Stainless Steel Pipe / Tube
Product Grades: 304, 304L, 316, 316L, 321, 310S, 347, 904L, 2205, 2507, 201, 430, 409, 439, 441, 444, 405, 410, 420, 440C.
Implementation Standards: ASTM A312, ASTM A213, ASTM A269, ASTM A554, ASTM A789, ASTM A790, ASME SA312, ASME SA213, ASME SA269, ASME SA789, ASME SA790.
Certification: ISO9001:2015.
Features:
- Excellent corrosion resistance in various environments, including acidic, alkaline, and marine conditions.
- High strength and durability, withstanding extreme temperatures and pressures.
- Good weldability and formability for diverse industrial applications.
- Resistance to oxidation and high-temperature scaling.
Applications:
Ideal for use in oil & gas, chemical processing, food & beverage, pharmaceuticals, power generation, marine, construction, and aerospace industries.
MOQ: 2 Tons.
Payment Methods: T/T, LC.
Price: Negotiable.
Stainless Steel Pipe / Tube Supplier
Stainless Steel Pipes, Stainless Steel Tubes, ASTM A312 Stainless Steel Pipes, ASME SA312 Stainless Steel Tubes, Stainless Steel Seamless Pipes, Stainless Steel Welded Tubes Supplier in China.
Stainless Steel Round Pipes, ASTM A269 Stainless Steel Tubing, Stainless Steel Square Tubes, Stainless Steel Rectangular Pipes Exporter, Stainless Steel Capillary Tubes Dealer Worldwide.
Huaxiao Metal, a trusted supplier and exporter in China, specializes in providing a comprehensive range of stainless steel pipes and tubes to customers globally. Our stainless steel piping products are renowned for their excellent corrosion resistance, high strength, and superior performance across various industries, including chemical processing, oil & gas, food & beverage, and marine applications. Manufactured in compliance with ASTM, ASME, and EN standards, our products undergo stringent quality inspections to ensure optimal reliability and durability.
We offer stainless steel pipes and tubes in a full range of grades, sizes, and wall thicknesses, including 304, 304L, 316, 316L, 321, 310S, 347, 904L, 2205, 2507, 201, 430, 409, 439, 441, 444, 405, 410, 420, and 440C. Customization services are available to meet specific client requirements.
Specifications for Stainless Steel Pipe / Tube
| Category | Thickness Range | Outer Diameter (OD) Range | Length Range | Standard Specifications |
|---|---|---|---|---|
| Stainless Steel Seamless Pipes | 0.5 mm – 30 mm | 6 mm – 762 mm | 1000 mm – 12000 mm | ASTM A312, ASTM A213, ASTM A269, ASME SA312, ASME SA213, ASME SA269 |
| Stainless Steel Welded Pipes | 0.5 mm – 30 mm | 6 mm – 3000 mm | 1000 mm – 12000 mm | ASTM A312, ASTM A358, ASTM A554, ASME SA312, ASME SA358, EN 10217 |
| Stainless Steel Tubes | 0.3 mm – 15 mm | 3 mm – 300 mm | 1000 mm – 12000 mm | ASTM A269, ASTM A249, ASTM A554, ASME SA269, EN 10296 |
| Stainless Steel Capillary Tubes | 0.08 mm – 2 mm | 0.2 mm – 12 mm | Coil / Custom Cut | ASTM A213, ASTM A269, ASME SA213, EN 10216 |
- Standards: ASTM A312, ASTM A213, ASTM A269, ASTM A249, ASTM A358, ASTM A554, ASME SA312, ASME SA213, ASME SA269, EN 10216, EN 10217, EN 10296
- Sizes:
- Outer Diameter (OD): 3 mm, 6 mm, 10 mm, 12.7 mm, 19.05 mm, 25.4 mm, 31.8 mm, 38.1 mm, 50.8 mm, 76.2 mm, 101.6 mm, 152.4 mm, 203.2 mm, 254 mm, 300 mm, 406 mm, 508 mm, or as per customer requirements
- Length: 1000 mm, 2000 mm, 3000 mm, 6000 mm, 12000 mm, or custom cut lengths
- Thickness Range: 0.08 mm to 30 mm
- Forms: Seamless Pipes, Welded Pipes, Round Tubes, Square Tubes, Rectangular Tubes, Capillary Tubes, U-Bend Tubes, Coil Tubes
- Surface Finishes: Annealed & Pickled, Bright Annealed, Polished (No.1, No.2D, No.2B, No.4, HL, Mirror 8K), Electro-polished
- Hardness Levels: Soft, Half Hard, Quarter Hard, Full Hard
- Available Grades:
- Austenitic Stainless Steel: 201, 202, 301, 302, 304, 304L, 304H, 309, 309S, 310, 310S, 316, 316L, 316Ti, 317, 317L, 321, 321H, 347, 347H, 904L
- Ferritic Stainless Steel: 405, 409, 410, 420, 430, 434, 436, 439, 441, 444
- Duplex & Super Duplex Stainless Steel: 2205, 2507, S31803, S32750, S32760
- Martensitic Stainless Steel: 410, 416, 420, 440A, 440B, 440C
Available Stainless Steel Grades
Stainless steel is available in various grades, each with distinct properties suited for different applications. Below is a classification of commonly available stainless steel grades:
1. Austenitic Stainless Steel (Non-Magnetic, High Corrosion Resistance)
- 200 Series: Lower nickel content, cost-effective.
- 201, 202 – Good corrosion resistance, used in kitchenware and appliances.
- 300 Series: High nickel and chromium, excellent corrosion resistance.
- 304 / 304L – Most common grade, used in food processing, medical, and architectural applications.
- 316 / 316L – Marine-grade stainless steel with added molybdenum for enhanced corrosion resistance.
- 321 – Titanium-stabilized, resistant to intergranular corrosion at high temperatures.
- 310 / 310S – High-temperature resistant stainless steel for furnace parts and heat exchangers.
2. Ferritic Stainless Steel (Magnetic, Good Corrosion Resistance, Lower Cost)
- 409 – Automotive exhaust systems, moderate corrosion resistance.
- 410 / 420 – Heat-resistant and hardened stainless steel used in cutlery and medical tools.
- 430 – Decorative applications, kitchen appliances, and automotive trim.
- 446 – Superior oxidation resistance at high temperatures.
3. Martensitic Stainless Steel (High Strength, Wear Resistance, Moderate Corrosion Resistance)
- 410 – Used in turbine blades, cutlery, and fasteners.
- 420 – High carbon content, suitable for surgical instruments and cutlery.
- 440A / 440B / 440C – High hardness and wear resistance, used in bearing applications.
4. Duplex Stainless Steel (High Strength, Excellent Corrosion Resistance)
- 2205 – Widely used in chemical, marine, and oil & gas industries.
- 2507 (Super Duplex) – Enhanced strength and pitting resistance for harsh environments.
5. Precipitation-Hardening Stainless Steel (High Strength, Good Corrosion Resistance)
- 17-4 PH (630) – Aerospace, chemical, and high-strength structural applications.
- 15-5 PH – Similar to 17-4 PH but with better toughness and mechanical properties.
Key Features of Stainless Steel Alloy
- Corrosion Resistance – Chromium forms a passive oxide layer, preventing rust and oxidation.
- High Strength & Toughness – Maintains strength at various temperatures, with excellent toughness in austenitic grades.
- Heat Resistance – Withstands high temperatures; 310S and 446 offer excellent oxidation resistance.
- Magnetic Properties – Austenitic grades are non-magnetic; ferritic and martensitic grades are magnetic.
- Workability – Austenitic grades are highly formable and weldable; martensitic grades provide high hardness.
- Hygienic & Aesthetic – Smooth, non-porous surface resists bacteria and enhances appearance.
- Chemical Resistance – Nickel and molybdenum improve resistance to acids, alkalis, and chlorides.
- Durability – Long service life with minimal maintenance.
Applications of Stainless Steel Pipe / Tube
Industrial & Chemical Processing
- Used in chemical plants, refineries, and power plants for transporting corrosive fluids and gases.
- Grades: 304, 316, 321, 904L, Duplex 2205 (high corrosion resistance).
Oil & Gas Industry
- Drilling, offshore platforms, pipelines, and refineries require stainless steel for its strength and resistance to harsh environments.
- Grades: 316L, Duplex 2205, Super Duplex 2507.
Food & Beverage Processing
- Hygienic and corrosion-resistant for milk, beverages, and food processing lines.
- Grades: 304, 316L (food-grade, easy to clean).
Medical & Pharmaceutical
- Used in sterile environments for medical devices, surgical tools, and pharmaceutical piping.
- Grades: 316L, 904L (biocompatible, resistant to sterilization processes).
Water Treatment & Desalination
- Used in water filtration, desalination plants, and wastewater systems for corrosion resistance.
- Grades: 316L, Duplex 2205, Super Duplex 2507.
Automotive & Aerospace
- Exhaust systems, fuel lines, and structural components require high-temperature and corrosion resistance.
- Grades: 304, 409, 321, 316.
Construction & Architecture
- Structural supports, handrails, and decorative applications in buildings, bridges, and stadiums.
- Grades: 304, 316, 430.
Heat Exchangers & Boilers
- Used in power plants, HVAC systems, and industrial heat exchangers for high-temperature performance.
- Grades: 304, 316, 321, 310S.
Packaging & Delivery
Packaging Options:
- Bundles with plastic wrapping for weather protection.
- Wooden crates or pallets for safe transportation.
- Custom packaging available based on client requirements.
Delivery Time: 10-25 days or faster if stock is available.
Why Choose Huaxiao Alloy?
- Made in China: Leading supplier of Hastelloy alloys with international market expertise.
- Wide Grade Selection: Comprehensive range of grades and customizable sizes.
- Stringent Quality Control: Ensuring compliance with international standards.
- Global Export Network: Trusted by clients in Europe, the Americas, the Middle East, and Asia.
- Competitive Pricing: High-quality products at reasonable rates.
Contact us today for more details or to request a quote for Stainless Steel Pipe / Tube!
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FAQs
The key differences between stainless steel pipe and tube lie in their dimensions, manufacturing standards, and applications:
Dimensions:
- Pipes are measured by nominal pipe size (NPS) and schedule (SCH), which defines wall thickness.
- Tubes are measured by exact outer diameter (OD) and wall thickness (WT) in millimeters or inches.
Manufacturing Standards:
- Pipes follow ASTM A312, A358, A376, etc., based on pressure and flow requirements.
- Tubes follow ASTM A269, A213, A554, etc., with stricter tolerances and precision.
Applications:
- Pipes are used for fluid and gas transport in industrial systems.
- Tubes are used in structural, mechanical, and medical applications where precise dimensions are required.
Both 304 and 316 stainless steel are austenitic grades, but their chemical composition and performance differ:
Corrosion Resistance:
- 304: Good corrosion resistance in mild environments.
- 316: Superior corrosion resistance due to 2-3% molybdenum, especially against chlorides (e.g., seawater).
Strength & Durability:
- 316 has slightly higher tensile strength and better resistance to pitting corrosion, making it suitable for harsh environments.
Applications:
- 304 Tubing: Used in food processing, architectural, and automotive applications.
- 316 Tubing: Preferred for marine, chemical, and medical industries due to higher resistance to corrosion.
Yes, stainless steel pipe can be used underground, but proper precautions are necessary:
Corrosion Considerations:
- Stainless steel is resistant to rust, but soil conditions, moisture, and chloride exposure can cause corrosion.
- 316 stainless steel is preferred for underground use due to better resistance to chlorides and acidic soil.
Protective Measures:
- Wrapping or coating the pipe with protective layers (e.g., polyethylene or epoxy) reduces risk.
- Cathodic protection can be applied in aggressive environments to prevent electrochemical corrosion.
Standards & Regulations:
- Ensure compliance with industry standards like ASTM A312 for pipes and proper installation codes for underground applications.
Stainless steel tubing is used in applications requiring high strength, corrosion resistance, and precision:
- Industrial & Chemical Processing: Transporting aggressive chemicals and gases.
- Medical & Pharmaceutical: Surgical tools, hypodermic needles, and cleanroom piping.
- Food & Beverage Industry: Hygienic tubing for dairy, breweries, and food processing.
- Aerospace & Automotive: Hydraulic systems, fuel lines, and exhaust systems.
- Structural & Architectural: Handrails, frames, and support structures.
Measurement System:
- Pipes use nominal pipe size (NPS) and schedule (SCH).
- Tubes use exact outer diameter (OD) and wall thickness (WT).
Function:
- Pipes focus on fluid and gas transport with high-pressure tolerance.
- Tubes focus on structural integrity and precision in various industries.
Manufacturing & Tolerance:
- Tubes have stricter tolerances and are often seamless or welded with precision.
- Pipes are available in seamless and welded forms with looser tolerances.
Composition & Corrosion Resistance:
- Stainless Steel (SS): Contains at least 10.5% chromium, forming a passive layer that resists rust and corrosion.
- Carbon Steel (CS): Contains higher carbon content but lacks chromium, making it prone to rust if unprotected.
Strength & Durability:
- SS Pipes: High corrosion resistance and longer lifespan.
- CS Pipes: Higher tensile strength but requires protective coatings (galvanizing, painting) for corrosion resistance.
Cost & Applications:
- SS Pipes: More expensive but ideal for food, pharmaceutical, chemical, and marine industries.
- CS Pipes: More cost-effective and commonly used in construction, oil & gas, and heavy-duty applications.
