GB/T 33825-2017: Translated English of Chinese Standard (GBT 33825-2017, GB/T33825-2017, GBT33825-2017): Steel/copper composite rod and wire for hermetically sealed relay
https://www.chinesestandard.net, 2017 M11 4 - 11 pages
This Standard specifies the requirements, test methods, inspection rules, marks, packaging, transport, storage, quality certificate and order (or contract) of steel/copper composite rod and wire for hermetically sealed relay.
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Mark packaging transport storage and quality certificate
Order or contract content
Annex A Informative Average linear expansion coefficient of the substrate and electrical properties of the composite
according to GB/T Air tightness allowable deviation analysis of iron Appearance quality batch of products carried out according chemical analysis chemical composition analysis comply with Table Composite diameter Composite quality composition with substrate content GB/T copper alloys GB/T copper and copper date of receipt diameter of composite Dimension hard status hermetically sealed relay Inspection item inspection results Inspection rules Marking example meet the requirements method agreed Methods for chemical Nonferrous Metals order or contract outer diameter packaging Piece by piece piece or roll product is measured Product surface product’s batch number product’s designation product’s name put forward quality certificate re-inspect referenced document required Clause requirements of GB/T retesting rod and wire samples at random Sampling method Standard status and specifications steel and alloy steel/copper composite rod substrate and composite substrate of 30CrMnSiA substrates of 4J29 supplier supplier’s name surface roughness Test method whole batch wire for hermetically YB/T YS/T Zhou