Zn alloy coated steel sheet and strip
Qingdao baosen Steel CO LTDResources Enterprise standard query
Continuous galvanizing / Zn alloy coated steel sheet and strip
(Q / BQB 420-2009 instead of Q / BQB 420-2003, BZJ 421-2005, BZJ 422-2007)
This standard specifies the continuous galvanizing / Zn alloy coated steel sheet and strip (hereinafter referred to as the steel sheet and strip) terms and definitions, classifications and code, size, shape, weight, technical requirements, inspection and testing, packaging, marking and inspection files.
This standard applies to Qingdao baosen Steel Co lTD manufactures a thickness of 0.30mm ~ 3.0mm steel sheet and strip, mainly used for the production of internal and external automotive, construction, household appliances and other industries covering parts and structures.