Ultra-Precision Stainless Steel Seamless Tubing for Critical Infrastructure
ASME-Certified Pipes with Multi-Industry Compliance & Enhanced Material Properties
Technical Specifications:
- Material Grades: 301L, 304N, 316Ti, 316L, 321, 310S, 2205 duplex + 400 series variants
- Dimensional Accuracy: ±0.1%-0.3% OD tolerance (1-100mm diameter range)
- Surface Integrity: 2B cold-rolled finish with 120-grit mirror polish (Ra ≤0.35μm)
- Certifications: NACE MR0175, ASME BPE-2023, EN 10204 3.2
Key Performance Advantages:
✓ Chloride Stress Corrosion Resistance (Passes ASTM G48 Method D at 25% NaCl)
✓ Accelerated Lead Times: Full-process manufacturing within 7 working days
✓ Value-Added Fabrication: Orbital TIG welding, CNC cold drawing, laser micro-drilling
✓ Multi-Sector Applications: Nuclear reactor coolant lines, bio-pharma CIP systems, subsea umbilicals
Enhanced Engineering Parameters:
- Pitting Resistance Equivalent (PREN): 304(19.8) | 316L(28.3) | 2205(36.7)
- Temperature Range: -269°C (liquid helium) to 700°C cyclic operation
- Hydrostatic Pressure: Tested to 2.5x working pressure (ASME B31.3 compliant)
- Passivation Standard: Electropolished per ASTM A967 Citric Acid method
Order Parameters:
- Flexible Procurement: 1 MT minimum order quantity with JIT scheduling
- Secure Transactions: LC/SBLC payment options with escrow protection
- Global Logistics: IPPC-certified crates (60×40×40cm; 1MT capacity)
Quality Assurance Protocol:
- Triple verification: PMI/XRF analysis, eddy current testing, helium mass spec leak detection
- Full material traceability from melt to final product
- Salt spray corrosion testing exceeding 10,000 hours (ASTM B117)
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