Annealed Bright Surface Finish Precision Stainless Steel Tubing OD/ID ±0.02mm
Price:
Negotiable (Request a Quote)
MOQ:
100kg
Delivery Time:
15-25days
Brand:
Baosteel，TISCO
Product Description
Precision stainless steel tubing is manufactured from high-quality raw materials using advanced cold rolling, cold drawing, and welded & drawn processes. It features high dimensional accuracy, excellent surface finish, uniform wall thickness, and stable mechanical properties. It is widely used in industries with strict requirements for tolerances and cleanliness.
Key Features:
- OD / ID tolerance up to ±0.02mm
- Surface roughness Ra ≤ 0.4μm
- No oxide layer, no burrs, no cracks
- Available as straight lengths, coils, or cut-to-length
Product Specifications
| Parameter | Details |
|---|---|
| Applicable Standards | ASTM A269 / A213, EN 10216-5, JIS G3459, GB/T 14976 |
| Common Grades | 304 / 304L, 316 / 316L, 321, 310S, 904L |
| OD Range | 3mm – 50mm (customizable) |
| Wall Thickness Range | 0.5mm – 5mm |
| Length | Up to 6m fixed length, or continuous coil |
| Process | Cold drawn / cold rolled / bright annealing / pickling or bright solution treatment |
| Delivery Condition | Hard, half-hard, annealed |
Chemical Composition (Typical, %)
| Grade | C | Si | Mn | P | S | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|---|
| 304 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 18.0-20.0 | 8.0-11.0 | – |
| 304L | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 18.0-20.0 | 8.0-12.0 | – |
| 316 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
| 316L | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
Third-party test reports (spectral analysis, C/S analysis, etc.) available upon request.
Mechanical Properties
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HRB / HV) |
|---|---|---|---|---|
| 304 | ≥520 | ≥205 | ≥35 | ≤90 HRB |
| 304L | ≥480 | ≥175 | ≥35 | ≤90 HRB |
| 316 | ≥520 | ≥205 | ≥35 | ≤90 HRB |
| 316L | ≥480 | ≥175 | ≥35 | ≤90 HRB |
Flattening test, flaring test, eddy current test, and hydrostatic test available.
Applications
- Medical devices (syringe needles, endoscope components)
- Instrumentation and hydraulic control lines
- Aerospace fuel / hydraulic systems
- Semiconductor and high-purity gas delivery
- Automotive sensors and fuel injection systems
- Heat exchangers and small-bore boiler tubes
Contact Us
For samples, technical datasheets, or inquiries, please feel free to contact us.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Shanxi Zhongcheng Metal Co., Ltd.
Location
Room 2, No. 221 Tianzhang Avenue, Fengdong New City, Xi'an, Shaanxi Province
Contact Person
Zhongcheng Metal