欧美妺子操一操_JULIA国产一区二区在线精品_无码吃逼操视频_黄色一级香蕉视频_WWW.cok操逼_亚洲色区爱_色噜噜影视_熟女日本视频_欧美 激情 另类 自拍_亚洲精品乱码久久久久久蜜桃明_淑女乱伦第一页_精品九九久久_ⅴ天堂在线_成人性爱在线性爱电影_国产V日韩

Language:CHINESESENGLISH

Home > News > the construction quality steel welding acceptance of the relevant provisions
CONTACT US
  • Address:Pingtang Industrial District, Shipeng Village, Shishan Town, Nanhai District, Foshan City,
  • Phone:0757-81002668/0757-63323396
  • Fax:0757-81196682
  • Contact:Ben Zheng/13826981293 Kerry Lu/13751224830
  • E-mail:sbs@sbsprefabhouse.com
  • URL:http://m.applebabes.com

the construction quality steel welding acceptance of the relevant provisions

Time:[2016-1-27]  Hits:4848

Guangzhou Steel tells you: the construction quality steel welding acceptance of the relevant provisions

Guangzhou Steel tells you :( a) General provisions
Carbon structural steel should be cooled to ambient temperature in the weld, low-alloy structural steel welding should be completed after 24h, conduct inspection of welds.
(B) steel member Welding Engineering
1. Master Project
(1) Match rod, wire, flux, electroslag weld nozzles and other welding material and the base material shall comply with the design requirements and current national industry standard "construction steel welding procedure" JGJ81-2002; the electrodes, flux, medicine cored wire, melt in the mouth, etc. before use, should be required to its product specifications and welding process documents for baking and storage.
(2) welder must pass the examination and obtain a certificate. Certified welders welding must pass the examination in their projects and their scope of accreditation. Should fully examine all welders certificate and scope of accreditation, valid.
2. General Project
Weld feel should be achieved: a uniform shape, good shape, bead and bead between the bead and base metal transition smoother, welding slag and spatter basic clean.

Copyright:佛山市勝邦鋼結(jié)構(gòu)有限公司 Foshan Shengbang Steel Structure Co., Ltd. Record Number:粵ICP備13078463號