GB/T 33954-2017: Translated English of Chinese Standard. (GBT 33954-2017, GB/T33954-2017, GBT33954-2017): Hot-rolled wire rod for quenched and tempered spring steel wires
https://www.chinesestandard.net, 2 iun. 2018 - 11 pagini
This Standard specifies the order content, size, shape, weight and allowable deviation, technical requirements, test methods, inspection rules, packaging, marks, and quality certificate of hot-rolled wire rod for quenched and tempered spring steel wires. This Standard is applicable to the hot-rolled wire rod for quenched and tempered spring steel wires.
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absorption method according to level allowable deviation analysis of iron batch Any wire batch Different wire batch GB/T chemical analysis chemical composition Coil by coil delivered according depth Designation and chemical Determination of Manganese Different wire rod extraction photometric method fatigue grade ferrite Flame Atomic Absorption full decarburization layer furnace Gravimetric Method harmful defects hot-rolled wire rod inert gas Inspection item less than 1500 Manganese Content mass fraction mechanical properties meet the requirements Method GB/T methods and sites Methods for chemical Microstructure Negotiated nitrogen content Nominal diameter Non-metallic inclusions Order content Oxygen and nitrogen purchaser quenched and tempered referenced document requirements of Table rod for quenched rod shall meet sampling methods sampling quantities silicon content GB/T smelting Spectrometric Method spring steel wires STANDARD diagrams steel and alloy steel GB/T 226 supplier tempered spring steel test methods Titration Total arc length total decarburization layer weight and allowable wire rod GB/T