Precision ASTM-Certified Stainless Steel Tubing
Industrial-grade 300-series seamless tubes (304L/316L/2205 duplex) engineered for critical applications, featuring ±0.1% dimensional accuracy and 120-grit polished surfaces. Compliant with ASME B36.19M and EN 10305-5 standards.
Technical Specifications
- Standards: ASTM A269 (Welded) / A312 (Seamless)
- Material Grades: 304/304L/316L/321/310S/2205
- Diameter: 1mm–100mm (Round Profile)
- Surface Finish: 2B cold-rolled, Ra ≤0.8μm roughness
- Tolerance: ±0.1%-0.3% per ASTM A999
Industrial Applications
- Construction: Seismic-resistant structural frameworks (EN 1090-1 compliant)
- Chemical Processing: Corrosive fluid transfer systems (NACE MR0175 certified)
- Medical Equipment: Sterile fluid handling (ISO 13485 compliant)
Value-Added Services
- CNC bending (±0.5° angular precision)
- Orbital welding (ASME BPE-2022 standards)
- Decoiling with ≤2% hardness deviation
- Laser cutting (±0.03mm accuracy)
- Custom punching (positional accuracy ±0.1mm)
Packaging & Logistics
- Export Packaging: DNV 2.7-1 certified wooden crates (60×40×40cm)
- Load Units: 1MT pallets with ISO 3874 securing
- MOQ: 1 metric ton (mixed-grade orders accepted)
- Lead Time: 7 business days from PO confirmation
- Payment Terms: 30% TT advance, balance against B/L
Performance Advantages
- Corrosion Resistance: PREN ≥38 (2205 duplex)
- Cryogenic Durability: Tested at -196°C (ASTM A370)
- High-Temp Stability: Serviceable up to 870°C
- Surface Versatility: Electropolishable to 5-10Ra µin
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