<object id="m8ssq"></object>
  • <pre id="m8ssq"><tt id="m8ssq"><pre id="m8ssq"></pre></tt></pre>
        Navigation

        News Center

        Current location:Home > News Center
        Scope of ferroboron
        date:2020-04-08 09:17 hits:

        This standard stimulates the ferroboron delivery technical requirements, test methods, acceptance regulations, packaging, storage and transportation, mark and quality certificate.

        This standard applies to the steelmaking, casting and ferroboron as boron element additions for amorphous, ultracrystalline mother alloy, NdFeB alloy and others.

        Normative reference

        The terms of the following documents shall be the provisions of this system through the reference. For any dated reference documents, the modification (not including errata content) or revised edition shall not apply to this system, however, it is encouraged that all parties of the agreement may discuss whether the latest version of these documents can be used. For any undated reference documents, its latest version shall apply to this system.

        GB/T4010-1994 Ferroalloy sampling and preparation of samples for chemical analysis

        GB/T13247-91Ferroalloys-Sampling and testing methods for determination of grain size(GB/T13247-1991,neqISO4551:1987)

        GB/T3653-83 Methods for chemical analysis of ferroboron

        GB/T3650-1995 the general rules for inspection, packing, storing, transportation, marking and certification of ferroalloy

        PRC National Standard

        Basic information

            Standard No.: GB/T5682-1995

            Standard Title in English:Ferroboron

          Issuance Date:1995-10-10

          Execute Date:1996-3-1

          First Issuance Date:1985-12-4

          Standard State:currently in effect

          Review Affirmance Date:2010-7-28

          Plan No.:

          Replace Standard:GB5682-1987

          Replaced Standard:

          Revocatory Date:

          Adopted International Standard No:JISG318:1986

          Application Degree:NEQ

          Adopted International Standard:other

          ICS:77.100

          CCS:H42

          Standard Sort:product

          Number of Pages:

          Price(¥):

          Governor:China Iron and Steel Association

          Technical Committees:National Steel Standardization Technical Committee

          Drafting Committee:Liaoyang Ferroalloy Works


        If you have any questions, please contact us!

        Contact Us

        Copyright ? 2020 Dandong Lifeng Silicon Magnesium Co., Ltd ICP:遼ICP12345678 XML map Technical support

        Addres:Lagushao Village, Chang Dian Town, Kuandian County, Dandong City, Liaoning Province, China

        思思re久久精品66在热线热_亚洲无码动漫专区_日本一区二区精品偷拍_欧美亚洲另类久久综合 九九午夜福利无码 2020国产精品级品色在线
        <object id="m8ssq"></object>
      1. <pre id="m8ssq"><tt id="m8ssq"><pre id="m8ssq"></pre></tt></pre>
            无码人妻精品一区二区在线视| Av天堂一区二区三区| 一区二区精品视频| 自拍偷在线精品自拍偷无码专区| 一本久中文视频播放| 久久国产精品久久| 最新2021中文字幕无码| 亚洲综合日韩一区| 无码毛片一二区视频免费播放| 欧美亚洲综合久久偷偷人人| 九九99久久精品在免费线97| 无码制服丝袜人妻一在线视频| 国产一区二区视频在线观看| 一级做a爱片久久毛片| 日韩中文字幕人妻一区二区| 99热这里只有精品9| 日本欧美一区二区三区| 一级做性色a爰片久久毛片免费| 成人黄色毛片| 亚洲成Av人片乱码色午夜浪潮|