helium

helium, Total:15 items.

In the international standard classification, helium involves: Products of the chemical industry, SHIPBUILDING AND MARINE STRUCTURES, Nuclear energy engineering.

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, helium

• GB/T 4844-2011 Pure helium,high pure helium and ultra pure helium
• GB 4844.2-1995 Pure helium
• GB/T 28123-2011 Industrial helium
• GB/T 16943-2009 Gas for electronic industry.Helium
• GB/T 16943-1997 Gases for electronic industry--Helium
• GB/T 11813-2008 Helium leak testing of nuclear fuel rod for PWR

National Metrological Technical Specifications of the People's Republic of China, helium

• JJF 1833-2020 Calibration Specification for Vacuum Helium Leaks

Military Standard of the People's Republic of China-General Armament Department, helium

• GJB 5917-2007 Requirements of technical security for helium-oxygen diving

Professional Standard - Traffic, helium

• JT/T 208-2008 Helium-Oxygen diving equipment model 6071 HY
• JT/T 208-1995 Helium-Oxygen diving equipment model 6071 HY

Professional Standard - Aerospace, helium

• QJ 3123-2000 Vacuum leaks detection method by helium mass spectrometer
• QJ 3089-1999 Helium Mass Spectrometry Positive Pressure Leak Detection Method
• QJ 3212-2005 Test methods for leaks using the helium mass spectrometer leak detector in the inside-out testing mode

Group Standards of the People's Republic of China, helium

• T/CCGA 70003-2024 Helium

GM Europe, helium

• GME B 040 0455-2012 Helium (English/German)

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