Thick Wall Capillary Tube - Applications:Instrumentation
Application scenarios: Widely used in the production of key components such as pressure gauges, thermometers, flow meters, sensor housings, meeting the needs of various industrial measurement industries.
Key Requirements: Products must have high-precision and highly stable mechanical properties, and the material must have extremely low permeability to ensure no interference in media transmission and accurate measurements.
Advantages of Xinliang: Backed by industry-leading precision manufacturing processes and strict controls throughout all stages of production, we ensure consistent product quality, creating a strong foundation for instrument accuracy and long-term stability.
Parameters:
| Outer Diameter OD (mm) | Wall thickness WT (mm) | Length L (m) |
| 1.0–2.0 | 0.4–0.7 | ≤ 1500 |
| 2.1–3.0 | 0.25–1.1 | ≤ 1000 |
| 3.1–4.5 | 1.15–1.3 | ≤ 500 |
Chemical composition of stainless steel
| Steel grade | C | Si | Mn | P | S | Cr | Ni | Mo | Ti |
| SUS304 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 18.0-20.0 | 8.0-10.5 | - | - |
| SUS304L | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 18.0-20.0 | 8.0-12.00 | - | - - |
| 316L | ≤0.03 | ≤0.075 | ≤2.00 | ≤0.045 | ≤0.030 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 | - |
| 321 | ≤0.08 | ≤0.75 | ≤2.00 | ≤0.045 | ≤0.030 | 17.0-19.0 | 9.0-12.0 | - | ≥5×C |
Product range
We can produce various types of stainless steel tubes with outer diameter from 0.4mm to 16.0mm and wall thickness from 0.05mm to 1.2mm. We have a significant advantage in the production of small diameter tubes and thin-walled tubes, which allows us to fully meet the stringent requirements of the precision manufacturing industry.
| Outer diameter OD (mm) | Wall thickness WT (mm) | 0.05-0.1 | 0.1-0.12 | 0.12-0.15 | 0.15-0.18 | 0.18-0.2 | 0.2-0.25 | 0.25-0.6 | 0.6-0.8 | 0.8-1.2 |
| 0.4 | V | V | V | |||||||
| 0.5 / 0.6 | V | V | V | V | ||||||
| 0.7 | V | V | V | V | ||||||
| 0.8 / 0.8-1.0 | V | V |
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