日本在高清AV不卡

<dl id="3jzdj"></dl>
<dl id="3jzdj"></dl>
<dl id="3jzdj"><delect id="3jzdj"><font id="3jzdj"></font></delect></dl>
<dl id="3jzdj"><delect id="3jzdj"><font id="3jzdj"></font></delect></dl>
<video id="3jzdj"><dl id="3jzdj"><delect id="3jzdj"></delect></dl></video>
<dl id="3jzdj"><dl id="3jzdj"><output id="3jzdj"></output></dl></dl>
<dl id="3jzdj"><output id="3jzdj"></output></dl>
<dl id="3jzdj"><dl id="3jzdj"><delect id="3jzdj"></delect></dl></dl><video id="3jzdj"><dl id="3jzdj"></dl></video>
<video id="3jzdj"><output id="3jzdj"></output></video>
<dl id="3jzdj"></dl>
<video id="3jzdj"><output id="3jzdj"></output></video>
<noframes id="3jzdj"><output id="3jzdj"><delect id="3jzdj"></delect></output>
<video id="3jzdj"></video>
<dl id="3jzdj"></dl>
<dl id="3jzdj"></dl>
<output id="3jzdj"></output>
<dl id="3jzdj"></dl><dl id="3jzdj"></dl><video id="3jzdj"><output id="3jzdj"><font id="3jzdj"></font></output></video><video id="3jzdj"><output id="3jzdj"><font id="3jzdj"></font></output></video>
cp_code[1]:C1_Share_welcome null
歡迎訪問東莞市凱旺金屬制品有限公司的網站!

東莞市凱旺金屬制品有限公司

主營:模具鋼加工、dc53模具鋼加工、東莞熱作模具鋼、東莞模具鋼、718模具鋼、東莞碳素模具鋼
13560848196
您的位置:首頁  -> 行業資訊

D2冷作模具鋼簡介

      D2冷作模具鋼是比較廣泛使用的高碳高鉻冷作模具鋼,有較高的耐磨性、淬透性、淬硬性、微變形、高熱穩定性和高抗彎強度;D2可是用來制造一些截面大的、形狀復雜的、需要耐磨性高的冷作模具剛,適合制造高精度、長壽命的冷作模具,比如:形狀復雜的沖孔凹模、冷擠壓模、滾絲輪、搓絲輪、冷剪切刀和精密量具等。
d2冷作模具鋼
D2冷作模具鋼熱處理:
淬火,820±15℃預熱,1000±6℃(鹽浴)或1010±6℃(爐控氣氛)加熱,保溫10~20min,空冷,200±6℃回火。

D2冷作模具鋼成份:碳 C :1.40~1.6;硅 Si:≤0.60;錳 Mn:≤0.60;硫 S :≤0.030;磷 P :≤0.030;鉻 Cr:11.50~13.00;鎳 Ni:允許殘余含量≤0.25;銅 Cu:允許殘余含量≤0.30;釩 V :≤1.00;鉬 Mo:0.70~1.20
東莞市凱旺金屬制品有限公司 版權所有 ? Copyright 2019 【BMAP】【GMAP】 【網站管理】 技術支持:第七城網絡 訪問量: 備案號:粵ICP備19033339號-1 [百度統計]
東莞塑膠模具鋼、碳素模具鋼廠家、東莞模具鋼、dc53模具鋼加工、東莞熱作模具鋼加工、模具鋼廠家、718模具鋼加工廠家、8407模具鋼加工
日本在高清AV不卡
<dl id="3jzdj"></dl>
<dl id="3jzdj"></dl>
<dl id="3jzdj"><delect id="3jzdj"><font id="3jzdj"></font></delect></dl>
<dl id="3jzdj"><delect id="3jzdj"><font id="3jzdj"></font></delect></dl>
<video id="3jzdj"><dl id="3jzdj"><delect id="3jzdj"></delect></dl></video>
<dl id="3jzdj"><dl id="3jzdj"><output id="3jzdj"></output></dl></dl>
<dl id="3jzdj"><output id="3jzdj"></output></dl>
<dl id="3jzdj"><dl id="3jzdj"><delect id="3jzdj"></delect></dl></dl><video id="3jzdj"><dl id="3jzdj"></dl></video>
<video id="3jzdj"><output id="3jzdj"></output></video>
<dl id="3jzdj"></dl>
<video id="3jzdj"><output id="3jzdj"></output></video>
<noframes id="3jzdj"><output id="3jzdj"><delect id="3jzdj"></delect></output>
<video id="3jzdj"></video>
<dl id="3jzdj"></dl>
<dl id="3jzdj"></dl>
<output id="3jzdj"></output>
<dl id="3jzdj"></dl><dl id="3jzdj"></dl><video id="3jzdj"><output id="3jzdj"><font id="3jzdj"></font></output></video><video id="3jzdj"><output id="3jzdj"><font id="3jzdj"></font></output></video>