Bututun layi: Ana jigilar mai, iskar gas ko ruwan da aka samo daga ƙasa zuwa ga kamfanonin masana'antar mai da iskar gas ta hanyar bututun layi. Bututun layi sun haɗa da bututun da ba su da matsala da kuma waɗanda aka haɗa. Ƙarshen bututun ƙarshensu lebur ne, ƙarshen zare da ƙarshen soket; hanyoyin haɗin sune walda ƙarshe, haɗin haɗin kai, haɗin soket, da sauransu.

Sunan kasar Sin Bututun layi Bayanin bututun layi 10.3-2032 × 1.7-39.7mm Tsarin aiwatarwaGB/T9711-2017/API TAMBAYOYI 5LAmfani da iskar gas, ruwa da jigilar mai a masana'antar iskar gas

Bayani game da bututun layi
Amfani: Ana amfani da shi don jigilar iskar gas, ruwa da mai a masana'antar mai da iskar gas

API SECEM 5L-2018(Bayanin bututun layi) Cibiyar Man Fetur ta Amurka ce ta tattara kuma ta buga shi kuma ana amfani da shi sosai a duk faɗin duniya.

Dangane da buƙatun aiki daban-daban naGB/T9711-2017bututun ƙarfe na bututun bututun, ana iya raba tempering zuwa nau'ikan masu zuwa bisa ga zafin jiki na tempering:
1. Ƙaramin zafin jiki (digiri 150-250)
Tsarin da aka samu ta hanyar rage zafin jiki mai zafi shine martensite. Manufarsa ita ce rage damuwa ta ciki da kuma karyewar ƙarfen da aka kashe yayin da ake kiyaye tauri mai yawa da juriyar lalacewa ta ƙarfen da aka kashe, don guje wa fashewa ko lalacewa da wuri yayin amfani. Ana amfani da shi galibi don kayan aikin yanke carbon daban-daban, kayan aikin aunawa, bututun ƙarfe na bututun GB/T9711, bearings na birgima da sassan carburized, da sauransu. Taurin bayan an gama dumama gabaɗaya shine HRC58-64.
2. Matsakaicin zafin jiki (digiri 250-500)
Tsarin da aka samu ta hanyar rage zafin jiki na matsakaici shine troostite mai zafi. Manufarsa ita ce samun ƙarfin yawan amfanin ƙasa, iyaka mai laushi da kuma ƙarfi mai yawa. Saboda haka, ana amfani da shi galibi don magance nau'ikan bututun ƙarfe na GB/T9711 da molds masu zafi, kuma taurin bayan rage zafin jiki gabaɗaya shine HRC35-50.
3. Tsarin zafin jiki mai zafi (digiri 500-650)
Tsarin da aka samu ta hanyar rage zafin jiki mai zafi shine troostite. Maganin zafi wanda ya haɗa da rage zafin jiki da rage zafin jiki mai zafi yawanci ana kiransa quenching da tempering treatment, wanda manufarsa ita ce samun cikakkun kayan aikin injiniya tare da ƙarfi mai kyau, tauri, laushi da tauri. Saboda haka, ana amfani da shi sosai a cikin muhimman sassan tsarin motoci, bututun ƙarfe na bututun GB/T9711, kayan aikin injina, da sauransu, kamar sandunan haɗawa, ƙusoshi, gears da shafts. Tauri bayan rage zafin jiki gabaɗaya shine HB200-330.
Babban matakan samar da bututun bututun mai (API5L/GB/T 9711-2017):
1. PSL1: A/A210, B/L245,X42/L290, X46/L320,X52/L360, X56/L390,X60/L415, X65/L450, X70/L485, X80/L555
2. PSL2: BN/L245N, X42N/L290N, X46N/L320N, X52N/L360N, X56N/L390N, X60N/L415N, X65Q/L450Q, X70Q/L485 Q, X80Q/L555Q, X42Q/L290Q, X46Q/L320Q, X52Q/L360Q, X56Q/L390Q, X60Q/L415Q, X65Q/L450Q, X70Q/L485Q, X80Q/L555Q, X90Q/L625Q, X100Q/L690Q

3. Kayan bututun mai mai guba: BNS/L245NS, X42NS/L290NS, X46NS/L320NS, X52NS/L360NS, X56NS/L390NS, X60NS /L415NS, X65QS/L450QS, X70QS/L485SQ, X80QS/L555QS, X42QS/L290QS, X46QS/L320QS, X52QS/L360QS, X56QS/L390QS, X60QS/L415QS, X65QS/L450QS, X70QS/L485QS
4. Kayan Bututun Layin Sabis na Acid/Still: BNO/L245NO, X42NO/L290NO, X46NO/L320NO, X52NO/L360NO, X56NO/L390NO, X60NO/L415NO, X65QO/L450QO, X70QO/L485QO, X80QO/L555QO, X42QO/L290QO, X46QO/L320QO, X52QO/L360QO, X56QO/L390QO, X60QO/L415QO, X65QO/L450QO, X70QO/L485QO, X80QO/L555QO, X90QO/L625QO, X100QO/L690QO

Lura: An ƙara haruffa da yawa bayan an ƙara suAPI 5L misalimatakin bututun ƙarfe, wanda ke wakiltar waɗannan:
Me ake nufi da matakin ƙarfe na bututun ƙarfe N? "N" yana nufin daidaita yanayin zafi?
Me ake nufi da matakin Q na ƙarfen bututun ƙarfe? "Q" yana nufin kashewa da maganin zafi mai zafi?
Me ake nufi da NS na matakin bututun ƙarfe? "NS" yana nufin daidaita yanayi da juriya ga acid da tsatsa,
Me ake nufi da QS na matakin ƙarfe na bututun ƙarfe? "QS" yana nufin kashewa + maganin zafi mai zafi da juriya ga acid da tsatsa