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Welded Stainless Pipe Wholesale Supplier 304/316L/2205 Alloys | Custom OD 1/2"-24" | Mill Test Certificates

Welded Stainless Pipe Wholesale Supplier 304/316L/2205 Alloys | Custom OD 1/2"-24" | Mill Test Certificates

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**Durable stainless steel plumbing pipe** solutions engineered for precision, meeting ASTM standards with ±0.1%–0.3% tolerance. Ideal for residential and industrial systems, these round tubes feature ​**stainless steel smoker pipe** grades like 316L and 310S, designed to withstand high temperatures up to 800°C.
Application Material Grade Diameter Surface Finish Processing
Plumbing Systems 304/304L 15–100 mm 2B Bending, Cutting
Smoker/Kiln Use 310S/321 50–200 mm Polished Welding
Wood Stove Exhaust 316Ti/441 80–150 mm 120 Grit Punching
Structural Frames 410/410S Custom Hairline Decoiling
HVAC Ducting 2205 Duplex 20–80 mm Pickled Coil Forming

Heavy-duty stainless steel wood stove pipe configurations with 120-grit interior surfaces for reduced creosote buildup. Available in pre-cut 6m lengths or custom sizes, these pipes undergo hydrostatic testing to ensure leak-proof performance in extreme conditions.

Versatile stainless steel smoker pipe options include seamless and welded variants, compatible with ASME B36.19 specifications. All tubes ship in reinforced wooden crates, supporting global logistics with 7-day lead times and flexible payment terms.


Key Features by Application:

  • Stainless steel plumbing pipe: 0.5–6mm wall thickness, pressure-rated for ANSI/NSF 61 compliance.
  • Stainless steel smoker pipe: 3–12mm thick walls, annealed for thermal cycling resistance.
  • Stainless steel wood stove pipe: Double-wall insulated options, UL-1037 certified.

Technical Compliance:

  • ASTM A312 (Welded) & A269 (Seamless)
  • Surface roughness: Ra ≤ 0.8μm (120 mesh equivalent)
  • MOQ: 1 ton with TT/Credit Letter payment options
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