GB/T 3203-2016: Translated English of Chinese Standard (GBT 3203-2016, GB/T3203-2016, GBT3203-2016): Carburizing steels for bearing
https://www.chinesestandard.net, Jun 8, 2017 - Technology & Engineering - 19 pages
This Standard specifies the classifications and codes, order contents, size, shape, technical requirements, test methods, inspection rules, packaging, marks and quality certificate of carburizing steels for bearing.
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Size shape weight
Packaging marks and quality certificate
Common terms and phrases
80 The depth acid dipping added classifications Advanced high-quality steel Baosteel Bright round steel carburizing chamfering Chemical composition mass Clause Cold drawn round composition mass fraction contract curvature and non-roundness Decarburization layer Delivery hardness delivery status depth calculated designation and chemical Different piece drawn round steel Edition electroslag remelted steel end hardenability Forged round steel furnace number G20CrNiMo heat treatment Hot rolled round Hot-rolled impact absorption energy inspection items length of capillary Low magnification Luoyang modified nominal diameter nominal size tolerance non-metallic inclusions oxygen piece by piece piece of steel piece Whole piece provisions of Table purchaser qualification level requirements of Table requirements see Table rolled round steel round steel surface Sampling quantity series Fine series series Rough series smelting method Special Steel Standard steel GB/T steel see Table steel shall comply step diameter supplier Table 15 test method Titanium nitride Tower capillary crack ultrasonic testing Xining Yanshan University