GB/T 33156-2016 Translated English of Chinese Standard. (GBT 33156-2016, GB/T33156-2016, GBT33156-2016): Precision Welded Tubes for Gas Springhttps://www.chinesestandard.net, 12 juil. 2019 - 15 pages This Standard specifies the classification, code, size, shape, weight and allowable deviation, technical requirement, inspection and test method, inspection rule, packaging, marking and quality certificate of precision welded tubes for gas spring. This Standard applies to cold-drawn or cold-rolled precision welded tubes for gas spring (including seat air pressure bars and lifters) in machinery manufacturing, vehicle manufacturing, and furniture products. |
Table des matières
3 | |
Scope | 4 |
Classification code | 6 |
Ordering content | 7 |
Technical requirements | 10 |
Inspection and test methods | 14 |
Test rules | 15 |
Expressions et termes fréquents
adopt a controlled analysis of iron Carbon chemical composition cold rolling cold-drawn or cold-rolled contract controlled atmosphere furnace copper content GB/T delivered according Delivery determination of manganese deviation of wall diameters shall comply drawing or cold eddy current testing extraction photometric method final cold drawing fixed length Flaring ratio flaring test flattening test full-length bending gas spring gravimetric method heat treatment inner and outer inspection items Low-alloy steel manganese content GB/T Manufacturing method Metal materials method after combustion Methods for chemical millimeters minimum allowable deviation negotiated nominal outer diameter nominal wall thickness normal length outer surfaces phosphomolybdate blue spectrophotometric pipe shall comply precision welded tubes provisions of GB/T requirements of Table sampling method sodium specified in Table spectrophotometric method GB/T Standard steel and alloy Steel and iron steel grade sulfur content supplier AND indicated surface roughness Tensile mechanical properties test GB/T test method theoretical weight tubes for gas Wall thickness Allowable