Standard Number: YB/T 4003-2016(YB/T4003-2016)
Chinese:连铸钢板坯低倍组织缺陷评级图
English:Rating chart for low magnification organization defects in continuous cast steel slabs
Effective Date:2017-04-01
Standard Applicability:This standard specifies the continuous casting steel slab low times the organization of defects in acid corrosion and sulfur stamping inspection method with the specimen and defects in the morphological characteristics, causes and rating principles. This standard applies to the continuous casting process production of carbon steel, alloy steel and other slabs of low-fold organization defects rating. The qualified level of the various types of defects in this standard and the impermissible presence of defects should be specified in the corresponding technical conditions and the agreement between the two sides.
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