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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                    1. 商品稱號:合金鋼不銹鋼螺柱螺母

                      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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