標(biāo)準(zhǔn)編號:	GB/T 798-2021
中文名稱:	活節(jié)螺栓
英文名稱:	Eye bolts
中標(biāo)分類:	J13    緊固件
行業(yè)分類:	GB    國家標(biāo)準(zhǔn)
ICS分類:	21.060.10 21.060.10    螺栓、螺釘、螺柱 21.060.10
發(fā)布機(jī)構(gòu):	國家市場監(jiān)督管理總局 國家標(biāo)準(zhǔn)化管理委員會
發(fā)布日期:	2021-12-31
實(shí)施日期:	2022-7-1
標(biāo)準(zhǔn)狀態(tài):	valid
替代舊標(biāo)準(zhǔn):	GB/T 798-1988 活節(jié)螺栓
翻譯語言:	英文
文件格式:	PDF
中文字符數(shù):	8000 字
翻譯價格(元):	530.0
交付時間:	付款后 1~3 個工作日

1 Scope This document specifies the type dimensions, technical conditions and markings for live knuckle bolts. This document applies to bolts with a thread size of M5 to M39 and product grades A, B and C. 2 Normative references The contents of the following documents constitute the essential provisions of this document through the normative references in the text. Among them, note the date of the reference document, only the date of the corresponding version applies to this document; do not note the date of the reference document, its latest version (including all the revision of the list) applies to this document. GB/T 3 Common thread finish, shoulder distance, receding groove and chamfer GB/T 90.1 Acceptance inspection of fasteners GB/T 90.2 Marking and packaging of fasteners GB/T 193 General thread diameter and pitch series GB/T 1237 Fastener marking methods GB/T 1800.1 Product geometrical specifications (GPS) Linear dimensional tolerances ISO code system Part 1: Tolerances, deviations and Basis of fit GB/T 3098.1 Fastener mechanical properties bolts, screws and studs GB/T 3098.6 Fasteners mechanical properties of stainless steel Eumenes bolts, screws and studs GB/T 3103.1 Fastener tolerances bolts screws studs and nuts GB/T 5267.1 Fastener plating GB/T 5267.2 Fasteners non-electrolytic zinc flake coating GB/T 5267.3 Fasteners hot dip galvanized layer GB/T 5276 Fasteners bolts, screws . Studs and nuts size code and marking GB/T 5779.1 Fasteners surface defects bolts, screws and studs general requirements GB/T 9145 General thread medium precision limit size of the preferred series GB/T 9146 Limit dimensions of the preferred series of common threads with rough accuracy GB/T 12362 Tolerances and machining allowances for steel die forgings GB/T 16938 General technical conditions for fasteners bolts, screws, studs and nuts 3 Terminology and definitions There are no terms and definitions to be defined in this document. 4 Type and dimensions The type and dimensions of the bolts are shown in Figure 1, Table 1 and Table 2. Dimensional designations and labelling shall conform to GB/T 5276. 5 Directional and positional tolerances Tolerances for perpendicularity and symmetry are in accordance with Figure 3. 6 Technical conditions and referenced standards Technical conditions and referenced standards are shown in Table 3. 7 Marking 7.1 Marking methods Marking methods according to GB/T 1237. . 7.2 Marking examples Example 1; thread specification M10. nominal length l = 70 mm, performance class 4.6, the surface is not treated with the markings of the C-class live joint bolts: Bolt GB/T 798 M10X 70 Example 2: Thread size M10 nominal length l= 70 mm, performance class 4.6, markings for a fully threaded live bolt of class C without surface treatment: Bolt GB/T 798 MI0X70 Example 3: Thread size M30. nominal length l= 200mm. pin hole diameter 27, performance class 4.6, markings for grade B untreated live bolts: Bolt GB/T 798 M30X200X27 B Bibliography

1 Scope 2 Normative references 3 Terminology and definitions 4 Type and dimensions Dimensional designations and labelling shall conform to GB/T 5276. 5 Directional and positional tolerances 6 Technical conditions and referenced standards 7 Marking Bibliography

1范圍 本文件規(guī)定了活節(jié)奰栓的型式尺寸、技術(shù)條件和標(biāo)記。 本文件適用于螺紋規(guī)格為M5~M39,產(chǎn)品等級為A級、B級和C級的活節(jié)螺栓。 2規(guī)范性引用文件 下列文件中的內(nèi)容通過文中的規(guī)范性引用而構(gòu)成本文件必不可少的條款。其中,注日期的引用文件,僅該日期對應(yīng)的版本適用于本文件;不注日期的引用文件,其最新版本(包括所有的修改單)適用于本文件。 GB/T3普通螺紋收尾、肩距、退刀槽和倒角 GB/T 90.1緊固件驗(yàn)收檢查 GB/T 90.2緊固件標(biāo)志與包裝 GB/T 193普通螺紋直徑與螺距系列 GB/T 1237緊固件標(biāo)記方法 GB/T 1800.1產(chǎn)品幾何技術(shù)規(guī)范(GPS)線性尺寸公差I(lǐng)SO代號體系第1部分:公差、偏差和 配合的基礎(chǔ) GB/T 3098.1緊固件機(jī)械性能螺栓、螺釘和螺柱 GB/T 3098.6緊固件機(jī)械性能不銹鋼蜾栓、螺釘和螺柱 GB/T 3103.1緊固件公差螺栓螺釘螺柱和螺母 GB/T 5267.1緊固件電鍍層 GB/T 5267.2緊固件非電解鋅片涂層 GB/T 5267.3緊固件熱浸鍍鋅層 GB/T 5276緊固件螺栓、螺釘.螺柱及螺母尺寸代號和標(biāo)注 GB/T 5779.1緊固件表面缺陷螺栓,螺釘和螺柱一般要求 GB/T 9145普通螺紋中等精度優(yōu)選系列的極限尺寸 GB/T 9146普通螺紋粗糙精度優(yōu)選系列的極限尺寸 GB/T 12362鋼質(zhì)模鍛件公差及機(jī)械加工余量 GB/T 16938緊固件螺栓、螺釘、螺柱和螺母通用技術(shù)條件 3術(shù)語和定義 本文件沒有需要界定的術(shù)語和定義. 4型式尺寸 螺栓的型式與尺寸見圖1、表1和表2。 尺寸代號和標(biāo)注應(yīng)符合GB/T 5276. 5方向和位置公差 垂直度公差和對稱度公差按圖3。 6技術(shù)條件和引用標(biāo)準(zhǔn) 技術(shù)條件和引用標(biāo)準(zhǔn)見表3。 7標(biāo)記 7.1 標(biāo)記方法 標(biāo)記方法按GB/T 1237規(guī)定。. 7.2標(biāo)記示例 示例1;螺紋規(guī)格為M10.公稱長度l=70 mm、性能等級為4.6級、表面不經(jīng)處理的C級活節(jié)螺栓的標(biāo)記: 螺栓GB/T 798 M10X 70 示例2:螺紋規(guī)格為M10公稱長度l= 70mm、性能等級為4.6 級、表面不經(jīng)處理的C級全螺紋活節(jié)螺栓的標(biāo)記: 螺栓GB/T 798 MI0X70 示例3：螺紋規(guī)格為M30。公稱長度l= 200mm.銷孔直徑為27，性能等級為4.6級,表而不經(jīng)處理的B級活節(jié)螺栓的標(biāo)記: 螺栓GB/T 798 M30X200X27 B 參考文獻(xiàn)