麻豆人妻无码性色AV专区,亚洲AV极品无码专区在线观看,18禁美女黄网站色大片在线,秋霞无码久久久精品,宅男噜噜噜66网站在线观看,真人无码作爱免费视频网站,中国亚州女人69内射少妇,丝袜美腿亚洲一区二区,少妇高潮无套内谢麻豆传,国产精品无码AV片在线观看播

<center id="ojlzu"></center>
<rt id="ojlzu"></rt>
    <rt id="ojlzu"></rt>
  1. <rt id="ojlzu"></rt>
      1. Wuxi Gotele Metal Products Co., Ltd : CN EN
        Tool Steel Round/Flat Bar for Mould

        ShapeRound bar, flat bar, sheet


        Grade: H3, H13, H11, H21

        產(chǎn)品詳情技術(shù)參數(shù)包裝其他

        Wuxi Gotele Metal Corporation supply a wide range of quality tool steel, 

        such as H3, H13, H11, H21 etc, which are highly acclaimed by our international customers 

        due to its durability and similar other attributes

        Manufacturing of Tool Steel Bar:

        - Cold rolling, slitting and edge processing

        - Heat treatment: annealing, tempering, hardening

        - Cold finishing and polishing

        Heat Treatment:

        Normalizing:

        Normalizing temperature: 860-900oC.

        Soft Annealing:

        Heat to 760-800oC, cool slowly in furnace.

        This will produce a maximum Brinell hardness of 217.

        Stress Relieving:

        Stress relieving to remove machining stresses should be carried out

        by heating to approx. 650oC, holding for 1-2 hours at heat,

        followed by air cooling. This operation is performed to reduce distortion during heat treatment.

        Hardening:

        Harden from a temperature of 830-890oC followed by oil quenching.

        Hardness after quenching is approx. 64 HRC.

        Tempering:

        Tempering temperature: 150-180oC.

        Specification of Tool Steel:

        Packaging of Tool Steel Bar:

        Wuxi Gotele Metalare packed and labeled according to the regulations and customer's requests. Great care is taken to avoid any damage which might be caused during storage or transportation. In addition, clear labels are tagged on the outside of the packages for easy identification of the product I. D. and quality information.

        Feature of Tool Steel Bar:
        - High fatigue resistance
        - Good plasticity in cold condition
        - High quality with competitive price
        - Good combination property
        ?

        首頁電話產(chǎn)品導(dǎo)航
        CN EN
        亚洲精品二区三区在线观看| 国产欧美亚洲精品一区| 亚洲av日韩精品一区| 国产成人综合亚洲欧美日韩| 99国产精品美女久久| 丰满人妻无套中出中文字幕| 一级黄片国产精品久久| 国产99精品自拍视频| 国产精品一区二区韩国av| 精品熟妇av一区二区三区四区| 午夜精品视频一区二区三区在线看| 18禁免费无码无遮挡网站| 国产熟女久久精品视频| 国产成人亚洲精品成人区 | 无码午夜成人1000部免费视频| 精品三级国产免费观看| 人妻隔壁勾引亚洲中文| 超碰人人爽人人看人人乐| 成人在线观看av天堂| 在线不卡中文字幕福利| 亚洲A∨精品无码一区二区| 极品一区二区三区av| 国产精品一区二区三级| 亚洲综合色婷婷七月丁香| 亚洲熟女乱一区二区三区| 蜜桃草视频免费在线观看| 岛国大片av在线观看| 加勒比东京热综合久久| 青草视频在线观看综合| 日韩精品视频免费福利在线观看 | 国产av一区二区凹凸精品| 亚洲精品成人在线91| 国产主播无套内射一区| 色惰日本视频网站WWW| 成人av在线直播观看| 一区二区三区四区日韩精彩| 久久69熟女伦国产高清| av中文字幕国产精品| 国产免费av一级在线观看不卡| 人妻自拍偷拍在线播放| 日本老熟妇一区二区三区|