Precision Stainless Steel Seamless Tubing for Demanding Industrial Applications
ASTM-Certified Pipes with Multi-Industry Compliance & Enhanced Performance
Technical Specifications
- Material Grades: 301L, 304N, 316Ti, 316L, 321, 310S, 2205 duplex + 400 series alloys
- Dimensional Tolerance: ±0.1%-0.3% (1mm-100mm diameter range)
- Surface Finish: 2B cold-rolled with 120-grit electropolishing (Ra ≤0.35μm)
- Certifications: EN 10204 3.2, NACE MR0175, ASME BPE
Key Advantages
✓ Stress Corrosion Cracking Resistance
- Passes ASTM G48 Method D (25% NaCl at 45°C)
- PREN Values: 304(19.5) | 316L(28.3) | 2205(36.7)
✓ Extreme Temperature Performance
- Operational range: -196°C (cryogenic) to 700°C
- Hydrostatic tested at 2.5x working pressure
✓ Rapid Manufacturing
- 7-day end-to-end production cycle
- Full traceability from raw material to shipment
✓ Custom Fabrication Services
- CNC rotary draw bending (±0.5° accuracy)
- Orbital TIG welding for sanitary systems
Industry Applications
- Chemical Processing: Reactor liners, heat exchanger tubes
- Pharmaceutical: CIP/SIP systems, bioreactor piping
- Construction: Load-bearing structural components
- Energy: Nuclear coolant channels, LNG transfer lines
Order Parameters
| Category |
Details |
| Minimum Order
|
1 metric ton |
| Payment Terms
|
30% advance TT + 70% balance |
| Packaging
|
IPPC-certified wooden crates |
| Dimensions
|
60×40×40 cm (1,000kg capacity) |
Quality Assurance
- Material Verification
- PMI testing with XRF analyzers
- Eddy current defect detection
- Leak Testing
- Helium mass spectrometer (≤1×10⁻¹⁰ mbar·L/s)
- Durability Validation
- 10,000+ hour salt spray resistance (ASTM B117)
Why Choose Our Tubes?
- Medical-Grade Finish: Meets ASTM A270 sanitary standards
- Custom Passivation: Nitric acid or citric acid options
- Global Compliance: Documentation for PED/CE/ASME compliance
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