久久人妻少妇嫩草AV蜜桃,精品久久人人妻人人做人人玩,精品久久久久久久无码久中文字幕,久久久久国色AV免费观看性色

Technical Articles

技術(shù)文章

當(dāng)前位置:首頁(yè)  >  技術(shù)文章  >  鋼絞線的國(guó)家標(biāo)準(zhǔn)

鋼絞線的國(guó)家標(biāo)準(zhǔn)

更新時(shí)間:2010-03-18      點(diǎn)擊次數(shù):5518

GB/T5224-2003

                                     J產(chǎn)戶一  ~、

                                              d \

                                      ,‘‘,一 一于戶

                            圖3 1x7結(jié)構(gòu)鋼絞線外形示意圖

                   表3 1x7結(jié)構(gòu)鋼絞線的尺寸及允許偏差、每米參考質(zhì)里

                                         鋼紋線參考                        中心鋼絲直徑d.
  鋼絞線        公稱直徑          直徑允許                         每米鋼紋線
                                           截面積                         加大范圍/%
   結(jié)構(gòu)        D/mm         偏差/mm                      參考質(zhì)量/(S/m)
                                           S/mm,                        不小于

                       l
              9.50                          54.8           430
                       一    十0.30
                                                                   I

                            -0.15
              11.10                         74.2           582
                                                                   一

              12.70                         98.7           775
   1又7

                                            140           1101

              1155..7200 士00..4200          150           1178            2.5

              17.80                         191           1Soo

              12.70                         112            890

 {1丫7)C       15.20         -+00..4200      165           1295

              18.00                         223           1750
 

 


 

010-67644879
歡迎您的咨詢
我們將竭盡全力為您用心服務(wù)
280536219
掃碼加微信
版權(quán)所有 © 2024 北京普桑達(dá)儀器科技有限公司  備案號(hào):京ICP備09074583號(hào)-5  總流量:477409

TEL:13911237038

掃碼加微信