GB/T 28300-2012 Translated English of Chinese Standard. (GBT 28300-2012, GB/T28300-2012, GBT28300-2012): Surface Quality Classes for Hot-Rolled Bars and Rods Technical Delivery Conditions [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]https://www.chinesestandard.net, 2017 M11 17 - 18 páginas This Standard specifies the terms and definitions, code, requirements, test, modification, etc. for the surface quality of hot-rolled bars and rods. This Standard is applicable to the surface quality classes of hot-rolled bars and rods with nominal dimension of 5mm ~ 150mm. The hot-rolled bars and rods with nominal dimension greater than 150mm can also be applicable through the negotiation between the supplier and the purchaser. |
Términos y frases comunes
Acceptance Quality Limit additionally specified test appears Appendix bar with cross-section bars and rods bump China class is Class-C Class of Steel Classes for Hot-Rolled Clause Common Hot-Rolled Bars confirm the maximum confirmed through negotiated defective materials delivery lots confirmed depth and height depth or height Differences and Causes discontinuities depth discontinuities with depth disqualified product distributed locally document fish scale shapes GB/T height of discontinuities inquiring and ordering Inspect the whole inspection lot less than 8mm Magnetic flux material processing period maximum allowable number metal thin-block negotiated when inquiring Nominal Dimension dN Non-destructive method number of defects opposite side distance Rods Technical Delivery rods with nominal rolling direction rolling scars Sampling statistical process control steel surface straight-line shape strip shapes supplier Surface Quality Classes surfaces of bars Table B.1 Technical Delivery Conditions technical differences Terms and Definitions Test method treatment method whole delivery lots whole length wire rod YB/T