GB/T 6723-2017: Translated English of Chinese Standard. (GBT 6723-2017, GB/T6723-2017, GBT6723-2017): Cold forming open section steel for general structure
https://www.chinesestandard.net, 2019. 8. 3. - 30페이지
This Standard specifies the order content, classification, code, section size and allowable deviation, length and allowable deviation, shape, technical requirements, weight and marking examples of cold forming open section steel for general structure. This Standard is applicable to cold forming open section steel (hereinafter referred to as section steel) which is produced on continuous roll cold bending unit by cold-rolled or hot-rolled steel sheets.
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accordance with GB/T allowable deviation Area bonding rate area of clad batch of products Bonding area bottom echo wave chemical composition clad plate Class clad steel plate Classification of clad comply with provisions composite material surface composite material thickness contrast block Contrast test block corresponding substrate standards defect echo wave design strength detecting from composite deviation of clad Dimensions and allowable Edition explosive clad plate flaw detection sensitivity full scale inspection results material and substrate megapascals modified requirements NB/T non-bonding area Nondestructive testing order sheet Penetration testing performance of clad plate is delivered plate shall comply Pressure Vessels provisions of Table quality certificate re-inspection results shall comply rolled clad plate sample scale of screen Shear strength sheet or contract square centimeters cm2 substrate surface substrate thickness surface quality TA1G TA2G tensile performance tensile strength Testing results thickness of composite Titanium clad steel ultrasonic testing wafer wave or defect