J55 K55 N80 Bututun Mai da Bututun Karfe
Rijiyar mai, bututun ƙarfe ne da ake amfani da shi don tallafawa bangon rijiyoyin mai da iskar gas don tabbatar da aiki na yau da kullun na rijiyar mai bayan an gama hakowa da kammalawa.Kowace rijiya tana amfani da nau'i-nau'i na casing bisa ga zurfin hakowa daban-daban da yanayin yanayin ƙasa.Ana amfani da siminti bayan an saukar da rumbun cikin rijiyar.Ba kamar bututun mai da bututun hakowa ba, ba za a iya sake amfani da shi ba kuma abu ne da ake amfani da shi na lokaci ɗaya.Don haka, yawan amfani da casing yana da fiye da kashi 70% na dukkan bututun rijiyar mai.
Lakabi | D Diamita na waje mm | Kaurin bango t mm | C Nau'in ƙarewa | |||||||||
1 | 2 | |||||||||||
NU T&C | EU T&C | IJ | ||||||||||
H40 | J55 | L80 | N80 1Q | C90 | T95 | P110 | ||||||
1 | 2 | 3 | 4 | 5 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
1.9 | 2.75 | 2.9 | 2.76 | 48.26 | 3.68 | PNUI | PNUI | PNUI | PNUI | PNUI | PNUI | - |
1.9 | 3.65 | 3.73 | - | 48.26 | 5.08 | PU | PU | PU | PU | PU | PU | PU |
1.9 | 4.42 | - | - | 48.26 | 6.35 | - | - | P | - | P | P | - |
2 3/8 | 4 | - | - | 60.32 | 4.24 | PU | PN | PN | PN | PN | PN | - |
2 3/8 | 4.6 | 4.7 | - | 60.32 | 4.83 | PNU | PNU | PNU | PNU | PNU | PNU | PNU |
2 3/8 | 5.8 | 5.95 | - | 60.32 | 6.45 | - | - | PNU | PNU | PNU | PNU | PNU |
2 3/8 | 6.6 | - | - | 60.32 | 7.49 | - | - | P | - | P | P | - |
2 3/8 | 7.35 | 7.45 | - | 60.32 | 8.53 | - | - | PU | - | PU | PU | - |
2 7/8 | 6.4 | 6.5 | - | 73.02 | 5.51 | PNU | PNU | PNU | PNU | PNU | PNU | PNU |
2 7/8 | 7.8 | 7.9 | - | 73.02 | 7.01 | - | - | PNU | PNU | PNU | PNU | PNU |
2 7/8 | 8.6 | 8.7 | - | 73.02 | 7.82 | - | - | PNU | PNU | PNU | PNU | PNU |
2 7/8 | 9.35 | 9.45 | - | 73.02 | 8.64 | - | - | PU | - | PU | PU | - |
2 7/8 | 10.5 | - | - | 73.02 | 9.96 | - | - | P | - | P | P | - |
3 1/2 | 7.7 | - | - | 88.9 | 5.49 | PN | PN | PN | PN | PN | PN | - |
3 1/2 | 9.2 | 9.3 | - | 88.9 | 6.45 | PNU | PNU | PNU | PNU | PNU | PNU | PNU |
3 1/2 | 10.2 | - | - | 88.9 | 7.34 | PN | PN | PN | PN | PN | PN | - |
3 1/2 | 12.7 | 12.95 | - | 88.9 | 9.52 | - | - | PNU | PNU | PNU | PNU | PNU |
3 1/2 | 14.3 | - | - | 88.9 | 10.92 | - | - | P | - | P | P | - |
3 1/2 | 15.5 | - | - | 88.9 | 12.09 | - | - | P | - | P | P | - |
4 | 9.5 | - | - | 101.6 | 5.74 | PN | PN | PN | PN | PN | PN | - |
4 | 10.7 | 11 | - | 101.6 | 6.65 | PU | PU | PU | PU | PU | PU | - |
4 | 13.2 | - | - | 101.6 | 8.38 | - | - | P | - | P | P | - |
4 | 16.1 | - | - | 101.6 | 10.54 | - | - | P | - | P | P | - |
4 1/2 | 12.6 | 12.75 | - | 114.3 | 6.88 | PNU | PNU | PNU | PNU | PNU | PNU | - |
4 1/2 | 15.2 | - | - | 114.3 | 8.56 | - | - | P | - | P | P | - |
Rukuni | Daraja | Nau'in | Jimlar tsawo ƙarƙashin kaya % | Samar da ƙarfi Mpa | Ƙarfin ƙarfi min MPa | Hardness max | ||
min | max | HRC | HBW | |||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
1 | J55 | - | 0.5 | 379 | 552 | 517 | - | - |
K55 | - | 0.5 | 379 | 552 | 655 | - | - | |
N80 | 1 | 0.5 | 552 | 758 | 689 | - | - | |
N80 | Q | 0.5 | 552 | 758 | 689 | - | - | |
2 | L80 | 1 | 0.5 | 552 | 655 | 655 | 23 | 241 |
L80 | 9Cr | 0.5 | 552 | 655 | 655 | 23 | 241 | |
L80 | 13 Cr | 0.5 | 552 | 655 | 655 | 23 | 241 | |
C90 | 1?2 | 0.5 | 621 | 724 | 689 | 25.4 | 255 | |
C95 | - | 0.5 | 655 | 758 | 724 | - | - | |
T95 | 1?2 | 0.5 | 655 | 758 | 724 | 25.4 | 255 | |
3 | P110 | - | 0.6 | 758 | 965 | 862 | - | - |
4 | Q125 | Duka | 0.65 | 862 | 1034 | 931 | - | - |
Duban gani don saman bututu
Duba girman girma
Gwajin injina akan ƙarfin ƙarfi, ƙarfin samar da ƙarfi da haɓakawa
Binciken sunadarai
Gwajin NDT wanda ya haɗa da ƙwayar Magnetic, Gwajin Ultrasonic, Gwajin Hydrostatic
Gwajin tasiri na Charpy
Gwaje-gwaje masu kwantawa
Gwajin taurin
Gwajin juzu'i
Duba ƙarshen zaren tare da ma'aunin zaren da cak ɗin haɗin gwiwa
J55 da K55 suna da irin wannan abu a cikin sinadarai da kayan aikin injiniya, musamman J55 yana da ƙananan ƙarancin buƙata da ƙananan haɓaka, wasu ƙayyadaddun ƙayyadaddun abubuwa iri ɗaya ne kamar hanyoyin maganin zafi, gwajin NDE, gwajin gwagwarmayar Charpy, gwajin hydrostatic.
J55/K55 ƙaramar ƙarfin yawan amfanin ƙasa: 379-552 Mpa;
J55 mafi ƙarancin ƙarfin ƙarfi: 517 Mpa, elongation ≥ 19%;
K55 mafi ƙarancin ƙarfin ƙarfi: 655 Mpa, elongation ≥ 15%.