Skip to product information
1 of 6

Factory Direct Pricing | 0.5mm–12mm Wall Thickness | SCH40/SCH80 Sizes | Bulk Stock

Factory Direct Pricing | 0.5mm–12mm Wall Thickness | SCH40/SCH80 Sizes | Bulk Stock

Contact form

**High-performance threaded pipe fittings stainless steel** systems engineered to ASTM standards with ±0.1%–0.3% tolerance. Designed for exhaust and chemical applications, these round tubes feature ​**welding stainless steel exhaust pipe** configurations using 304L and 316Ti alloys, ensuring durability under extreme temperatures.
Application Material Grade Diameter Surface Finish Processing
Exhaust Systems 304/304L 1–50 mm 2B Bending, Welding
Dual Exhaust (2 Pipe) 316Ti/441 50–100 mm Polished Cutting, Decoiling
Chemical Pipelines 310S/321 Custom 120 Mesh Punching
Hydraulic Fittings 316L/2205 20–80 mm Pickled Threading
High-Temp Ducts 410/410S 1½"–4" Hairline Custom Fabrication

Durable 2 stainless steel exhaust pipe setups with dual-wall construction, optimized for automotive and industrial ventilation. Pre-cut 6m lengths or custom sizes available, featuring leak-proof welds tested to 5,000 PSI hydrostatic pressure.

Corrosion-resistant threaded pipe fittings stainless steel include NPT and BSPP connections, compatible with ASME B1.20.1 specifications. All tubes ship in reinforced wooden crates, supporting global logistics with 7-day lead times and flexible payment terms.


Technical Specifications:

  • Threaded fittings: 1/8"–4" NPT/BSPP threads, 3000 PSI pressure-rated
  • Welding stainless steel exhaust pipe: 1.5–6mm wall thickness, TIG/MIG welded seams
  • 2 stainless steel exhaust pipe: Dual 50–80mm OD configurations, 304/409 hybrid options

Compliance & Logistics:

  • Standards: ASTM A312 (welded) / A269 (seamless)
  • Surface roughness: Ra ≤ 0.6μm (120 mesh equivalent)
  • MOQ: 1 ton with 30% TT deposit
View full details