OD 20–63mm | Excellent Formability & Corrosion Resistance | Ideal for Home Appliances, Kitchenware & Decorative Structures.
| Element | Content (%) | Role in Water Treatment |
|---|---|---|
| Cr | 17.5–19.5 | Forms high-chromium passive film; repair rate 0.2 nm/h in neutral water, prevents pitting. |
| Mo | 1.75–2.25 | Enhances chloride resistance, PREN = Cr% + 3.3×Mo% ≥30, suitable for drinking water standards. |
| C | ≤0.025 | Ultra-low carbon design avoids intergranular corrosion during welding; meets drinking water hygiene standards. |
Physical: Density 7.7 g/cm³, Melting Point 1450–1500℃, Thermal Expansion 10.5×10⁻⁶/℃ (similar to carbon steel)
Corrosion: In pH 7 tap water, electrochemical corrosion current density ≤0.8 μA/cm²; meets GB/T 17219 sanitary standards
Outer Diameter: 15–114 mm
Wall Thickness: 1–4 mm
Length: 6 m / 12 m (±3 mm)
Surface Treatment: Annealed & pickled (2D); inner wall electropolished (Ra ≤0.8 μm); optional antibacterial coating
Stainless Steel Tubes Packed in Truck
Wooden Crate Packaging in Factory
Neo-Mac Machine with Stainless Steel Tubes
Factory Tube Packaging Process
Industrial Manufacturing Equipment
Stainless Steel Composition Analyzer
Specification: 2B/BA Surface Finish, 0.5–2.0 mm wall thickness
Performance: High surface brightness, cost-effective decorative appeal
Case: Southeast Asian Commercial Mall Retail Display Shelving Project
Specification: Precision OD, High-Ductility Grade
Performance: Excellent stamping and bending capability, uniform structural integrity.
Case: High-Volume Refrigerator & Washing Machine Trim Manufacturing Line
Specification: Polished Surface, Corrosion-Resistant Ferritic Grade
Performance: Durable against atmospheric corrosion in semi-dry climates, scratch-resistant finish
Case: Middle Eastern Automotive External Trim & Window Frame Series
Walmay will help match the right stainless product form and specification for your application, confirm quantities and packing needs, and provide requested documents based on order requirements.
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