Project Description

Commitment to You

We are committed to integrate steel resources in china and serve the global steel market. We have 15+ years of experience in steel researching, production, managing and sales.

Our ability to purchase materials directly from leading mills will give you the competitive edge. Any Questions Just Call +86-731-89903933

Application:

The seamless steel gas cylinder are all made of high quality steel, and are supposed to be used for keeping permanent glass, such as oxygen, hydrogen, argon, krypton, nitrogen, and high-pressure liquefied gases, such as carbon dioxide and ethylene. They can be used in industry, agriculture, medical treatment, scientific research and analytical instruments.

Features:

  • High quality external and internal surface;
  • Uniform wall thickness
  • Light in weight
  • Simplified process procedures
  • High production efficiency
  • High yield and low cost

Standard：

GB 18248-2000 Seamless steel tubes for gas cylinder
JIS G3429 Seamless Steel Tubes for High Pressure Gas Cylinder

Chemical Composition(%):

Quality Standard Steel Grade C Si Mn P S Cr Ni Mo V Cu
GB18248 37Mn 0.34-0.40 0.10-0.30 1.35-1.65 0.030 max 0.030 max 0.30 max 0.30 max / / 0.20 max
GB18248 34Mn2V 0.30-0.37 0.17-0.37 1.40-1.75 0.030 max 0.030 max 0.30 max 0.30 max / 0.07-0.12 0.20 max
GB18248 30CrMo 0.26-0.34 0.17-0.37 0.40-0.70 0.030 max 0.030 max 0.80-1.10 0.30 max 0.15-0.25 / 0.20 max
GB18248 35CrMo 0.32-0.40 0.17-0.37 0.40-0.70 0.030 max 0.030 max 0.80-1.10 0.30 max 0.15-0.25 / 0.20 max
JIS G3429 STH11 0.50 max 0.10-0.35 1.80 max 0.035 max 0.035 max / / / / /
JIS G3429 STH12 0.30-0.41 0.10-0.35 1.35-1.70 0.035 max 0.035 max / / / / /
JIS G3429 STH21 0.25-0.35 0.15-0.35 0.40-0.90 0.030 max 0.030 max 0.80-1.20 0.25 max 0.15-0.30 / /
JIS G3429 STH22 0.33-0.38 0.15-0.35 0.40-0.90 0.030 max 0.030 max 0.80-1.20 0.25 max 0.15-0.30 / /

Experienced 15+ Years

Our ability to purchase materials directly from leading mills at the best possible price will give you the competitive edge. This coupled with a skilled workforce dedicated to embracing the demands of the markets.

We Can Supply Follows Products with High Quality:

  1. Cold Rolled Steel Tube
  2. Cold Drawn Steel Tube
  3. Hollow Bar
  4. Honed Tube
  5. Plated Tube
  6. Plated Bar
  7. Boiler Tube

All Products According Quality Standard Strictly:

  1. ASTM: ASTM A519, ASTM A513.
  2. JIS:JIS G3441, JIS G3445, JIS G3466, JIS G3459.
  3. DIN: DIN1626, DIN1629, DIN2391, DIN2393, DIN2448, DIN2458.
  4. EN: EN10305.
  5. BS: BS6323.

Wide Range of Pipes to Fit Your Industry:

  1. OD from 5mm to 820mm.
  2. Wall Thickness from 0.1 to 100mm.
  3. Length up to 50mtr per pc.

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