321 Stainless Steel Pipe 4mm-200mm OD 0.6mm-6.0mm Wall Thickness for Industrial Applications
321 stainless steel pipes offer exceptional processing and welding capabilities, making cutting, bending, and welding operations straightforward. These pipes deliver superior mechanical properties including tensile strength, flexural strength, and elongation, ensuring reliable performance across diverse environmental conditions.
- Excellent corrosion resistance for harsh chemical environments
- Superior high-temperature performance up to operating limits
- Outstanding mechanical properties for structural applications
- Easy processing and welding capabilities
- Multiple surface treatment options available
| Parameter | Specification |
|---|---|
| Product Type | 321 Stainless Steel Pipe |
| Outer Diameter Range | Round: 4mm-200mm Square: 10×10mm-100×100mm Rectangular: 10×20mm-50×100mm |
| Wall Thickness | 0.6mm-6.0mm |
| Standard Length | 1-6 meters (custom lengths available) |
| Production Standards | ASTM, AISI, JIS, GB, DIN, EN |
| Surface Treatments | Black, Bright Polished, Rough Turning, Matt Surface, No. 4, BA |
| Certifications | ISO, SGS, BV |
| Element | Content (%) |
|---|---|
| Carbon (C) | ≤ 0.08 |
| Silicon (Si) | ≤ 0.75 |
| Manganese (Mn) | ≤ 2.0 |
| Chromium (Cr) | 17.0-19.0 |
| Nickel (Ni) | 9.0-12.0 |
| Sulfur (S) | ≤ 0.03 |
| Phosphorus (P) | ≤ 0.045 |
| Property | Value |
|---|---|
| Tensile Strength | ≥ 520 MPa |
| Yield Strength | ≥ 205 MPa |
| Elongation | ≥ 40% |
| Hardness | ≤ 187 HB; ≤ 90 HRB; ≤ 200 HV |
321 stainless steel pipes are extensively used in demanding industrial sectors including petroleum processing, chemical manufacturing, aviation, aerospace, food processing, textile operations, breweries, water treatment plants, oil and gas processing, fertilizers and pesticides, construction, pharmaceuticals, and automotive components.
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