QC/T 686-2024 The combined crankshaft and connecting rod assembly for motorcycle and moped engines

QC/T 686-2002

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 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 699-1999 Quality carbon structural steels GB/T 699-2015 Quality carbon structure steels GB/T 1151-1993 Internal combustion engines—Main and connecting rod bearings—Specification GB/T 1151-2012 Internal combustion engines—Main and connecting rod bearings—Specifications GB/T 1151-2023 Internal combustion engines—Main and connecting rod bearings—Specifications GB/T 1184-1996 Geometrical tolerancing—Geometrical tolerance for features without individual tolerance indications GB/T 1800.2-1998 Limits and fits—Bases—Part 2:Basic rules of tolerances, deviations and fits GB/T 1800.2-2009 Geometrical Product Specifications (GPS)—Limits and fits—Part 2:Tables of standard tolerance grades and limit deviations for holes and shafts GB/T 1800.2-2020 Geometrical product specifications(GPS)—ISO code system for tolerances on linear sizes—Part 2:Tables of standard tolerance classes and limit deviations for holes and shafts GB/T 1958-2004 Geometrical product Specifications(GPS)—Geometrical tolerance—Verification prescription GB/T 1958-2017 Geometrical Product Specifications(GPS)—Geometrical tolerance—Verification 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 GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 3077-1999 Alloy structure steels GB/T 3077-2015 Alloy structure steels GB/T 9450-2005 Steels—Determination and verification of the depth of carburized and hardened cases GB/T 13320-2007 Metellographic grading atlas and assessing method for steel die forgings GB/T 20056-2006 Rolling bearings—Radial needle roller and cage assemblies—Dimensions and tolerances GB/T 20056-2015 Rolling bearings—Radial needle roller and cage assemblies—Boundary dimensions and tolerances JB/T 6721.2-2007 Internal Combustion Engine, Linkage, Part 2: Magnetic Particle Inspection JB/T 8118.2-2011 Internal combustion engine piston pin Part 2: Microstructure inspection JB/T 8118.3-2011 Internal combustion engine piston pin Part 3: Magnetic particle testing JB/T 8118.3-1999 Internal combustion engine piston pin magnetic powder flaw detection technical specification JB/T 9204-2008 JB/T 10659-2015 Non-destructive testing of forged steel materials for ultrasonic testing of connecting rods GB/T 9450-2025 Determination of the case hardening depth for steel