1. Material & Manufacturing

• Type: Cold-Drawn Precision Seamless Steel Tube

• Process: Cold drawing and heat treatment for improved accuracy and surface finish

• Surface Condition: Smooth, bright, or annealed surface

• Tolerance: Tight dimensional accuracy for precision applications

2. Key Features

✔ High Dimensional Accuracy – Ensures reliable fit in precision machinery
✔ Smooth Surface Finish – Suitable for hydraulic and pneumatic systems
✔ Enhanced Mechanical Properties – Superior strength compared to hot-finished tubes
✔ Versatile Applications – Compatible with machining and surface treatments

3. Applications

• Hydraulic & Pneumatic Systems

• Automotive Industry (shock absorbers, steering systems)

• Machinery Manufacturing

• Energy & Power Equipment

• Precision Engineering Components

4. Certifications

• ASTM, DIN, EN Standards (available upon request)

• 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.