Superconducting Magnets and Shielding Gas in Welding Processes Gas Helium

• CAS No.: 7440-59-7
• Formula: He
• EINECS: 231-168-5
• Constituent: Industrial Pure Air
• Grade Standard: Industrial Grade
• Chemical Property: Combustion-Supporting Gas
• Model NO.: He
• Product Name: Helium Gas
• Filling Pressure: 150 Bar-200 Bar
• Appearance: Colorless Gas
• Purity: 99.9%-99.999%
• Formular: He
• Transport Package: He Cylinder
• Specification: 40L, 47L, 50L
• Trademark: CMC
• Origin: China
• HS Code: 28042900

Product Description

Product Description

Helium gas is a colorless, odorless, and tasteless noble gas. It is the second lightest element in the periodic table, after hydrogen, and has the atomic number 2. Helium is primarily known for its low boiling and melting points, making it one of the few substances that remains in a gaseous state even at extremely low temperatures.

Here are some key facts about helium gas:

1. Abundance: Helium is the second most abundant element in the universe, but it is relatively rare on Earth. It is created through nuclear fusion in stars, particularly during the life cycle of larger stars and supernovae. On Earth, helium is mostly obtained as a byproduct during the extraction of natural gas.

2. Applications: Helium has several important applications due to its unique properties. One of the most well-known uses is in filling balloons and airships, as it is lighter than air and provides buoyancy. Helium is also used in cryogenics to cool superconducting magnets, such as those found in MRI machines. It is used as a protective gas in welding, as a coolant in certain industrial processes, and as a carrier gas in gas chromatography.

3. Liquid Helium: Helium can exist in two forms: helium gas and liquid helium. At extremely low temperatures close to absolute zero (-273.15°C or -459.67°F), helium undergoes a phase transition and becomes a liquid with unique properties. Liquid helium is used in various scientific research applications, particularly in low-temperature physics and in cooling superconducting materials.

4. Helium Shortage: Despite its abundance in the universe, helium is becoming increasingly scarce on Earth. The limited supply is primarily due to its tendency to escape the Earth's atmosphere over time. Helium is a non-renewable resource, and its extraction and production are costly processes. To conserve helium, its use is being regulated in various industries, and efforts are underway to develop more efficient helium recovery and recycling methods.

5. Helium Safety: While helium is generally considered safe to handle, it is important to note that inhaling helium directly from a high-pressure source can be extremely dangerous. Inhaling helium displaces oxygen from the lungs and can lead to asphyxiation, which has resulted in fatalities. It is crucial to use helium in a controlled and safe manner, following proper guidelines and regulations.

Basic Info.

DOT Class	2.2	Un Number	1963
Cylinder Standard	DOT/ISO/GB	Cylinder Pressure	15MPa/20MPa
Valve	Qf-2/Cga580	Melting Point	-272.2 ºC
Appearance	Colorless, Odorless	Boiling Point	-272.2 ºC
Density	0.1786 Kg/M3	Molecular Weight	4.0026
Transport Package	40L, 47L, 50L	Specification	99.999%, 99.9999%
Trademark	CMC	Origin	Suzhou,China
HS Code	28042900	Production Capacity	20, 000 Tons/Yea

 

Specification:
 

Specification	Company Standard
He	≥ 99.999%
N2	≤ 2.0 ppm
O2+AR	≤ 1.0 ppm
H2	≤ 1.0 ppm
CO	≤ 0.5 ppm
CO2	≤ 0.5 ppm
Ne	≤ 1.0 ppm
CH4	≤ 0.5 ppm
Moisture	≤ 0.5 ppm

 

Shanghai Kemike Chemical Co., Ltd is staffed by trained personnel, combine many years experience in Gas industry .We supply cylinder gas, electronic gas, etc ., and the gas holder, panel, valves and fittings and other equipment, parts and engineering services to our customers in China and worldwide; The products are involved in various industrial fields, such as semiconductor chip, solar cell, LED, TFT-LCD, optical fiber, glass, laser, medicine , etc., Our mission is to partner with our global customers to provide support, solutions and quality products that are innovative,reliable, and safe.

Our products mainly include: H2, O2, N2, Ar, CO2, propane, acetylene, helium, laser mixed gas,  SiH4, Sih2cl2, SiHCL3, SiCL4, NH3, CF4, NF3, SF6, HCL, N2O, doping mixed gas (TMB, PH3, B2H6) and other electronic gases.

Our Advantages

1. Fast delivery;
2. Stable raw material source;
3. On-line analysis system for quality control in every step;
4. High requirement and meticulous process for handling cylinder before filling;
Our carbon monoxide have been exported to many countries like India, Pakistan, Malaysia, Indonesia, Australia, Singapore, Maldives and Ecuador.
Since the establishment of our company, it has received universal praise by virtue of good reputation, high quality and perfect after service.

FAQ

1. Q: Are you a factory or a trading company?
  A: We are a manufacture and trade integration company. Expert R&D department and sophisticated supply chain is our key of success.

2. Q: Are bulk orders and multiple product orders available?
  A: Yes, we have a strong production supply system to make sure all of your requirements satisfied. One station product solution is our aim of service.

3. Q: What if I never imported this product before, how do I do it?
  A: Don't worry. We have import and export experience with over 50 countries over the world, our fulfillment department will guide you every step of the process.
4.  What is the MOQ?
Different products have different min order. It's depends on the kind the gas and the cylinder specifications. Please feel free to contact with me directly for your requirement.

5. Q: Why choice us Kemike Gas ?
  A: Stable Supply, Professional Solution, Reasonable Price, and Safety Business with our Taiyu.

6. Q: 3. How does your factory do the quality control?
  A: We have standard quality control procedure.
a> In production, we have quality analysis system to make sure each step is qualified.
b> Before filling, we do the pre-treatment for the cylinders to clean well.
c> After filling, we will do 100% inspection analyze before delivery.

7. Q:Is it possible to ship by air?
  A:Gases are classified into class 2.1, class 2.2 and class 2.3 which are inflammable gas, non-flammable gas and poisonous gas. According to regulation, inflammable gas and poisonous gas cannot be shipped by air, and only non-flammable gas can be transported by air. If the amount purchased is large, sea transportation is better.

8. Q:Can I customize the package?
  A:Yes of course! The most regular package is cylinder. Its size, color, valve, design and other requirements can all be met.  

9. Q: What is the package & storage details?
  A:Seamless steel cylinder with different valves, or as to your requirement.
Stored in shady, cool, dry, ventilated warehouse, and keep away from sunlight and ramming.

10. More question......
Feel free to contact us, you will get immediately reply