GB/T 33240-2016 Zinc-aluminum alloy-epoxy duplex coated steel bars for the reinforcement of concrete

GB/T 470-1997 Zinc ingots GB/T 470-2008 Zinc ingots GB/T 1499.1-2008 Steel for the reinforcement of concrete—Part 1:Hot rolled plain bars GB/T 1499.1-2017 Steel for the reinforcement of concrete—Part 1:Hot rolled plain bars GB 1499.1-2024 Steel for the reinforcement of concrete—Part 1:Hot rolled plain bars GB/T 1499.2-2007 Steel for the reinforcement of concrete—Part 2:Hot rolled ribbed bars GB/T 1499.2-2018 Steel for the reinforcement of concrete—Part 2:Hot rolled ribbed bars GB 1499.2-2024 Steel for the reinforcement of concrete—Part 2:Hot rolled ribbed bars GB/T 2101-1989 General requirements of acceptance, packaging, marking and certification for section steel GB/T 2101-2008 General requirement of acceptance,packaging,marking,and certification for section steel GB/T 2101-2017 General requirement of acceptance,packaging,marking and certification for section steel GB/T 4956-2003 Non-magnetic coatings on magnetic substrates—Measurement of coating thickness-Magnetic method GB/T 25826-2010 Epoxy-coated steel for the reinforcement of concrete GB/T 25826-2022 Epoxy-coated steel for the reinforcement of concrete GB/T 32968-2016 Zinc-aluminum alloy coated steel bars for the reinforcement of concrete YB/T 081-1996 Rule for rounding off of numberical values and judgement of testing values for technical standards of metallurgy YS/T 310-1995 Zinc alloy for hot dip galvanizing YS/T 310-2008 Zinc alloy ingot for hot dip galvanizing YB/T 081-2013 Metallurgical technology standards for numerical rounding and determination of testing values YS/T 310-2021 Galvanized Zinc Alloy Ingots for Hot Dipping GB/T 50152-2012 Standard for test method of concrete structures GB/T 4956-2025 Non-magnetic coatings on magnetic substrates—Measurement of coating thickness—Magnetic method