GB/T 32111-2015 Rubber clamp ring for cutting cold-rolling sheet

GB/T 1095-2003 Square and rectangular keyways GB/T 1804-2000 General tolerances for linear and angular dimensions without individual tolerance indications 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 230.1-2009 Metallic materials—Rockwell hardness test—Part 1:Test method(scales A、B、C、D、E、F、G、H、K、N、T) GB/T 230.1-2018 Metallic materials—Rockwell hardness test—Part 1:Test method GB/T 231.1-2002 Metallic materials—Brinell hardness test—Part 1:Test method GB/T 231.1-2009 Metallic materials—Brinell hardness test—Part 1:Test method GB/T 231.1-2018 Metallic materials—Brinell hardness test—Part 1:Test method GB/T 528-1998 Rubber,vulcanized or thermoplastic—Determination of tensile stress-strain properties GB/T 528-2009 Rubber,vulcanized or thermoplastic—Determination of tensile stress-strain properties GB/T 529-1999 Rubber,vulcanized or thermoplastic—Determination of tear strength (Trouser,angle and crescent test pieces) GB/T 529-2008 Rubber,vulcanized or thermoplastic—Determination of tear strength(Trouser,angle and crescent test pieces) GB/T 531.1-2008 Rubber,vulcanized or thermoplastic—Determination of indentation hardness—Part 1:Duromerer method(Shore hardness) GB/T 1689-1998 Rubber vulcanized—Determination of abrasion resistance(Akron machine) GB/T 1689-2014 Rubber vulcanized—Determination of abrasion resistance (Akron machine) GB/T 4340.1-1999 Metallic materials—Vickers hardness test—Part 1:Test method GB/T 4340.1-2009 Metallic materials—Vickers hardness test—Part 1:Test method GB/T 4340.1-2024 Metallic materials—Vickers hardness test—Part 1:Test method GB/T 15254-1994 Rubber, vulcanized—Determination of adhesion to metal—180°Peel test method GB/T 15254-2014 Rubber,vulcanized—Determination of adhesion to metal—180° peel test method HG/T 2413.2-1992 The determination of apparent hardness of rubber roll using Shore hardness tester