China Wholesale 40L Industrial Seamless Steel 6M3 Helium Gas Cylinder
Helium gas purity we provide:
Helium (He) |
purity | Impurity Content(ppm) | Carry Out Standard |
99.99% |
O2 +Ar≤3,N2 ≤60,CO≤5,CO2 ≤5,CH4 ≤10,H2 O≤30 |
GB/T 7445-1995 |
|
99.999% | O2 +Ar≤1,N2 ≤5,CO≤1,CO2 ≤1,CH4 ≤1,H2 O≤3 | ||
99.9999% | O2 +Ar≤0.2,N2 ≤0.4,CO≤0.1,CO2 ≤0.1,CH4 ≤0.2,H2 O≤1 |
Helium gas basic information:
Helium (He) is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas. |
|
Model |
helium gas (helium, compressed) |
Molecular Formula |
He |
Flammable Limits |
Nonflammable |
UN No. |
UN1046 |
CAS No. |
7440-59-7 |
Transportation Label |
Nonflammable Gas |
Hazardous class for transport |
2.2 |
Usage:
Helium is used as a shielding gas in arc welding processes on materials
For leak detection
We have been in the helium tank business since 2000 (17years) and we have a lot of valuable customers over the world.
We also have other high-quality popular products.Please kindly check.
Oxygen gas | Nitrogen Gas | CO2 | Propane |
Argon Gas | Helium Gas | Acetylene | N2O |
80%Ar+20%CO2 | SF6 | CF4 | CH4 |
This is the gas parameter we supply.
We are factory and export cylinders for ourselves. It is a company integrating industry and trade.
With in 30 days after 30% TTdeposite,balance before before delivery.
Angie (ms.)