410S Stainless Steel Pipe – Exceptional Weldability for Heavy-Duty Applications
Meta Description: Explore 410S stainless steel pipe, a cost-effective, weld-friendly solution for pressure vessels, heat exchangers, and refinery piping. Discover its superior weldability, high-temperature resistance, and cost advantages.
Introduction
410S Stainless Steel Pipe is a superior, low-carbon ferritic stainless steel pipe that is particularly well-suited for welding, making it the preferred choice for heavy-duty applications like pressure vessels, heat exchangers, and refinery piping systems. The key advantage of 410S over the standard 410 stainless steel pipe is its reduced carbon content, which minimizes the risk of sensitization and intergranular corrosion after welding. This makes 410S stainless steel pipe ideal for applications that demand stronger welds and excellent toughness even in thick-walled sections.
Unlike 410 stainless steel, which can be prone to cracking and embrittlement after welding, 410S is a low-carbon variant that offers outstanding weldability, making it the best choice for thick-walled welded pipes without the need for special post-weld heat treatment (PWHT). Additionally, 410S stainless steel pipe is well-suited for high-temperature environments such as thermal oxidizers, power plants, and automotive exhaust systems.
The pipe’s combination of low carbon content, good oxidation resistance, and superior weldability gives it a distinct edge over other materials like 304 and 410, making it a reliable, cost-effective alternative for high-stress applications in industries like refining, chemical processing, and power generation.
Product Overview & Core Advantages
- Superior Weldability: 410S stainless steel pipe offers excellent weldability, even in thick-walled sections. The reduced carbon content prevents sensitization, ensuring that welded joints maintain their strength and ductility.
- No Cracking or Embrittlement: Unlike standard 410 pipe, which can be prone to cracking after welding, 410S maintains its mechanical properties, making it ideal for pressure vessels and heat exchangers that require heavy-duty welding.
- Cost-Effective: 410S stainless steel pipe is a more affordable option compared to other high-performance alloys like 304 or 316. It provides a cost-effective alternative for applications requiring moderate corrosion resistance and elevated temperature resistance.
- High-Temperature Performance: 410S stainless steel pipe excels in high-temperature environments and can withstand temperatures up to 650°C. It offers excellent oxidation resistance for use in thermal oxidizers, furnace components, and refinery piping.
- Exceptional Ductility After Welding: 410S stainless steel pipe retains its ductility after welding, ensuring that the material can endure thermal cycling and pressure variations in industrial applications.
- Magnetic Properties: As a ferritic stainless steel pipe, 410S is magnetic, making it suitable for magnetic applications and automotive exhaust systems.
With its excellent weldability, outstanding ductility, and high-temperature resistance, 410S stainless steel pipe is the go-to choice for demanding industrial applications where both performance and cost-effectiveness are critical.
Chemical Composition
| Element | 410S Stainless Steel (%) | 410 Stainless Steel (%) |
|---|---|---|
| Carbon (C) | ≤0.08 | 0.15 |
| Chromium (Cr) | 11.5–13.5 | 11.5–13.5 |
| Manganese (Mn) | 0.50–1.00 | 0.50–1.00 |
| Silicon (Si) | ≤1.00 | ≤1.00 |
| Phosphorus (P) | ≤0.04 | ≤0.04 |
| Sulfur (S) | ≤0.03 | ≤0.03 |
| Nickel (Ni) | ≤0.75 | ≤0.75 |
The low carbon content of 410S stainless steel pipe (≤0.08% C) ensures that it has enhanced weldability and resistance to sensitization compared to standard 410 stainless steel (which contains up to 0.15% carbon). This makes it ideal for applications where weld integrity is critical.
Mechanical Properties
| Property | Annealed | Elevated Temperature (650°C) |
|---|---|---|
| Yield Strength (MPa) | 310–480 | 250–400 |
| Ultimate Strength (MPa) | 550–690 | 450–600 |
| Elongation (%) | ≥20 | ≥15 |
| Hardness (HRC) | ≤22 | ≤25 |
410S stainless steel pipe demonstrates high strength and good ductility at elevated temperatures. The annealed material offers significant yield and ultimate strength, while maintaining excellent elongation properties. This allows 410S to perform reliably under pressure and thermal cycling conditions.
Physical Properties
| Property | Value |
|---|---|
| Density (g/cm³) | 7.7 |
| Thermal Expansion (10⁻⁶/°C) | 10.4 |
| Thermal Conductivity (W/m·K) | 24.5 |
| Magnetic | Yes |
410S stainless steel pipe exhibits magnetic properties due to its ferritic structure. The material’s thermal expansion and thermal conductivity are optimized for use in applications where thermal cycling and high temperatures are common.
410S vs 410 vs 430 vs 409 vs 304 Pipe Comparison
| Property | 410S Stainless Steel | 410 Stainless Steel | 430 Stainless Steel | 409 Stainless Steel | 304 Stainless Steel |
|---|---|---|---|---|---|
| Weldability | Excellent | Moderate | Good | Excellent | Excellent |
| Hardness (HRC) | 22–25 | 30–35 | 22–30 | 35–45 | 30–35 |
| Corrosion Resistance | Moderate | Moderate | Moderate | Good | Excellent |
| Cost | Low | Moderate | Low | Very Low | High |
| Max Temperature | 650°C | 650°C | 870°C | 850°C | 870°C |
410S stainless steel pipe offers a cost-effective solution compared to 304, with improved weldability and moderate corrosion resistance. It is an ideal choice for applications requiring high-temperature performance and affordable pricing.
Available Types & Specifications
| Type | Size (NPS) | Wall (Sch) | Standards | Surface Finish |
|---|---|---|---|---|
| Seamless & Welded | 1/2″–48″ | Sch 5S, 10S, 40S | ASTM A312, A358, A778 | Pickled, Bright Annealed, Polished |
| Size Range | 1/2″–48″ | Sch 5S, 10S, 40S | EN 10217-7 |
We offer 410S stainless steel pipe in seamless and welded types, with sizes ranging from 1/2″ to 48″ NPS. Available with various wall thicknesses from Sch 5S to Sch XXS, the pipe can be tailored to meet the specific requirements of your application.
Welding & Fabrication Guide
410S stainless steel pipe is widely used in heavy welded applications. Due to its low carbon content, 410S eliminates the risk of sensitization and intergranular corrosion, ensuring strong, durable welds without the need for post-weld heat treatment (PWHT). The pipe is ideal for pressure vessels, heat exchangers, and other high-stress welded applications.
For best results, use ER410S or ENiCrFe-3 as filler material when welding 410S stainless steel pipe.
Major Applications
- Pressure Vessels
- Heat Exchangers
- Thermal Oxidizers
- Refinery Piping
- Power Plant Ducts
- Distillation Columns
- Petrochemical Reactors
- Automotive Exhaust Flanges
- Annealed Pipe for Stamping & Forming
410S stainless steel pipe is essential for high-temperature environments in industries like chemical processing, petrochemical, refining, and power generation.
Product Images
410S Stainless Steel Pipe – Superior Weldability for Heavy-Duty Applications
Large Inventory of 410S Stainless Steel Pipe – Ready for Immediate Delivery
410S Stainless Steel Pipe in Real-World Applications – Pressure Vessels and Heat Exchangers
Why We Are the Best 410S Stainless Steel Pipe Distributor
- Largest stock of restricted-carbon 410S pipe.
- Direct mill contracts with top manufacturers.
- In-house pickling & bright annealing.
- 100% ultrasonic, hydrostatic, and PMI testing.
- Full EN 10204 3.1/3.2 + PED + NACE certificates.
- Custom beveling and threading.
- Fastest delivery worldwide.
- Most competitive pricing.
Packaging & Quality Standards
We use high-quality packaging for all our 410S stainless steel pipes. Every order is carefully packed with individual plastic caps, wooden crates, and steel strapping. VCI protection is included to prevent rusting during shipping.
FAQ Section
-
Why choose 410S over 410 for welded pipe?
410S offers superior weldability with no cracking risk due to its low carbon content. -
Is 410S stainless steel pipe magnetic?
Yes, 410S is magnetic due to its ferritic structure. -
Can 410S pipe be hardened like 410?
410S can be hardened to a lower degree than 410 but offers better weldability. -
Maximum service temperature of 410S pipe?
410S can handle temperatures up to 650°C. -
Best welding process for thick 410S pipe?
For thick-walled 410S pipe, use TIG or MIG welding with ER410S filler material. -
Does 410S pipe rust in mild environments?
410S has moderate corrosion resistance but may rust in harsh environments without proper maintenance. -
Difference in corrosion resistance vs 410?
410S has better corrosion resistance than 410 due to its lower carbon content. -
Is 410S pipe NACE MR0175 compliant?
Yes, 410S is NACE MR0175 compliant. -
Minimum order quantity?
We offer flexible MOQs depending on your requirements. -
Lead time for Sch 80 seamless 410S pipe?
Lead time for Sch 80 seamless 410S pipe is typically 7–14 days. -
Food-contact suitability?
410S is generally not recommended for food-contact applications. -
Can 410S pipe be polished to mirror finish?
Yes, 410S pipe can be polished to a mirror finish for certain applications.
Conclusion + Urgent Call-to-Action
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