国产福利在线永久视频

 
 

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    ·國標美標英制羅紋
    ·雙頭螺栓
    ·六角內六角螺栓
    ·螺母
    ·煙機拉緊螺桿螺母
    ·非標異型件
    總機:0510-88550118?
    傳真:0510-88551809?
    發賣部:0510-88551228?
    地點:中國江蘇省無錫市新區
    (梅村)錫泰路225號
    http://sfcfsj.com?
    E-mail:xibiao@sfcfsj.com
     

       產物展現
      關頭字: 商品分類:
       
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        商品稱號:低溫高壓雙頭螺柱

        国产福利在线永久视频

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          1. 商品具體先容:

            履行規范
            Standard
            資料種別
            Material Type & Grade
            公稱尺寸
            Normal Size (in.)
            長度
            Length
             羅紋
            Screw Thread
            機器機能 Mechanical Requirement
            σb
            (MPa)
            σ0.2
            (MPa)
            δ4
            (%)
            ψ
            (%)
            硬度
            Hardness
            ASME/ANSI B 16.5
            ASME/ANSI B 18.2.1
            ASME/ANSI B 1.1
            A 193
            B7
            ≤2.5
            按條約
            劃定
            According to order
            粗牙,8牙系列
            羅紋精度2A級
            UNC, 8UN
            Accuracy of thread Grade 2A
            ≥860
            ≥725
            16
            50
            ≤HB321
            B7M
            ≤2.5
            ≥690
            ≥550
            18
            ≤HB235
            B16
            ≤2.5
            ≥860
            ≥725
            ≤HB321
            B8/B8M/B8C/B8T (CL. 1)
            一切直徑
            All diameters
            ≥515
            ≥205
            30
            50
            ≤HB223
            B8/B8C/B8T
            (CL. 2)
            ≤0.75
            ≥860
            ≥690
            12
            35
            ≤HB321
            >0.75~1
            ≥795
            ≥550
            15
            >1~1.25
            ≥725
            ≥450
            20
            >1.25~1.5
            ≥690
            ≥345
            28
            45
            B8M (CL. 2)
            ≤0.75
            ≥760
            ≥655
            15
            45
            >0.75~1
            ≥690
            ≥550
            20
            >1~1.25
            ≥655
            ≥450
            25
            >1.25~1.5
            ≥620
            ≥345
            30
            A 453
            660 B
            一切直徑
            All diameters
            ≥895
            ≥585
            15
            18
            HB248~341
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