyadaddun ƙarfin ƙarfi, wanda aka bayyana a cikin megapascals (fam a kowace inci murabba'i). | ||||
Diamita na waje, daga zagaye da kaurin bango
| Ƙayyadaddun Waje Diamita D (a) | Haƙurin diamita, inci d | Haƙuri na Ƙarfafawa a cikin | ||||
| Bututu banda karshen a | Ƙarshen bututu a,b,c | Bututu banda Karshen a | Ƙarshen bututu a,b,c | |||
| Farashin SMLS | Welded Pipe | Farashin SMLS | Welded Pipe | |||
| < 2.375 | -0.031 zuwa + 0.016 | - 0.031 zuwa + 0.016 | 0.048 | 0.036 | ||
| ≥2.375 zuwa 6.625 | 0.020D don | 0.015D don | ||||
| +/- 0.0075D | - 0.016 zuwa + 0.063 | D/t≤75 | D/t≤75 | |||
| Ta yarjejeniya don | Ta yarjejeniya don | |||||
| 6.625 zuwa 24.000 | +/- 0.0075D | +/- 0.0075D, amma mafi girman 0.125 | +/- 0.005D, amma mafi girman 0.063 | 0.020D | 0.015D | |
| > 24 zuwa 56 | +/- 0.01D | +/- 0.005D amma mafi girman 0.160 | +/- 0.079 | +/- 0.063 | 0.015D don amma max na 0.060 | 0.01D don amma max na 0.500 |
| Domin | Domin | |||||
| D/t≤75 | D/t≤75 | |||||
| Bisa yarjejeniya | Bisa yarjejeniya | |||||
| domin | domin | |||||
| D/t≤75 | D/t≤75 | |||||
| >56 | Kamar yadda aka amince | |||||
| a. Ƙarshen bututun ya haɗa da tsawon 4 a cinye kowane ɗayan bututun | ||||||
| b. Don bututun SMLS ana buƙatar haƙuri don t≤0.984in kuma haƙurin bututu mai kauri zai kasance kamar yadda aka yarda. | ||||||
| c. Don bututu mai faɗaɗa tare da D≥8.625in kuma don bututun da ba a faɗaɗa ba, ana iya ƙididdige haƙurin diamita da juriya na waje ta amfani da ƙididdige diamita na ciki ko auna cikin diamita maimakon ƙayyadaddun OD. | ||||||
| d. Don tantance yarda da jurewar diamita, an ayyana diamita na bututu azaman kewayen bututun a kowane yanki na kewayen da Pi ya raba. | ||||||
| Kaurin bango | Hakuri a |
| t inci | inci |
| SMLS bututu b | |
| 0.157 | -1.2 |
| 0.157 zuwa <0.948 | + 0.150t / - 0.125t |
| 0.984 | + 0.146 ko + 0.1t, duk wanda ya fi girma |
| - 0.120 ko - 0.1t, duk wanda ya fi girma | |
| Bututu mai walda c,d | |
| 0.197 | +/- 0.020 |
| 0.197 zuwa <0.591 | +/- 0.1t |
| 0.591 | +/- 0.060 |
| a. Idan odar siyan ya ƙididdige ƙarancin haƙuri don kaurin bango ƙasa da ƙimar da ake buƙata da aka bayar a cikin wannan tebur, ƙarin juriya na kauri na bango za a ƙaru da adadin da ya isa don kula da iyakar haƙurin da ya dace. | |
| b. Don bututu tare da D≥ 14.000 a cikin da t≥0.984in, haƙurin kauri na bango a gida na iya wuce ƙarin juriya don kauri na bango ta ƙarin 0.05t muddin ba a ƙetare ƙarin haƙuri ga taro ba. | |
| c. Haƙuri da ƙari ga kaurin bango baya shafi yankin walda | |
| d. Duba cikakken API5L ƙayyadaddun don cikakkun bayanai | |
Hakuri
Bukatar Gwaji
Gwajin Hydrostatic
Bututu don jure wa gwajin hydrostatic ba tare da yayyo ba ta cikin kabu ko jikin bututu. Ba dole ba ne a gwada masu haɗin haɗin gwiwa tare da samar da sassan bututun da aka yi amfani da su cikin nasara.
Lanƙwasa gwajin
Ba za a sami tsaga a kowane yanki na gwajin ba kuma ba za a buɗe walda ba.
Gwajin lallashi
Ma'auni na yarda don gwajin lallashi ya zama:
- EW bututu D<12.750 in:
- X60 tare da T500in. Ba za a sami buɗaɗɗen walda ba kafin nisa tsakanin faranti bai wuce 66% na ainihin diamita na waje ba. Ga duk maki da bango, 50%.
- Don bututu tare da D/t> 10, ba za a sami buɗaɗɗen walda ba kafin nisa tsakanin faranti ya kasance ƙasa da 30% na ainihin diamita na waje.
- Don wasu masu girma dabam koma zuwa cikakken ƙayyadaddun API 5L.
Gwajin tasiri na CVN don PSL2
Yawancin bututun PSL2 da maki suna buƙatar CVN. Za a gwada bututu marar sumul a cikin jiki. Za a gwada bututu mai walda a jiki, waldar bututu da yankin da zafi ya shafa. Koma zuwa cikakken ƙayyadaddun API 5L don ginshiƙi masu girma da maki da ƙimar kuzarin da ake buƙata.
