9. M karfe bututu GB / T8162-1999, karfe lambar: 10 #, 20 #, 35 #, 45 # da kuma 16Mn
(Q345), Musammantawa: 6-720 * 1-70mm
10. M karfe bututu domin isar ruwa GB / T8163-1999, karfe lambar: 10 #, 20 #, 16Mn (Q345),
Bayani: 6-720*1-70mm
11. Low-matsakaici matsa lamba tukunyar jirgi tube GB3087-1999, karfe No.: 10 #, 20 #, ƙayyadaddun: 6-720 * 1-70mm
12. Babban matsin tukunyar jirgi GB5310-1995, Karfe No.: 20G, ƙayyadaddun bayanai: 6-720 * 1-70mm.
"da" DN" -kamar ana amfani da su don nuna diamita, bambancin shine:
"" yana nuna diamita na da'irar talakawa, ko kuma diamita na waje na bututu da aka ninka da kaurin bango, kamar: φ25 × 3 yana nuna diamita na waje.
Bututu na 25mm da 3mm kauri bango;"DN": nadi na musamman don kayan aiki kamar bututu da bawuloli
Hanya, yawanci kusa da diamita na ciki. Yana da ma'auni na yau da kullum da aka kafa don manufar kayan aikin injiniya.
Yana nufin diamita na waje, kuma DN yana nufin diamita na ciki DN: diamita mara kyau: diamita na waje.
Yanzu tubes - -.kamar a cikin inci, millimeters shine mafi kusanta, mai sauƙin tunawa da lambar.
Misali, bututu DN50 ya kamata ya zama inci 2, inch 1 = 25.4mm, inci 2 yakamata ya zama 50mm.
A wannan lokacin, bangon kauri na bututu, bututu mai karkace yana sama da 5mm, ɗaukar 5mm azaman misali.
Matsakaicin diamita na bututu DN50 yakamata ya zama kusan 60mm.
Q345 sumul karfe bututu ne ainihin irin karfe bututu material.Q tsaye ga yawan amfanin ƙasa na wannan abu,
Shine harafin farko na pinyin, sai kuma lamba 345, wanda ke nufin ƙimar amfanin wannan abu.
A ko a kusa da 345. Kuma yana rage lamba yayin da kauri na kayan ya karu.
Irin wannan aji zuwa hanyar sanya suna don aji Q235.
Q345A,Q345B,Q345C,Q345D,Q345E.Wannan shi ne bambancin maki, wakilta ta
Yafi, shine tasirin zafin jiki ya bambanta kuma!
Q345A, babu tasiri;Q345B, tasirin zafin jiki na digiri 20;Q345C, shine 0
Tasirin digiri;Matakin Q345D, shine tasirin digiri na 20;Q345E matakin, shine-40 tasirin tasiri. A daban-daban
Yanayin zafin tasiri, ƙimar tasirin kuma ya bambanta..
A cikin farantin karfe, yana da jerin ƙananan ƙananan ƙananan.
Q345 bututun karfe maras sumul a baya ana kiransa: 16Mn bututu maras nauyi.
Matsayin aiwatar da waje na Q345 bututu maras nauyi shine: GB709, kuma ma'aunin aiwatar da ciki shine:
GB/T1591-94
Abubuwan da aka bayar na Shandong Jute Steel Pipe Co., Ltd.
Lambobin sadarwa: Mr. Ji
WhatsApp: +86 18865211873
WeChat: +86 18865211873
E-mail: jutesteelpipe@gmail.com
E-mail: juteguanye@aliyun.com
Lokacin aikawa: Maris 15-2022
