1. Material & Standards
-
Type: Cold-Rolled Ultra-Thin Seamless Tube
-
Standards: ASTM A269, ASTM A213, EN 10305-3, DIN 2391 (customizable)
-
Material Grades: Stainless Steel (304, 316, 316L), Alloy Steel
-
Wall Thickness: Less than 1mm
-
Surface Finish: Smooth, bright, polished
2. Key Features
✔ Ultra-Thin Wall – Wall thickness <1mm for high-precision applications
✔ High Dimensional Accuracy – Tight tolerances suitable for precision instruments
✔ Smooth Surface Finish – Ideal for medical, laboratory, and instrumentation use
✔ Corrosion Resistance – Stainless steel variants provide excellent resistance to chemical and environmental corrosion
3. Applications
-
Precision Instruments
-
Medical Equipment & Laboratory Tubing
-
Optical Instruments
-
Aerospace Components
-
Micro-Mechanical Systems
4. Certifications
-
ASTM / EN Compliance
-
Mill Test Certificate (EN 10204 3.1)
-
Third-Party Inspection (SGS, BV, TUV)
Frequently Asked Questions (FAQ)
1. Are you a manufacturer or trading company?
We are a manufacturer with our own factory located in Hebei, China.
2. What materials do you offer?
-
Stainless Steel: 304, 304L, 316, 316L, 321, etc.
-
Carbon Steel: ASTM A105, ASTM A350 LF2, Q235, Q345, etc.
-
Alloy Steel: ASTM A182 F11, F22, F5, etc.
3. Which standards do your products comply with?
ASME B16.5, ANSI, ASTM, DIN, JIS, EN, GB — with third-party inspection available.
4. Do you support OEM/ODM customization?
Yes, we provide custom machining, coating, marking, and packaging based on your drawings.
5. What is your minimum order quantity (MOQ)?
MOQ is typically 1 piece for standard items; customized parts may vary.
6. Do you provide free samples?
Yes, free samples for standard sizes are available; buyers cover shipping cost.
7. What is your delivery time?
-
In-stock: 3–5 working days
-
Bulk/custom orders: 10–25 working days
8. How do you ensure product quality?
We perform full inspection: raw material verification, dimensional checks, pressure/leak tests, and surface finish inspection. Third-party testing is available upon request.


