精品国产av最大网站-精品国产sm最大网免费站-精品国产v无码大片在线观看-精品国产v无码大片在线看-精品国产不卡在线观看免费-精品国产成人av在线

||| 中文站 || German | Japanese | Russian | French | English |Testing Machine Forum ||
 
 
Current Location: Home » News » Technical Articles » 正文

BS EN 1979 - Plastics piping and ducting systems

Increase font size  Decrease font size Date:2013-03-13  Views:2310
Core Tip:1 ScopeThis standard specifies a method for determining the tensile strength of a seam in a spirally-formed thermoplasti

1 Scope

This standard specifies a method for determining the tensile strength of a seam in a spirally-formed thermoplastics pipe. It is applicable to all such thermoplastics pipes, regardless of their intended use.
2 Normative references
This standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter.
For dated references, subsequent amendments to, or revisions of, any of these publications apply to this standard only when incorporated in it by amendment or revision.
For undated references the latest edition of the publication referred to applies.
ISO 5893:1993, Rubber and plastics test equipment Tensile, flexural and compression types (constant rate of traverse) Ð Description
3 Principle
Test pieces of specified shape and dimensions are taken from a thermoplastics pipe with a spirally formed seam in the direction perpendicular to the seam, by cutting or machining.
The tensile forces necessary to rupture test pieces including the seam are determined using a tensile testing machine under specified conditions.
NOTE It is assumed that the following test parameter is set by the standard making reference to this standard:
a) rate of movement of the driven grip (see 4.1 and 8.2).
.
 
 
[ NewsSearch ]  [ ]  [ Tell a friend ]  [ Print this article ]  [ Close window ]

 

 
Recommended Graphic
Recommend News
Click Ranking
 
Contact QQ:1006931501*蘇ICP備11049648號-15蘇州亞諾天下儀器有限公司 版權所有
+86 18915433994
Buy pulling machine, preferred Coors brand! Contact Us | YANUO Group | Back Home【Service Hotline:+86 512 68559199】
主站蜘蛛池模板: 全免费午夜一级毛片 | 精品成人免费一区二区在线播放 | 久久久久久久久免费视频 | 久久综合日韩亚洲精品色 | 欧美亚洲精品一区二区 | 午夜dj高清免费观看视频 | 日本中文字幕在线视频 | 99精品久久久久中文字幕 | 两口子交换真实刺激高潮 | 久草在线视频在线观看 | a在线观看免费网站大全 | 秋霞影院午夜伦a片欧美 | 插b内射18免费视频 插逼毛片 | 亚洲av无码专区国产乱码dvd | 国产国产乱老熟女视频网站97 | 国产国语一级a毛片高清视频 | 日韩欧美一区二区三区四区 | 国产95在线 | 亚洲 | 免费看的黄色小视频 | 国产成人夜色影视视频 | 久久精品无码专区免费青青 | 日本一本一区二区免费播放 | 婷婷五月深深久久精品 | 日日操夜夜操视频 | 干干天天 | 91欧美精品综合在线观看 | 国产亚洲精品美女久久久久 | 69久久夜色精品国产69 | 天天躁日日躁狠狠躁中文字幕老牛 | 吊带袜天使免费观看 | 99热这里只有精品5 99热这里只有精品7 | 国产精品99爱免费视频 | 久久国产精品视频 | 亚洲欧美日韩精品一区 | 欧美在线观看www | 亚洲成a人片在线观看中文动漫 | 国产99久9在线视频 国产99久久精品一区二区 | 好看的中文字幕在线 | 精品乱码 | 欧美交换性一区二区三区 | 国产美女被爽到高潮免费A片小说 |