Products Description
Advantages of Capillary Stainless Steel Pipe
- Excellent Corrosion Resistance: Capillary stainless steel pipes are made from stainless steel grades such as 304 and 316, providing strong resistance to chemicals, moisture, and high-purity fluids. This ensures a long service life even in harsh and corrosive environments.
- Smooth Internal Surface: The polished, seamless interior minimizes fluid friction and prevents buildup, helping to maintain hygienic conditions essential for pharmaceutical, food, and medical applications.
- High Strength-to-Weight Ratio: Despite their small diameter and thin walls, capillary pipes exhibit excellent mechanical strength, enabling them to withstand high pressures and mechanical stresses.
- Wide Temperature Resistance: Capillary stainless steel pipes perform reliably across a broad temperature range, making them suitable for applications involving both cryogenic fluids and high-temperature process lines.
Applications of Capillary Stainless Steel Pipe
- Instrumentation and Control Systems: Pressure gauges, flow meters, and temperature sensors
- Medical and Pharmaceutical Equipment: Sterile fluid handling in medical devices, surgical instruments, drug delivery systems, and pharmaceutical manufacturing
- Hydraulic and Pneumatic Lines: Aerospace, automotive, and industrial hydraulic systems
- Refrigeration and HVAC Systems: Refrigerant lines and cooling circuits
- Chemical and Petrochemical Industries: Sample lines, analytical instruments, and small-bore piping systems handling corrosive chemicals under high pressure or corrosive conditions
manufacturing process
Chemical Composition
| Grade | C (max) | Mn (max) | Si (max) | P (max) | S (max) | Cr (%) | Ni (%) | Mo (%) |
| 304 | 0.08 | 2.00 | 0.75 | 0.045 | 0.03 | 18-20 | 8-10 | - |
| 316 | 0.08 | 2.00 | 0.75 | 0.045 | 0.03 | 16-18 | 10-14 | 2-3 |
Mechanical Properties
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HRB) |
| 304 | 515-720 | ≥205 | ≥40 | ≤95 |
| 316 | 515-720 | ≥205 | ≥40 | ≤95 |
Possible Alternative Grades
In addition to the commonly used AISI 316L and AISI 304, alternative grades that can be considered include AISI 321, AISI 310, and duplex stainless steels such as AISI 2205. These grades offer varying levels of corrosion resistance, strength, and temperature resistance to suit specific application requirements.
Products Show
Products Package
Hot Tags: capillary stainless steel pipe, China, suppliers, manufacturers, factory, customized, wholesale, price, OEM, mill, producer, for sale, stainless capillary tube,
