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1″ Stainless Steel Welded Pipe 316
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Size: 1
Product Type: Stainless Steel Welded Pipe
Grade: 316 Stainless Steel
UOM: FT
316L Stainless Steel Welded Pipe | Premium Corrosion-Resistant Tubing
Manufactured by a Trusted Stainless Steel Welded Pipe Manufacturer for Global Industries
As a leading stainless steel welded pipe manufacturer, we specialize in producing 316L stainless steel welded pipe designed for extreme durability and corrosion resistance. This page provides in-depth technical specifications, mechanical properties, and industry applications to help engineers and procurement teams make informed decisions.
Product Specifications
Certified to ASTM, EN, and ISO Standards
| Property | Details |
|---|---|
| Material Grade | 316/316L (UNS S31600/S31603) |
| Standards | ASTM A312, ASTM A269, EN 10217-7, ISO 1127 |
| Outer Diameter (OD) | 1/8″ (3.2mm) to 24″ (610mm) [Custom Sizes Available] |
| Wall Thickness | 0.5mm – 12mm (Schedule 5S to 80S) |
| Length | Standard: 5.8m, 6m, 12m |
| Hardness (HRB) | ≤90 |
| Surface Finish | #4 Brushed, 180-220 Grit Polished, Annealed, Pickled, Bead-Blasted |
| Welding Process | TIG (GTAW) / Laser Welding |
| Certifications | ISO 9001:2015, PED 2014/68/EU, NACE MR0175, TUV |
| Testing | Hydrostatic, Ultrasonic, Eddy Current, PMI, Intergranular Corrosion (IGC) Testing |
Mechanical & Chemical Properties
Tensile Strength
The stainless steel welded pipe 316 offers a minimum tensile strength of 515 MPa (75,000 psi), exceeding industry requirements for high-pressure applications. This ensures reliable performance in demanding environments such as offshore oil platforms and chemical processing plants. Third-party testing confirms consistency across batches, with elongation rates ≥40% to prevent brittle fractures.
Bend Strength
Engineered for flexibility, our 316L stainless steel welded pipe achieves a minimum bend strength of 205 MPa (30,000 psi). This allows for tight-radius bending (up to 1.5x OD) without cracking, making it ideal for complex piping layouts in HVAC and shipbuilding projects.
Identification & Traceability
Each pipe is permanently marked with:
- Material Grade (316 or 316L)
- Manufacturer’s Logo
- Heat Number
- Production Date
- ASTM/EN Standard Compliance
- Size (OD + Wall Thickness)
This ensures full traceability and compliance with international quality protocols.
Weight Calculation Formula
Calculate the weight of your stainless steel welded pipe using this industry-standard equation:
Weight per Meter (kg) = (OD [mm] – Wall Thickness [mm]) × Wall Thickness [mm] × 0.02491
Example:
For a 100mm OD pipe with 5mm wall thickness:
(100 – 5) × 5 × 0.02491 = 11.84 kg/m
[Download our free pipe weight calculator tool for batch estimations.]
Why Does Stainless Steel Rust? Key Causes & Solutions
While 316L stainless steel welded pipe is highly corrosion-resistant, improper handling can lead to localized rusting:
1. Chloride Exposure
Prolonged contact with seawater or de-icing salts above 60°C (140°F) may cause pitting.
Solution: Use 316L grade with 2.5% molybdenum for enhanced chloride resistance.
2. Mechanical Damage
Scratches or weld splatter can compromise the protective chromium oxide layer.
Solution: Post-weld electropolishing restores surface integrity.
3. Galvanic Corrosion
Contact with dissimilar metals (e.g., carbon steel) in humid environments accelerates oxidation.
Solution: Insulate joints with dielectric fittings.
4. Intergranular Corrosion
Sensitization at 425–815°C (797–1499°F) during welding reduces chromium content at grain boundaries.
Solution: Low-carbon 316L grade minimizes carbide precipitation.
Industry Applications
Our stainless steel welded pipe is trusted in:
- Oil & Gas: Subsea pipelines, LNG terminals, refinery heat exchangers
- Chemical Processing: Acid storage tanks, fertilizer production reactors
- Pharmaceutical: Clean-in-place (CIP) systems, bioreactor tubing
- Architecture: Coastal building facades, handrails, and structural supports
- Food & Beverage: Brewery fermentation lines, dairy processing equipment
Technical Support & Customization
As a certified stainless steel welded pipe manufacturer, we provide:
- Material Certificates: Mill Test Reports (MTR) with chemical analysis
- Custom Fabrication: Non-standard OD/thickness, perforated pipes, U-bends
- Surface Treatments: Passivation, sandblasting, PVC coating
- Global Logistics: FOB, CIF, or DDP incoterms with 15-30 day lead times
Quality Assurance Process
- Raw Material Inspection: XRF spectroscopy verifies Cr/Ni/Mo content.
- Welding Integrity: Automated TIG welding with argon shielding gas prevents oxidation.
- Post-Production Tests: Hydrostatic testing at 1.5x working pressure ensures leak-proof performance.
- Certification: All pipes include ISO 10474 3.1/3.2 inspection certificates.
Why Choose Our 316L Stainless Steel Welded Pipes?
(Positioned at the bottom as requested)
- Decades of Expertise: Over 20 years as a leading stainless steel welded pipe manufacturer serving 50+ countries.
- Competitive Pricing: Direct factory pricing with volume discounts for bulk orders.
- Rigorous Compliance: Meets ASME B36.19, PED Category II, and NACE MR0103 standards.
- Sustainability: 100% recyclable materials and eco-friendly manufacturing processes.
- 24/7 Support: Dedicated project managers assist with technical specifications and CAD drawings.
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