YS/T 601-2012 Technical specification for process of on-line degassing and filtering for aluminium and aluminium alloy melts

YS/T 779 YS/T 782.1 GB/T 4842-1995 Pure argon GB/T 4842-2006 Argon GB/T 4842-2017 Argon GB/T 5071-1997 Refractory materials—Determination of true density GB/T 5071-2013 Refractory materials—Determination of true density GB/T 5138-1996 Liquid chlorine for industrial use GB/T 5138-2006 Liquid chlorine for industrial use GB/T 5138-2021 Liquid chlorine for industrial use GB/T 7999-2000 Standard method for direct reading spectromertric analysis of aluminum and its alloys GB/T 7999-2007 Optical emission spectrometric analysis method of aluminum and aluminum alloys GB/T 7999-2015 Optical emission spectrometric analysis method of aluminum and aluminum alloys GB/T 8979-1996 Pure nitrogen GB/T 8979-2008 Pure nitrogen and high purity nitrogen and ultra pure nitrogen GB 11984-1989 Safety regulation for chlorine GB 11984-2008 Safety regulation for chlorine GB 30078-2013 Safety specification for wrought aluminum and aluminum alloy ingots production GB 30079.1-2013 Safety specification for aluminium and aluminium alloys plates,sheets and foils production—Part 1:Cast-rolling YS/T 67-2005 Wrought aluminium and aluminium alloys columniform ingots YS/T 67-2012 Wrought aluminium and aluminium alloy columniform ingots YS/T 90-2002 Aluminium and aluminium-alloy roll-casting strip YS/T 90-2008 Aluminium and aluminium-alloy roll-casting strip YS/T 590-2006 Wrought aluminium and aluminium alloys rectangle ingots YS/T 590-2012 Wrought aluminium and aluminium alloy rectangle ingots YS/T 600-2009 Analysis method of hydrogen in liquid aluminium and aluminium alloys the method of the closed gas loop circulation YS/T 685-2009 Analyser of hydrogen in liquid aluminium and aluminium alloys JC 561.1-2005 Enhancing Glass Fiber Mesh Part 1: Resin-bonded Glass Fiber Mesh for Sanding Wheels JC/T 848.1-2010 YS/T 67-2018 Malleable aluminum and aluminum alloys round ingots YS 67-1993 LD30、LD31 aluminum alloy extrusion round ingot YS/T 590-2018 Shape aluminum and aluminum alloy flat casting ingot YS/T 90-1995 Aluminum and aluminum alloy casting rolling strip material JC 561.1-2006 Glass fiber reinforcing mesh Part1:Glass fiber reinforcing mesh for resinic grinding wheel GB 11984-2024 Technical specification for chlorine safety of chemical industrial enterprises GB/T 8979-2025 Pure nitrogen,high purity nitrogen and ultra pure nitrogen