For gas cylinders and mining props
High-Pressure Cylinder & Hydraulic Prop Tubes
Seamless tubes for high-pressure gas cylinders, hydraulic props and mechanical parts. Precise wall-thickness control and strict pressure-testing ensure safe, consistent performance.
Standards
- GB/T 18248
- EN 10305-1
- DIN 1629
- ASTM A519
Steel Grades
27SiMn30CrMnSi35CrMoSt52E355
Size Range
OD 32 – 340 mm · WT 3 – 40 mm · Length up to 12 m
Features
- Suitable for high-pressure gas cylinders
- Precise wall-thickness tolerance
- Good strength and fatigue resistance
- Pressure tested for safety-critical use
- Widely used in mining support systems
Applications
- High-pressure gas cylinders
- Hydraulic roof supports in mining
- Hydraulic cylinders and rods
- High-pressure mechanical parts
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