GB/T 27704-2011 Steel nails

GB/T 230.1-2004 Metallic Rockwell hardness test—Part1:Test method(scales A、B、C、D、E、F、G、H、K、N、T) GB/T 342-1997 Dimension shape mass and tolerance for cold-drawn round square and hexagonal steel wires GB/T 2828.1-2003 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection JJF 1070-2005 GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 228-2002 Metallic materials—Tensile testing at ambient temperature 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 228.2-2015 Metallic materials—Tensile testing—Part 2:Method of test at elevated temperature GB/T 228.3-2019 Metallic materials—Tensile testing—Part 3:Method of test at low temperature GB/T 228.4-2019 Metallic materials—Tensile testing—Part 4:Method of test in liquid helium GB/T 701-1997 Hot-rolled low carbon steel wire rods GB/T 701-2008 Hot rolled low carbon steel wire rods GB/T 1216-1985 Micrometers GB/T 1216-2004 external micrometer GB/T 1216-2018 External micrometer GB/T 2973-1991 Zinc-coated steel wire—Test method for weight of zinc coating GB/T 2973-2004 Zinc coated steel wire test method for gravimetric determination of zinc coating GB/T 4232-1993 Stainless steel wires for cold heading and cold forging GB/T 4232-2009 Stainless steel wire for cold heading and cold forging GB/T 4232-2019 Stainless steel wire for cold heading and cold forging GB/T 4354-1994 Hot-rolled quality carbon steel wire rods GB/T 4354-2008 Hot rolled quality carbon steel wire rods GB/T 5267.1-2002 Fasteners—Electroplated coatings GB/T 5267.1-2023 Fasteners—Electroplate coating GB/T 6311-1986 Long range dial gauges GB/T 6311-2004 Long span dial gauges reading in 0.01mm GB/T 13912-2002 Metallic coatings—Hot dip galvanized coatings on fabricated iron and steel articles—Specifications and test methods GB/T 13912-2020 Metallic coatings—Hot dip galvanized coatings on fabricated iron and steel articles—Specifications and test methods GB/T 21389-2008 Vernier,dial and digital display calipers JJG 33-2002 Universal Bevel Protractors JB/T 8928-1999 Iron-based mechanical zinc plating YB/T 5294-2009 Low carbon steel wire for general use YB/T 5303-2010 High-quality carbon structural steel wire YB/T 5294-2006 Low carbon steel wire for general uses YB/T 5303-2006 Carbon constructional quality steel wires GB/T 4354-2025 Hot-rolled quality carbon steel wire rods GB/T 191-2025 Graphical symbols marking for handling and storage of packages YB/T 5294-2026 Low carbon steel wire for general purpose