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Quality Industrial Grade SS Welded Pipes Schedule 5S To 40S Cut To Size factory
Quality Industrial Grade SS Welded Pipes Schedule 5S To 40S Cut To Size factory

Industrial Grade SS Welded Pipes Schedule 5S To 40S Cut To Size

Basic Properties
Place of Origin: MADE IN CHAINA
Brand Name: Baosteel，TISCO
Certification: EN 10204 Type 3.1 / 3.2 available
Model Number: 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507
Trading Properties
Minimum Order Quantity: 100kg
Price: Negotiable (Request a Quote)
Payment Terms: T/T，D/P，D/A，Western Union，PayPal
Supply Ability: 10000tons
Tags

Molybdenum Alloy Stainless Steel Pipe

Stainless Steel Pipe Chloride Resistance

Industrial SS Welded Pipes
Product Summary
Industrial Grade Stainless Steel Welded Piping is manufactured from high-quality austenitic stainless steel coils through a continuous roll forming and longitudinal welding process. Designed specifically for demanding industrial environments, this piping offers reliable corrosion resistance, ...

Product Details

Highlight:

Industrial SS Welded Pipes

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SS Welded Pipes Schedule 5S

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SS Welded Pipes Schedule 40S
Country Of Origin: MADE IN CHAINA
Brand: Baosteel，TISCO
Certifications: ISO/EN 10204 Type 3.1 / 3.2 Available
Grade: 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 / 630 (17-4PH)
MOQ: 100kg
Price: Negotiable (Request A Quote)
Packaging: Wooden Case / Wooden Pallet / Steel Frame / Carton / Woven Bag
Delivery Time: 15-25days
Payment Terms: T/T，D/P，D/A，Western Union，PayPal
Supply Capacity: 10000tons
Product Description

Industrial Grade Stainless Steel Welded Piping is manufactured from high-quality austenitic stainless steel coils through a continuous roll forming and longitudinal welding process. Designed specifically for demanding industrial environments, this piping offers reliable corrosion resistance, consistent mechanical properties, and cost-effective performance. Unlike decorative or architectural grades, industrial grade piping prioritizes structural integrity, pressure rating, and weld quality over surface appearance. It is an excellent choice for process piping, utility systems, fluid transport, and structural applications where durability and value are essential.

Product Specifications
Parameter Details
Standards ASTM A312, A269, A358; EN 10217-7; JIS G3459
Available Grades 304, 304L, 316, 316L, 201
Outer Diameter 6 mm – 1219 mm (1/8″ – 48″ NPS)
Wall Thickness 0.5 mm – 12.7 mm (Schedule 5S, 10S, 40S)
Length 6m standard; custom lengths up to 12m
Welding Process TIG (GTAW), ERW, Laser, or Plasma
Weld Seam Single longitudinal seam
Heat Treatment Annealed after welding (standard)
Surface Finish Mill finish or pickled
End Finish Plain ends or beveled ends
Chemical Composition (Typical Values, %)
Grade C ≤ Si ≤ Mn ≤ P ≤ S ≤ Cr Ni Mo
304 0.08 0.75 2.00 0.045 0.030 18.0-20.0 8.0-10.5 –
304L 0.03 0.75 2.00 0.045 0.030 18.0-20.0 8.0-12.0 –
316 0.08 0.75 2.00 0.045 0.030 16.0-18.0 10.0-14.0 2.0-3.0
316L 0.03 0.75 2.00 0.045 0.030 16.0-18.0 10.0-14.0 2.0-3.0
201 0.15 0.75 5.5-7.5 0.045 0.030 16.0-18.0 3.5-5.5 –
Mechanical Properties (at Room Temperature)
Grade Tensile Strength (MPa) min Yield Strength (MPa) min Elongation (%) min Hardness (HB) max
304 515 205 35 201
304L 485 170 35 201
316 515 205 35 217
316L 485 170 35 217
201 515 275 35 241

Tested in accordance with ASTM E8 / E8M.

Key Features
  • Cost-Effective – Lower cost than seamless piping
  • Large Diameter Capability – Up to 48″ (1219 mm)
  • Consistent Wall Thickness – High dimensional accuracy
  • Annealed After Welding – Restores corrosion resistance
  • 100% Hydrostatic Tested – Verified pressure integrity
  • Corrosion Resistance – Suitable for water, steam, mild chemicals
  • Good Weldability – Easy to join with standard methods
  • Low Maintenance – No painting or coating required
Industrial Grade vs. Other Grades
Property Industrial Grade Architectural Grade Sanitary Grade
Surface finish Mill / Pickled Brushed / Polished Polished / Electropolished
Surface appearance Not critical Important Critical
Weld seam finish As-welded Ground / Blended Smooth / Flushed
Tolerances Standard Tight Very tight
Cost Lowest Medium High
Typical applications Process piping, utilities Handrails, furniture Food, pharma, biotech
Dimensional Tolerances (ASTM A312)
Parameter Tolerance
Outer diameter ±0.4 mm for OD ≤ 48.3 mm; ±0.8% for larger
Wall thickness ±12.5%
Length (fixed) +0 / -3 mm
Straightness 0.2% of total length
Schedule Wall Thickness (ASME B36.19)
NPS (inch) OD (mm) Schedule 5S (mm) Schedule 10S (mm) Schedule 40S (mm)
1/2″ 21.3 1.65 2.11 2.77
1″ 33.4 1.65 2.77 3.38
2″ 60.3 1.65 2.77 3.91
3″ 88.9 1.65 3.05 5.49
4″ 114.3 1.65 3.05 6.02
6″ 168.3 1.65 3.40 7.11
8″ 219.1 1.65 3.76 8.18
10″ 273.1 – 4.19 9.27
12″ 323.9 – 4.57 9.53
Applications
Chemical & Petrochemical
  • Process piping systems
  • Cooling water lines
  • Utility steam and condensate
  • Mild chemical transfer
Water Treatment
  • Potable water distribution
  • Reverse osmosis feed lines
  • Wastewater and effluent lines
  • Filtration system piping
Food & Beverage (non-sanitary)
  • Non-contact utility water
  • CIP supply lines (non-product)
  • Facility utility piping
Oil & Gas
  • Utility water systems
  • Fire protection mains
  • Low-pressure gathering lines
  • Compressed air systems
Power Generation
  • Cooling water circuits
  • Low-pressure steam lines
  • Instrument air systems
General Industrial
  • Compressed air distribution
  • Hydraulic return lines
  • Plant utility piping
  • Process cooling systems
Structural
  • Handrails and guardrails
  • Scaffolding and supports
  • Equipment platforms
Industrial Welded vs. Seamless Piping
Property Industrial Welded Seamless
Cost Lower (20-40% savings) Higher
Lead Time Shorter Longer
Max Diameter 48″ (1219 mm) 24″ (610 mm)
Wall Consistency Excellent Good
Weld Seam Present – NDT verified None
High Pressure Service Moderate High
Typical Applications Utilities, process lines Critical, high-pressure
Contact Us

For inquiries, technical datasheets, or custom sizes, please contact our sales team.

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