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ASTM-Certified 304/316L/2205 Welded Pipes 6m Pre-Cut Lengths | Factory Direct Pricing | SCH40/SCH80 Sizes | Corrosion Resistant

ASTM-Certified 304/316L/2205 Welded Pipes 6m Pre-Cut Lengths | Factory Direct Pricing | SCH40/SCH80 Sizes | Corrosion Resistant

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**High-performance 316L stainless steel pipe** systems manufactured to ASTM standards with ±0.1%–0.3% dimensional accuracy. Ideal for corrosive environments, these round tubes include specialized ​**3.5 stainless steel exhaust pipe** configurations, designed for automotive and industrial venting with 304N and 310S alloys.
Material Grade Diameter Application Surface Finish Processing
316L 20–80 mm Chemical Processing 2B Welding, Bending
304N/304L 3.5" Exhaust Automotive Systems Polished Cutting
310S/321 1–50 mm High-Temperature Lines 120 Mesh Decoiling
2205 Duplex 8" Pipe Marine Engineering Pickled Punching
410/410S Custom Structural Frameworks Hairline Coil Forming

Durable 8 stainless steel pipe solutions with 1.5–12mm wall thickness, compliant with ASME B36.19 specifications. Pre-cut 6m lengths or custom sizes available, featuring hydrostatic testing up to 6,000 PSI for industrial safety.

Versatile 3.5 stainless steel exhaust pipe options include dual-wall insulated designs, reducing thermal loss in high-performance engines. All tubes ship in reinforced wooden crates, ensuring damage-free global logistics with 7-day lead times and flexible payment terms.


Key Technical Specifications:

  • 316L stainless steel pipe: Max chloride resistance up to 2000 ppm, ideal for coastal applications.
  • 3.5 stainless steel exhaust pipe: 409/304 hybrid options, TIG-welded seams for leak-proof performance.
  • 8 stainless steel pipe: SCH40–SCH160 wall thickness, ANSI B16.5 flange compatibility.

Compliance & Testing:

  • ASTM A312 (Welded) / A269 (Seamless)
  • Hydrostatic Test Pressure: 1.5x working pressure
  • Surface Roughness: Ra ≤ 0.8μm (120 grit equivalent)
  • MOQ: 1 ton with 30% TT deposit
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