标准规范下载简介
YBT 4264-2020 英文版 桥梁缆索钢丝用盘条.pdf简介：
"YBT 4264-2020" 是中国国家标准，英文名为 "Steel Wire for Prestressed Concrete Cables Used in Bridges - Requirements and Test Methods"，这是一个关于桥梁用预应力混凝土缆索用钢丝的专业标准。该标准详细规定了钢丝的性能要求，包括化学成分、机械性能、表面质量、尺寸公差、表面处理等，并给出了相应的检测方法。这个标准适用于桥梁建设中使用的缆索钢丝，以确保其质量和安全。由于PDF文件是一种格式，我无法直接提供文件内容，但你可以通过标准编号在相关机构或网站上找到它的英文版全文。
YBT 4264-2020 英文版 桥梁缆索钢丝用盘条.pdf部分内容预览：
（Eng/ishTrans/ation)
ssuedbyNationa and People's Republic of China
《交通客运图形符号、标志及技术要求 JT/T 471-2002》abyNat People' China
YB/T42642020
YB/T42642020
irerodforbridgecablewir
is standardspecifies the designation,orderinginformation,dimension,shape,mass a ermissibletolerances,technicalrequirements,testmethods,inspectionrule,packaging rking and quality certificate of steel wirerod for bridge cablewire. is standard isapplicableto steel wire rodforbridgecablewire
2Normative references
le following referenceddocuments are indispensable for the applicationofthisdocument r dated references, onlythe edition cited applies. For undated references, the lates litionofthereferenceddocument(includinganyamendments)applies
YB/T42642020
3Designatior
4 Ordering Informatior
Contractsor orders for wire rodunder folTowing information: a) Standard number. b)Product name; c) Steel grade; d) Dimension; e)Mass(quantity); f) Delivery condition:
YB/T42642020
6.7 Microstructure
6.8 Grain size
6.9Surfacequality
or ears which maybe detrimental to its use.Indentation and Iocal bumps,pits, scratches, pockmarks are allowed,but the depth or height (calculated from actual dimension) must not exceed o.10mm. 6.9.2 Head and tail of wire rod with harmful defects shall be cut.The cross section of wire rod shall be free of shrink holes, layers or inclusions. 6.9.3The scale weight on wire rod surface shall not be greater than 7kg/t. The scale weight may not be inspected when its conformity is guaranteed by the supplier. 6.10Specialrequirements According to the purchaser' s requirement, the inspection of other items may be carried out upon agreement between the supplier and purchaser
According to the purchaser' s requirement, the inspection of other items may be carried out upon agreement between the supplier and purchaser
7 Test methods
Thetestitems,samplequantity,samplingmethodandIocationofeachbatchof wi ds shall be in accordance with Table 6.
tems, sample quantity,sampling method an
YB/T42642020
YB/T42642020
YB/T42642020
7.2 Scale inspection method
cales weight on samples(kg) X1000（k tal samples weight(kg)
Scales weight on samples(kg Total samples weight (kg)
8Inspectionrule
GB／T 37383-2019标准下载8.1Inspection and acceptance
Deliveryinspectionand acceptance of wire rod shall be carried out by the quality supervision department of the manufacturer. The purchaser reserves the right to carry out any inspection and acceptance for any test item specified in this standard.
8.2 Batch rule
re rods shall be inspected in batch.Eachbatch consists of wire rodwith the same grade he same heat number,the same dimension and the sameheat treatment (or hot rolling)
8.3 Retest and iudging rule
ifoneitemdoesnot conformtothecorrespondingprovisionsof thisstandard,the unqualified coil shall be removed. Double sampling and reexamination from the same batch shall be done. If they are still unqualified, they should be deemed as unqualified product. The remaining coils from the same batch shall be checked one by oneand the qualified ones can bedelivered.
YB/T42642020
DD 2019-01标准下载Packaging,marking and quality certificate of wire rod shallbeinaccordancewith GB/T 2101