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GAS & METAL REACTION

  Special Characteristic

Stainless steel

steel

brass

copper

Aluminum

Gas

Do not use at pressures exceeding 15 psigRRRNR

Acetylene

RRRRR

Air

Causes stress cracking of cooper and cooper alloysRXNNR

Ammonia

RRRRR

Argon

RRRRR

Butane

RRRRR

Butanes

RRRRR

Carbon Dioxide

RRRRR

Carbon Monoxide

RRR

Ethane

RRRRR

Ethylene

Exposure of liquid on skin or clothing can cause dermatitisRRNN

Ethylene oxide

Strong oxidant can ignite combustible materials and metalsRXRR

Fluorine

RRRRR

Helium

RRRRR

Hydrogen

Steel or stainless steel serviceable in dry liquid or gas serviceXXNXN

Hydrogen Bromide

Steel or stainless steel serviceable in dry liquid or gas serviceXXXN

Hydrogen Chloride

Exposure can attack skin, bones and fingernailsRRRRX

Hydrogen Fluoride

Extremely toxic, older deadens the olfactory nervesRXNNN

Hydrogen Selenide

Odor deadens olfactory nerves, can cause paralysis                RXNNN

Hydrogen Sulfide

RRRRR

Isobutane

RRRRR

Krypton

RRRRR

Methane

RRXNR

Methyl Acetyiene

RRRRR

Neon

Readily reacts with oxygen to form Nitrogen DioxideRXNNR

Nitric oxide

RRRRR

Nitrogen

RRRRR

Nitrous oxide

Strong oxidant, ignites combustible matter spontaneouslyRRRRR

Oxygen

RRRRR

Propane

RRRRR

Propylene

PyrophoricRRRRR

Silane

RRRRR

Sulfur Dioxide

RRRRR

Sulfur Hexafluoride

RRRRR

Xenon

R: RECOMMENDED


N: NON-RECOMMENDED


X: UNSATISFACTORY FOR USE WITH THE INTENDED