3 Inch Stainless Steel Pipe
The 3 inch stainless steel pipe, with a nominal outer diameter of 88.9mm, is a widely used piping solution across various industries. Crafted from high-quality stainless steel alloys, this pipe combines exceptional durability, corrosion resistance, and mechanical strength, making it suitable for both general-purpose and specialized applications. Available in seamless and welded construction, it meets international standards such as ASTM, AISI, DIN, EN, and GB, ensuring consistent performance and reliability.
Product Overview
Attribute | Description |
Product | 3 Inch Stainless Steel Pipe |
Nominal Size | 3 Inch (NPS 3) |
Outer Diameter (OD) | 88.9 mm (3.5 inches) |
Material Type | Stainless Steel (e.g., 304, 316, 316L, 904L, Duplex) |
Manufacturing Process | Seamless or Welded (Longitudinal) |
Standards | ASTM A249, A269, A270, A312, A688; DIN, EN, GB |
Length Range | Customizable from 6 to 25 meters |
Wall Thickness Range | 0.4mm - 30mm (Schedule-dependent) |
Common Material Grades
Grade | Key Alloy Elements | Main Advantages | Typical Applications |
304 | 18% Cr, 8% Ni | General corrosion resistance, good formability | Food, pharmaceuticals, general industry |
316 | 18% Cr, 10% Ni, 2% Mo | Enhanced resistance to chloride corrosion | Marine, chemical processing, coastal areas |
/316L | Low carbon version of 316 | Reduced risk of intergranular corrosion after welding | High-purity systems, welded structures |
/904L | High Cr, Ni, Mo, Cu | Superior resistance to sulfuric acid and seawater | Aggressive chemical environments |
Duplex (e.g., 2205) | Balanced austenitic-ferritic structure | High strength, excellent stress corrosion cracking resistance | Oil & gas, offshore platforms |
Pricing Reference (Approximate)
Material Grade | Form | Price Range (USD/ton) | Notes |
304 | Seamless | 2,000-2,000-2,300 | For ≥1 ton orders |
316 | Seamless | 2,500-2,500-2,800 | Higher due to molybdenum content |
/904L | Seamless | 2,200-2,200-3,520 | Varies significantly with market conditions |
Custom Orders | Any | Depends on specs | Volume discounts available; lead time: 7-60 days |
Key Features & Benefits
Feature | Benefit |
High Corrosion Resistance | Resists rust, oxidation, and chemical attack; ideal for coastal, chemical, and food processing environments |
Excellent Mechanical Strength | Tensile strength: 515-620 MPa; withstands high pressure and extreme temperatures (up to 870°C) |
Smooth Internal Surface | Reduces fluid friction and contamination; suitable for sanitary applications |
Customizable Options | Available in multiple grades, wall thicknesses, and lengths to match specific project needs |
Applications by Industry
Industry | Application |
Oil & Gas / Chemical | Transport of corrosive fluids, steam, and gases under high pressure |
Construction & Architecture | Handrails, structural supports, curtain walls |
Food & Beverage | Hygienic transfer of liquids, dairy, and beverages (meets sanitary standards) |
Pharmaceuticals | Cleanroom piping, sterile fluid transport |
Automotive & Aerospace | Exhaust systems, hydraulic lines, lightweight components |
Conclusion
The 3 inch stainless steel pipe stands out as a cost-effective, long-lasting solution for diverse industrial and commercial needs. Its combination of corrosion resistance, strength, and adaptability makes it a preferred choice for engineers, contractors, and project managers worldwide. Whether for critical industrial processes or aesthetic architectural designs, this pipe delivers consistent performance and value.
