Seamless Steel Tubes for Gas Cylinder
The chemical composition of seamless steel pipes for gas cylinders is strictly controlled to ensure that their performance meets relevant standards. Generally speaking, its main raw material is carbon steel, including C, Si, Mn, P, S and other elements. Among them, carbon is below 0.30%, silicon is between 0.1-0.35%, manganese is between 0.40-1.20%, and the contents of phosphorus and sulfur should be controlled below 0.025% respectively.
Steel Pipe For Gas Cylinder
1. Material: Most use high-quality steel such as 30CrMnSiA, 37Mn, 34Mn2V.
2. Size: The diameter is generally less than 219mm, and the wall thickness is generally less than 20mm.
3. Usage: Used to manufacture CNG (compressed natural gas) bottles, high-pressure oxygen bottles, high-pressure hydrogen bottles, etc.
4. Features: high strength, good safety, high pressure resistance, corrosion resistance, light weight.
Seamless Steel Tube For Gas Cylinder
1. Material: Most use 30CrMo, 35CrMo, 34CrMo4 and other alloy structural steel or stainless steel.
2. Size: The diameter is generally above 89mm, and the wall thickness is generally above 8mm.
3. Usage: Used to manufacture gas cylinders, industrial high-pressure gas cylinders, etc. in the aviation and aerospace fields.
4. Features: high strength, good safety, high temperature resistance, corrosion resistance and wear resistance.
The chemical composition of Gas Cylinder Steel Pipe and the heat treatment and other processes ensure its corrosion resistance in various environments, and can effectively prevent the corrosion of the steel pipe by the medium inside the gas cylinder. Gas Cylinder Seamless Steel Pipe has good toughness and plasticity due to its special manufacturing process, and can adapt to various deformations and stresses during transportation and use of gas cylinders.
Implement specifications GB 18248, GB28884 and JIS 3429. Products are used for the manufacture of firefighting gas cylinder, industrial gas cylinder and vehicle-borne gas cylinder.
| Usage | Specification No. | Steel Grade |
| Seamless Steel Pipe used for Gas Cylinder | GB /T18248 | 37Mn, 34CrMo4, 35CrMo, 30CrMnSiA, 30CrMo |
| Fire-fighting gas cylinders, industrial gas cylinders, vehicle gas cylinders | JIS G3429 | 37Mn, 34Mn2V, 30CrMo, 35CrMo, STH11, STH12, STH21, STH22, or anything else |
| Seamless Steel Pipe used for Gas Cylinder with Large Volume | GB/T28884 | 30CrMoE(4130X), 32CrMoE(4142 |
Seamless Steel Pipes For Gas Cylinders


Products can be ordered in accordance with the client's requirements
30CrMoE seamless tubes are used for manufacturing seamless steel tubes for gas cylinders with a capacity of 300L~3 000L
GNEE Company has long-term and close trade relations with well-known domestic steel companies such as Shandong Iron and Steel, Tangshan Iron and Steel, Handan Iron and Steel, Jinxi Iron and Steel. We have a team of more than 200 people in Anyang City, with annual sales of nearly one billion and approximately millions of tons of steel.

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