HB 7750-2004 Vacuum heat treatment of titanium alloy parts

GB 209-1993 Sodium hydroxide for industrial use GB/T 209-2006 Sodium hydroxide for industrial use GB/T 209-2018 Sodium hydroxide for industrial use GB 210-1992 Sodium carbonate for industrial use GB/T 210-2022 Sodium carbonate for industrial use GB/T 210.1-2004 Specification and determination methods of sodium carbonate for industrial use—Part 1:Sodium carbonate for industrial use GB/T 210.2-2004 Specification and determintion methods of sodium carbonate for industrial use—Part 2:specification and determintion methods GB/T 10066.1-2004 Test methods for electro heat installations—Part 1:General GB/T 10066.1-2019 Test methods for electroheating and electromagnetic processing installations—Part 1:General GB/T 10624-1995 High purity argon GB/T 394.1-1994 Ethanol for industrial use GB/T 394.1-2008 Ethanol for industrial use GB/T 4209-1996 Sodium silicate for industrial use GB/T 4209-2008 Sodium silicate for industrial use GB/T 4209-2022 Sodium silicate for industrial use GB/T 4698.15-1996 Sponge titanium, titanium and titanium alloys—Determination of hydrogen content—Vacuum heating gas chromatographic method GB/T 4698.15-2011 Methods for chemical analysis of titanium sponge,titanium and titanium alloys—Determination of hydrogen content GB/T 6026-1998 Acetone for industrial use GB/T 6026-2013 Acetone for industrial use GB/T 9983-2004 Industrial sodium tripolyphosphate GJB 3763A-2004 HB 5354-1994 Quality Control of Heat Treatment Processes HB 5415-1988 The oil used for heat treatment quenching HB 5425-1989 The method for determining the effective heating zone of an aerospace component heat treatment furnace HB/Z 344 GB/T 394.1-2026 Non-edible fermented ethanol for industrial use