最新亚洲人成无码网www电影,一边摸一边抽搐一进一出视频,夜夜躁狠狠躁日日躁视频,久久综合伊人77777麻豆

Language:CHINESESENGLISH

Home > News > Guangzhou Steel News: seamless steel pipe joints straight substitution can not do in order to
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://www.xyntsg.cn

Guangzhou Steel News: seamless steel pipe joints straight substitution can not do in order to

Time:[2015-8-26]  Hits:5086

Guangzhou Steel News: seamless steel pipe joints straight substitution can not do in order to

Structural steel in theory, should be the same, the difference is not great, as good as seamless Longitudinal rules pipe centroid might not in the center, so when used as a compression member with particular attention, defective weld pipe the probability is relatively high, an important part of not substitute seamless pipe, seamless pipe wall thickness is limited processing do not do very thin (seamless pipe thickness than the average thickness of the same diameter), in many cases seamless pipe material use efficiency is better, especially the large-diameter pipe.
The biggest difference is seamless and welded pipe used in gas or liquid pressure transmission (DN). Guangzhou Steel

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