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Hydrogen in Argon

The mixture gas of argon and hydrogen is as a protective atmosphere for the heat treatment of certain metals, particularly those which are susceptible to nitriding when treated in a nitrogen-based atmosphere. This includes stainless steels and many different specialized and therefore small-scale applications.

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Hydrogen in Argon
Hydrogen in Argon
Hydrogen in Argon
Hydrogen in Argon


Chemical NameHydrogenArgon
CAS No.1333-74-07440-37-1
UN No.1956
Label elements
  • 未标题-1

    Signal word: Warning


Physical and chemical properties
Physical state: Compressed gas.
Appearance: Colorless.
Odor: Odorless.


Hazard Statements

Contains gas under pressure; may explode if heated
May displace oxygen and cause rapid suffocation


Use and store only outdoors or in a well ventilated place
Use a back flow preventive device in piping
Use only with equipment rated for cylinder pressure
Close valve after each use and when empty

Handing and storage

Store in cool, dry, well-ventilated area of non-combustible construction away from heavily trafficked areas and emergency exits.
Keep at temperatures below 52°C / 125°F.
Cylinders shouldbe stored upright with valve protection cap in place and firmly secured to prevent falling.
Full and empty cylinders should be segregrated.
Use a "first in-first out" inventory system to prevent full cylinders from being stored for excessive periods of time.
Stored containers should be periodically checked for general condition and leakage.

Frequently Asked Question
  • Q: What’s the specification can you supply?

    Gas: H2/Ar    Cylinder: 40L    Valve: G5/8

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