APISPEC5L-2012 Bututun Layin Karfe Mara Sumul na Carbon bugu na 46
| Daidaitacce:API 5L | Alloy ko A'a: Ba gami ba, Carbon |
| Rukunin Aji: Gr.B X42 X52 X60 X65 X70 da sauransu | Aikace-aikace: Layin Bututu |
| Kauri: 1 - 100 mm | Maganin Surface: Kamar yadda abokin ciniki ke buƙata |
| Diamita na Waje (Zagaye): 10 - 1000 mm | Fasaha: An yi birgima mai zafi |
| Tsawon Lokaci: Tsawon Lokaci ko Tsawon Lokaci | Maganin zafi: Daidaita |
| Siffar Sashe: Zagaye | Bututu na Musamman: PSL2 ko Babban Bututu |
| Wurin Asali: China | Amfani: Gine-gine, Bututun ruwa |
| Takardar Shaida: ISO9001:2008 | Gwaji: NDT/CNV |
Ana amfani da bututun ne wajen jigilar mai, tururi da ruwan da aka ɗebo daga ƙasa zuwa kamfanonin masana'antar mai da iskar gas ta hanyar bututun.
Maki donAPI 5Lbututun layi: Gr.B X42 X52 X60 X65 X70
| Karfe Grade (Sunan Karfe) | Rarrabuwar Kashi, Dangane da Nazarin Zafi da Samfuraa,g% | |||||||
| C | Mn | P | S | V | Nb | Ti | ||
| matsakaicin b | matsakaicin b | minti | matsakaicin | matsakaicin | matsakaicin | matsakaicin | matsakaicin | |
| Bututu mara sumul | ||||||||
| L175 ko A25 | 0.21 | 0.60 | — | 0.030 | 0.030 | — | — | — |
| L175P ko A25P | 0.21 | 0.60 | 0.045 | 0.080 | 0.030 | — | — | — |
| L210 ko A | 0.22 | 0.90 | — | 0.030 | 0.030 | — | — | — |
| L245 ko B | 0.28 | 1.20 | — | 0.030 | 0.030 | c,d | c,d | d |
| L290 ko X42 | 0.28 | 1.30 | — | 0.030 | 0.030 | d | d | d |
| L320 ko X46 | 0.28 | 1.40 | — | 0.030 | 0.030 | d | d | d |
| L360 ko X52 | 0.28 | 1.40 | — | 0.030 | 0.030 | d | d | d |
| L390 ko X56 | 0.28 | 1.40 | — | 0.030 | 0.030 | d | d | d |
| L415 ko X60 | 0.28 e | 1.40 e | — | 0.030 | 0.030 | f | f | f |
| L450 ko X65 | 0.28 e | 1.40 e | — | 0.030 | 0.030 | f | f | f |
| L485 ko X70 | 0.28 e | 1.40 e | — | 0.030 | 0.030 | f | f | f |
| Bututun da aka haɗa | ||||||||
| L175 ko A25 | 0.21 | 0.60 | — | 0.030 | 0.030 | — | — | — |
| L175P ko A25P | 0.21 | 0.60 | 0.045 | 0.080 | 0.030 | — | — | — |
| L210 ko A | 0.22 | 0.90 | — | 0.030 | 0.030 | — | — | — |
| L245 ko B | 0.26 | 1.20 | — | 0.030 | 0.030 | c,d | c,d | d |
| L290 ko X42 | 0.26 | 1.30 | — | 0.030 | 0.030 | d | d | d |
| L320 ko X46 | 0.26 | 1.40 | — | 0.030 | 0.030 | d | d | d |
| L360 ko X52 | 0.26 | 1.40 | — | 0.030 | 0.030 | d | d | d |
| L390 ko X56 | 0.26 | 1.40 | — | 0.030 | 0.030 | d | d | d |
| L415 ko X60 | 0.26 e | 1.40 e | — | 0.030 | 0.030 | f | f | f |
| L450 ko X65 | 0.26 e | 1.45 e | — | 0.030 | 0.030 | f | f | f |
| L485 ko X70 | 0.26 e | 1.65 e | — | 0.030 | 0.030 | f | f | f |
| ku ≤ 0.50 %; Ni ≤ 0.50 %; Cr ≤ 0.50 % da Mo ≤ 0.15 %. b Ga kowace raguwar kashi 0.01% ƙasa da matsakaicin yawan carbon da aka ƙayyade, an yarda da ƙaruwar kashi 0.05% sama da matsakaicin yawan Mn da aka ƙayyade, har zuwa matsakaicin kashi 1.65% ga maki ≥ L245 ko B, amma ≤ L360 ko X52; har zuwa matsakaicin kashi 1.75% ga maki > L360 ko X52, amma < L485 ko X70; kuma har zuwa matsakaicin kashi 2.00% ga maki L485 ko X70. c Sai dai idan an amince akasin haka, Nb + V ≤ 0.06%. d Nb + V + Ti ≤ 0.15%. e Sai dai idan an amince akasin haka. f Sai dai idan an amince akasin haka, Nb + V + Ti ≤ 0.15%. g Ba a yarda da ƙara B da gangan ba, kuma ragowar B ≤ 0.001%. | ||||||||
|
Bututu Grade | Bututun Jikin Bututu Mara Sumul da Welded | Dindin da aka haɗa da EW, LW, SAW, da SaniyaBututu | ||
| Ƙarfin Ba da Kyautaa Rt0.5 | Ƙarfin Taurin Kaia Rm | Ƙarawa(a kan inci 2 ko 50 mm)Af | Ƙarfin Taurin Kaib Rm | |
| MPa (psi) | MPa (psi) | % | MPa (psi) | |
| minti | minti | minti | minti | |
| L175 ko A25 | 175 (25,400) | 310 (45,000) | c | 310 (45,000) |
| L175P ko A25P | 175 (25,400) | 310 (45,000) | c | 310 (45,000) |
| L210 ko A | 210 (30,500) | 335 (48,600) | c | 335 (48,600) |
| L245 ko B | 245 (35,500) | 415 (60,200) | c | 415 (60,200) |
| L290 ko X42 | 290 (42,100) | 415 (60,200) | c | 415 (60,200) |
| L320 ko X46 | 320 (46,400) | 435 (63,100) | c | 435 (63,100) |
| L360 ko X52 | 360 (52,200) | 460 (66,700) | c | 460 (66,700) |
| L390 ko X56 | 390 (56,600) | 490 (71,100) | c | 490 (71,100) |
| L415 ko X60 | 415 (60,200) | 520 (75,400) | c | 520 (75,400) |
| L450 ko X65 | 450 (65,300) | 535 (77,600) | c | 535 (77,600) |
| L485 ko X70 | 485 (70,300) | 570 (82,700) | c | 570 (82,700) |
| a. Ga matsakaicin maki, bambanci tsakanin ƙaramin ƙarfin taurin da aka ƙayyade da ƙaramin ƙarfin amfani ga jikin bututun zai kasance kamar yadda aka bayar a cikin tebur don babban matakin na gaba. b. Ga matsakaicin maki, ƙaramin ƙarfin taurin da aka ƙayyade don dinkin walda zai zama daidai da ƙimar da aka ƙayyade ga jikin bututun ta amfani da bayanin ƙasa a).c. Mafi ƙarancin tsayi,Af, wanda aka bayyana a cikin kashi kuma aka zagaye shi zuwa kashi mafi kusa, za a ƙayyade shi ta amfani da lissafi mai zuwa:
ina C shine 1940 don lissafin amfani da raka'o'in SI da kuma 625,000 don lissafin amfani da raka'o'in USC; Axc shine yankin giciye-sashe na gwajin tensile da ya dace, wanda aka bayyana a cikin milimita murabba'i (inci murabba'i), kamar haka: 1) don gwaje-gwajen da'ira, 130 mm2 (in.20 in.2) don gwaje-gwajen da'ira 12.7 mm (in.0.500 in.) da 8.9 mm (in.350 in.); 65 mm2 (in.10 in.2) don gwaje-gwajen da'ira 6.4 mm (in.250 in.); 2) ga sassan gwaji na cikakken sashe, ƙasa da a) 485 mm2 (in.75 in.2) da kuma b) yankin giciye na ɓangaren gwajin, wanda aka samo ta amfani da diamita na waje da aka ƙayyade da kuma kauri na bango da aka ƙayyade na bututun, wanda aka zagaye zuwa mafi kusa da 10 mm2 (in.01 in.2); 3) ga guntun gwajin tsiri, ƙasa da a) 485 mm2 (in.75 in.2) da kuma b) yankin giciye na guntun gwajin, wanda aka samo ta amfani da faɗin da aka ƙayyade na guntun gwajin da kuma kauri na bango da aka ƙayyade na bututun, wanda aka zagaye zuwa mafi kusa da 10 mm2 (in.01 in.2); U shine ƙayyadadden ƙarfin taurin kai, wanda aka bayyana a cikin megapascals (fam a kowace murabba'in inci). | ||||
Diamita na waje, daga zagaye da kauri na bango
| Diamita na Waje da aka ƙayyade D (in) | Juriyar diamita, inci d | Juriyar Juriya daga Zagaye a cikin | ||||
| Bututu sai dai ƙarshen a | Ƙarshen bututu a, b, c | Bututu sai dai Ƙarshen a | Ƙarshen Bututu a, b, c | |||
| Bututun SMLS | Bututun da aka haɗa | Bututun SMLS | Bututun da aka haɗa | |||
| < 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 hanyar yarjejeniya don | Ta hanyar yarjejeniya don | |||||
| >6.625 zuwa 24,000 | +/- 0.0075D | +/- 0.0075D, amma matsakaicin 0.125 | +/- 0.005D, amma matsakaicin 0.063 | 0.020D | 0.015D | |
| >24 zuwa 56 | +/- 0.01D | +/- 0.005D amma matsakaicin 0.160 | +/- 0.079 | +/- 0.063 | 0.015D amma matsakaicin 0.060 | 0.01D don amma matsakaicin 0.500 |
| Domin | Domin | |||||
| D/t≤75 | D/t≤75 | |||||
| Ta hanyar yarjejeniya | Ta hanyar yarjejeniya | |||||
| don | don | |||||
| D/t≤75 | D/t≤75 | |||||
| >56 | Kamar yadda aka amince | |||||
| a. Ƙarshen bututun ya ƙunshi tsawon inci 4 a kowace ƙarshen bututun. | ||||||
| b. Ga bututun SMLS, juriyar ta shafi t≤0.984in kuma juriyar bututun mai kauri za ta kasance kamar yadda aka amince. | ||||||
| c. Ga bututun da aka faɗaɗa mai D≥8.625in da kuma bututun da ba a faɗaɗa ba, ana iya ƙayyade juriyar diamita da juriyar fita daga zagaye ta amfani da diamita na ciki da aka ƙididdige ko diamita na ciki da aka auna maimakon OD da aka ƙayyade. | ||||||
| d. Domin tantance bin ka'ida ga jurewar diamita, ana ayyana diamita na bututun a matsayin kewayen bututun a cikin kowace rabawa ta hanyar Pi. | ||||||
| Kauri a bango | Juriya a |
| inci mai tsini | inci |
| bututun SMLS 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 | |
| Bututun da aka haɗa da walda c,d | |
| ≤ 0.197 | +/- 0.020 |
| > 0.197 zuwa < 0.591 | +/- 0.1t |
| ≥ 0.591 | +/- 0.060 |
| a. Idan odar siyan ta ƙayyade rashin haƙuri ga kauri na bango wanda ya fi ƙanƙanta da ƙimar da aka bayar a cikin wannan tebur, ƙarin haƙuri ga kauri na bango zai ƙaru da adadin da ya isa don kiyaye kewayon haƙurin da ya dace. | |
| b. Ga bututun da ke da D≥ 14,000 in da t≥0.984in, juriyar kauri na bango a gida na iya wuce juriyar kauri na bango da ƙarin 0.05t muddin ba a wuce juriyar kauri na nauyi ba. | |
| c. Ƙarin haƙuri ga kauri bango ba ya shafi yankin walda | |
| d. Duba cikakken API5L bayani dalla-dalla don cikakkun bayanai | |
Gwajin Hydrostatic
Bututun da zai iya jure gwajin hydrostatic ba tare da zubewa ta hanyar dinkin walda ko jikin bututun ba. Ba sai an gwada haɗin ba muddin an gwada sassan bututun da aka yi amfani da su cikin nasara.
Gwajin lanƙwasa
Ba za a sami tsagewa a kowane ɓangare na kayan gwajin ba kuma ba za a sami buɗewar walda ba.
Gwajin lanƙwasawa
Sharuɗɗan karɓa don gwajin daidaitawa sune:
- Bututun EW D <12.750 a cikin:
- X60 mai girman T 500in. Ba za a sami buɗewar walda ba kafin nisan da ke tsakanin faranti ya zama ƙasa da kashi 66% na diamita na waje na asali. Ga dukkan maki da bango, kashi 50%.
- Ga bututun da ke da D/t > 10, ba za a sami buɗewar walda ba kafin nisan da ke tsakanin faranti ya zama ƙasa da kashi 30% na ainihin diamita na waje.
- Don wasu girma dabam dabam, duba cikakkenAPI 5Lƙayyadewa.
Gwajin tasirin CVN don PSL2
Girman bututun PSL2 da maki da yawa suna buƙatar CVN. Ana gwada bututun mara sumul a jiki. Ana gwada bututun da aka haɗa da walda a jiki, walda da yankin da zafi ke shafar. Duba cikakkenAPI 5Lƙayyadewa don jadawalin girma da maki da ƙimar kuzarin da ake buƙata.
