GB/T 34106-2017 Hot-dip zinc or zinc-aluminium coated S-shaped steel wire wraps for bridge cables

GB/T 470-2008 Zinc ingots GB/T 1804-2000 General tolerances for linear and angular dimensions without individual tolerance indications GB/T 2103-2008 General requirements for acceptance,packing,marking and quality certification of steel wire GB/T 228.1-2010 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.1-2021 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 238-2002 Metallic materials—Wire—Reverse bend test GB/T 238-2013 Metallic materials—Wire—Reverse bend test GB/T 239.1-2012 Metallic materials—Wire—Part 1:Simple torsion test GB/T 239.1-2023 Metallic materials—Wire—Part 1:Simple torsion test GB/T 1839-2003 Test method for gravimetric determination of the mass per unit area of galvanized coatings on steel products GB/T 1839-2008 Test method for gravimetric determination of the mass per unit area of galvanized coatings on steel products GB 2976-1988 Metallic materials—Wire—Wrapping test GB/T 2976-2004 Metallic materials—Wire—Wrapping test GB/T 2976-2020 Metallic materials—Wire—Wrapping test 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 JB/T 6830-2013 projector JB/T 6830-1993 projector GB/T 1839-2025 Test method for gravimetric determination of the mass per unit area of galvanized coatings on steel products