201 stainless steel pipe has a clear cost advantage and relatively high strength. It is suitable for indoor decoration, furniture, handrails, general structures, low-corrosion mechanical parts and non-critical applications where cost control is important.
Material Summary
| Core advantages | Low-nickel, high-manganese stainless steel with clear cost advantage and relatively high strength. Corrosion resistance and weld stability are lower than 304 / 316. |
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| Typical applications | Indoor decoration, furniture, handrails, general structures, low-corrosion mechanical parts and non-critical applications where cost control is important. |
| Purchasing notes | Use 201 carefully in humid, acidic, alkaline, salt spray, food contact or pressure environments. Confirm the actual grade, nickel content, surface quality and service environment before ordering. |
Pipe Specification Table
| Outside diameter / OD | Common purchasing range: Φ6mm-325mm; small and medium diameters are common for decorative and structural use, and can be customized by OD and thickness. |
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| Wall thickness / WT | Common purchasing range: 0.3mm-10mm; thin-wall tubes are common for light structures and decoration, while pressure or corrosive service should be evaluated carefully. |
| Length | 6m is standard; 3m, 4m, 6m, fixed-length cutting or packing based on transport requirements can be discussed. |
| Surface finish | BA, 2B, brushed, polished, mirror finish. Bright, brushed or polished finishes are common for decoration, furniture and structural parts. |
| Manufacturing process | Welded stainless steel tube is more common; seamless, cold rolled, polished or brushed supply may be discussed based on availability. |
| Common standards | Often discussed under GB/T 12771, ASTM A554, ASTM A778, enterprise standards or customer drawings; confirm whether the actual grade meets the target standard. |
| Ovality tolerance | Confirm by execution standard or drawing. Decorative and structural use usually controls OD, wall thickness and ovality by mutual agreement. |
| Industry use | Indoor decoration, furniture, handrails, general structures and low-corrosion mechanical parts. Not recommended for strong corrosion or critical food-contact pipelines. |
| Customization | OD, wall thickness, length, surface finish and packing can be customized. Material certificate and service environment should be clearly confirmed. |
Purchasing Notes
For outdoor, humid, pressure, food contact or corrosive service, compare 201 with 304 or 316 before final grade selection.