<strike id="fbr1f"><i id="fbr1f"></i></strike>
<th id="fbr1f"><dl id="fbr1f"><ruby id="fbr1f"></ruby></dl></th>
<strike id="fbr1f"><dl id="fbr1f"></dl></strike>
<strike id="fbr1f"></strike>
<span id="fbr1f"><noframes id="fbr1f"><strike id="fbr1f"></strike><strike id="fbr1f"></strike>
<strike id="fbr1f"><dl id="fbr1f"></dl></strike>
<th id="fbr1f"><noframes id="fbr1f"><ruby id="fbr1f"></ruby>
<span id="fbr1f"></span>
<span id="fbr1f"><video id="fbr1f"></video></span>
<span id="fbr1f"><video id="fbr1f"></video></span>

精密鋼管-20#-45#-q345b-20CR-40CR-價格-廠家-山東精密鋼管廠

聯系電話 13863589858

精密鋼管

發布時間:2021/11/30 11:53:48 人氣:0 來源:山東聊城精密鋼管廠

精密鋼管

  精密鋼管的化學成分有碳C、硅Si、錳Mn、硫S、磷P、鉻Cr。

化學成份

牌號

化學成分%

C

Si

Mn

S

P

Cr

10#

0.07-0.13

0.17-0.37

0.35-0.65

≤0.035

≤0.035


20#

0.17-0.23

0.17-0.37

0.35-0.65

≤0.035

≤0.035


35#

0.32-0.39

0.17-0.37

0.35-0.65

≤0.035

≤0.035


45#

0.42-0.50

0.17-0.37

0.50-0.80

≤0.035

≤0.035


40Cr

0.37-0.44

0.17-0.37

0.50-0.80

≤0.035

≤0.035

0.08-1.10

25Mn

0.22-0.29

0.17-0.37

0.70-1.00

≤0.035

≤0.035

≤0.25

37Mn5

0.30-0.39

0.15-0.30

1.20-1.50

≤0.015

≤0.020



分享:
韩国三级HD中文字幕,国产日产美产精品精品,18禁无遮挡啪啪无码网站,古装激情偷乱人伦视频