9711 ƘasarSpiral karfe bututuBabban aiwatar da ka'idoji ne 9711, GB / T9711.1-2008 (National Standard, wanda aka kuma kira man fetur da gas masana'antu jigilar karfe bututun isar da fasaha sharuddan Sashe na farko: A matakin karfe bututun (da ake buƙata tsananin akwai GB / T9711.2 matakin karfe bututun).

9711国标螺旋钢管的材质有 Q235A, Q235B, 10 #, 20 #, Q345 (16Mn), L245 (B), L290 (X42), L320 (X46), L360 (X52), L390 (X56), L415 (X60), L450 (X65), L485 (X70), L555 (X80), L290NB / MB (X42N / M), L360NB / MB (X52N / M), L390NB / MB (X56N / M), L415NB / MB (X60N / M), L450MB (X65), L485MB (X70), L555MB (X80).

9711 kasa misali madaidaiciya karfe bututu a halin yanzu mafi yau da kullun bayanai ne 219mm --- 3020mm, bango kauri ne tsakanin 6mm --- 18mm.

9711 kasa misali madaidaiciya karfe bututu amfani da ruwa injiniya, petrochemical masana'antu, sinadarai masana'antu, wutar lantarki masana'antu, noma irrigation, birni gini, shi ne daya daga cikin ashirin manyan kayayyakin da kasar ta ci gaba. Don jigilar ruwa: samar da ruwa, drainage. Gas jigilar: gas, tururi, liquefied man fetur gas. Don tsarin amfani: don piling bututu, don gada; Jirgin ruwa, hanyoyi, bututun gine-gine, da dai sauransu.

9711 kasa misali madaidaiciya karfe bututu yafi tushen ka'idodin GB / T9711-1997 man fetur da gas masana'antu jigilar karfe bututu, wanda ya hada da GB / T9711.1 (wakiltar A-aji karfe) da GB / T9711.2 (wakiltar B-aji karfe), GB9711.2 ya hada da inganci da gwaji bukatun gaba daya sama da GB9711.1 ka'idodin, GB9711.2 gabaɗaya dace da mai ƙonewa ruwa jigilar karfe bututu, ba dace da cast bututu.

GB / T9711 Sashe na 1 ya ƙayyade yanayin isar da kayan aiki na ƙarfe da kayan aiki na ƙarfe (ba tare da bakin karfe ba) da kuma bututun ƙarfe na walda don jigilar ruwan ƙonewa da ruwan ƙonewa (gami da ruwa) a masana'antar man fetur da gas tare da buƙatun inganci da gwaji (matakin A).

Wannan misali ya hada da threaded karfe bututu da kuma nauyi mai nauyi tare da threaded; Ba tare da iyaya, mai haske mai nauyi ba tare da iyaya, mai nauyi ba tare da iyaya, mai nauyi ba tare da iyaya (XS) ba tare da iyaya da kuma mai nauyi ba tare da iyaya (XXS) ba tare da iyaya karfe bututu; Da kuma daukar da kuma plug karfe bututu. Abubuwan da ake buƙata na girman nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan

Wannan misali ya haɗa da matakan karfe na L175, L210, L245, L290, L320, L360, L390, L415, L450, L485 da L555 da kuma matakan karfe na tsakiya tsakanin L290 da matakan karfe masu girma da aka lissafa a Tebur na 2. Tabel 9A, Tabel 9B nuna da yau da kullun nauyi nauyi ba tare da threaded karfe bututun, da kuma nominal size fiye da 12 (duba Tabel 6) tare da threaded karfe bututun, da aka yi amfani da girman alama a matsayin waje diamita girman. Ga sauran karfe bututun, size alama a matsayin metric size na karfe bututun.

A cikin kowane sashi na wannan daidaitaccen jiki, duk wanda ya nuna ƙarfe bututun girman iyaka (ko girman kewayon), ban da wanda aka nuna a matsayin nominal girman, yana nufin girman diamita na waje. Wadannan iyakoki da kewayon girman diamita na waje suna dacewa da daidai girman metric.

9711 National Standard madaidaiciya karfe bututu Main kayan

Q235A, Q23b, Q345, L245, L290, X42, X46, X70, X80.