Home > Stainless Steel > Stainless Steel 409 Pipe
Discover unmatched reliability and efficiency with Stainless Steel 409 Pipes prominently showcased in our product catalog. Browse an extensive selection of expertly engineered solutions thoughtfully crafted to meet a wide array of industrial needs. Manufactured with precision, our SS 409 Pipes adhere to strict industry standards, delivering Excellent durability and protection against corrosion. As a dependable supplier, we place customer satisfaction first by offering tailored solutions, competitive rates, and timely delivery. Whether powering automotive, exhaust, or architectural applications, our stainless steel pipes exceed expectations, setting fresh standards for quality and performance. Elevate your applications with our steadfast commitment to excellence and innovation, ensuring reliable performance every step of the way.
| Item | Stainless Steel 409 Pipe |
| Standard | GB, AISI, ASTM, ASME, EN, BS, DIN, JIS |
| Type | Seamless / ERW / Welded / Fabricated / CDW |
| Outer Diameter Size | SEAMLESS – 1/2″ NB TO 18″ NB WELDED / ERW- 1″ NB TO 16″ NB EFW – 8″ NB TO 110″ NB |
| Form | Round Pipes, Square Pipes, Rectangular Pipe, “U” Shape Pipes, Hydraulic Pipes |
| Wall Thickness | Schedule 10 To Schedule 160 (3 mm to 100 mm Thickness) |
| Length | 01 Meter to 12.5 Meters, Single Random Length, Double Random Length And Customize Size End: Plain End, Beveled End, Treaded |
| Delivery Conditions | As Rolled, Formed, Stress Relieved, Annealed, Hardened, Tempered, Cold Draw |
| Coating | Electropolish, Mechanical Polish, Satin Finish, Passivated |
| Testing | Product Analysis, Transverse Tension Test, Flattening Test, Etching Test, Radiographic Examination, Stabilizing Heat Treatment, Intergranular Corrosion Test, Weld Decay Test, Magnetic Particle Detection, Grain Size Test, NACE 0175, Dual Grade, PWHT (POST WELD HEAT TREATMENT), Flare Test, Bend Test, Hardness Test, Tensile Test etc |
| Dimension | All Pipes Is Manufactured and Inspected / Tested to the Relevant standards including ASTM and ASME |
| Value Added Services | Draw / Expansion / Machining / Sand Blasting / Shot Blasting / Heat Treatment |
| Packaging | Loose / Bundle / Wooden Pallet / Wooden Box / Plastic Cloth Wraps / Plastic End Caps / Beveled Protector |
| Material Test Certificate | Manufacturer Test Certificate As Per EN10204 3.1, 3.2 / Laboratory Test Certificate From NABL Approved Lab. / Under Third Party Inspection Agency Like SGS, TUV, DNV, LLOYDS, ABS ETC |
| Grade | C | Mn | Si | P | S | Cr | MO | Ni | CU | |
| 409 | Min | – | – | – | – | – | 10.5 | – | – | – |
| max | 0.03 | 1.00 | 1.00 | 0.04 | 0.02 | 11.7 | – | 0.5 | – |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) | Brinell (HB) | ||||
| 409 | 380 | 170 | 20 | 88 | 0.5t |
At Koasteel, we are proud to be the largest supplier and manufacturer in the New Zealand, providing innovative solutions for all your piping requirements. With advanced production facilities strategically situated in New Zealand, we maintain an extensive inventory of more than 25,000 tons of top-quality materials kept ready in stock.
Reach out to us for a fast quote tailored to your needs.
We supply these Stainless Steel 409 Pipes in accordance with DIN, ISO, JIS or ANSI Standard.
Corrosion resistance: 409 stainless steel offers strong resistance to corrosion, which makes it well suited for use in demanding conditions, like automotive air filters
Thermal Resistance: Demonstrates outstanding heat resistance, enabling it to endure elevated temperatures without harm or breakdown; once more, this makes it especially fitting for exhaust systems, where high temperatures frequently occur
Durability: Stainless steel 409 pipe is tough and long-lasting, delivering enduring performance free from corrosion
Cost: In comparison with certain grades of stainless steel, 409 is considerably more economical, making it attractive for uses where budget factors matter
Weldability: It offers great weldability, which eases manufacturing operations and the assembly of different materials.
Luxury: The stainless steel has a smooth, contemporary appearance that enhances the look of the accessories.
Low maintenance:Stainless steel 409 pipe calls for little upkeep thanks to its resistance to corrosion and staining, cutting down on the time and resources spent on maintenance
Recycling:As with other stainless steel products, 409 is fully recyclable, which makes it eco-friendly and adds to the effort things have stayed the same
Stainless Steel 409 Pipes serve applications as varied as the industries that rely on them, led mainly by the aerospace, railway, construction and automotive industries along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Automotive exhaust systems: Stainless steel 409 pipes are extensively utilized in the automotive sector for exhaust systems because they resist high temperatures and gaseous corrosion. They offer protection from air and atmosphere. It does not mix well, which makes it perfect for this application.
Industrial Exhaust Systems: This pipe is also employed in industrial exhaust systems where high temperatures and hot weather occur, such as power plants, chemical plants and manufacturing plants
Heat Exchangers: Stainless steel 409 pipe is applied in heat exchangers where corrosion resistance and heat transfer are important factors. They can endure the high temperatures and hot spots commonly found in heat exchangers.
Materials:For certain structural applications where corrosion resistance is a priority, such as infrastructure, stainless steel 409 pipes can serve as structural elements such as gloves, foundations and frames.
Waste Treatment Systems: Uses of stainless steel 409 pipes in waste management systems include waste treatment plants and incinerators, where corrosive chemicals and high temperatures are present
Chimneys and vents: Owing to their resistance to corrosion and high temperatures, stainless steel 409 pipes are frequently used for chimneys, vents and air installation systems in residential, commercial and industrial buildings.
Function: Identify what the pipe will be used for. Will it serve in exhaust systems, automotive parts, industrial machinery, or some other purpose? Understanding the application allows you to select the correct grade and size.
Grade: Stainless Steel 409 is a ferritic steel recognized for its outstanding corrosion resistance and strong heat tolerance. Nevertheless, it is essential to confirm that this grade satisfies your application’s requirements for corrosion resistance, strength and heat resistance.
Corrosion Resistance: Think about the location where the pipe will operate. Stainless steel 409 offers superb resistance to atmospheric corrosion but might not hold up in extremely corrosive settings like marine or chemical impregnation environments. In those situations, you might require a grade with greater corrosion resistance, such as 316 stainless steel.
Size and Dimensions: Establish the necessary pipe diameter, wall thickness, and length according to your application specifications. Confirm that the pipe measurements align with your machine or system requirements.
Temperature and Pressure: Verify the operating temperature and pressure conditions the pipe will encounter. Stainless steel 409 has a maximum operating temperature of roughly 815°C (1500°F), so if your application involves greater temperatures, you might require a different grade.
Cost Considerations: While stainless steel 409 delivers excellent performance at a comparatively low cost relative to other stainless steel alloys, weigh performance needs against pipe service life, taking your budget limits into account.
Supplier Name: Select a trustworthy supplier or manufacturer recognized for supplying quality stainless steel pipe. Confirm that warranties and guarantees are given for the pipe’s composition, quality and performance.
Standards and Regulations: Confirm that stainless steel 409 pipe meets the relevant industry standards and regulations, particularly if it will be used in critical applications or regulated projects.
When installing stainless steel 409 pipes, take into account their heat and corrosion resistance, which makes them well-suited for exhaust systems and industrial uses. Use proper welding methods to ensure durability. Factor in their lower price relative to other stainless steels, though with somewhat diminished corrosion resistance in certain conditions.
Choosing the appropriate stainless steel 409 pipe involves weighing considerations such as heat tolerance, resistance to corrosion, and value for money based on your particular use case. Take into account how well it works with welding techniques and the conditions it will be subjected to. Confirm that it satisfies the necessary industry benchmarks and rules for both functionality and safety.
Yes,Stainless steel 309 pipes are recyclable once they have been used. Stainless steel offers excellent recyclability, as around 60% of all stainless steel is produced from recycled materials. Recycling these pipes preserves resources, cuts down on energy use, and lessens the impact on the environment.
Stainless steel 409 pipes might not be the best choice for natural gas because they are vulnerable to sulfur-containing environments, which could result in corrosion problems. For such applications, think about using stainless steels with elevated chromium and nickel content to achieve improved corrosion resistance, safeguarding the safety and durability of the gas system.
| Pipe Size | O.D. inches | Pipe Schedule | |||||||
|---|---|---|---|---|---|---|---|---|---|
| 5 | 10 | 40 | STD | 80 | XH | 160 | XXH | ||
| 1/8 | 0.405 | .1383 | .1863 | .2447 | .2447 | .3145 | .3145 | ||
| 1/4 | 0.540 | .2570 | .3297 | .4248 | .4248 | .5351 | .5351 | ||
| 3/8 | 0.675 | .3276 | .4235 | .5676 | .5676 | .7388 | .7388 | ||
| 1/2 | 0.840 | .5380 | .6710 | .8510 | .8510 | 1.088 | 1.088 | 1.304 | 1.714 |
| 3/4 | 1.050 | .6838 | .8572 | 1.131 | 1.131 | 1.474 | 1.474 | 1.937 | 2.441 |
| 1 | 1.315 | .8678 | 1.404 | 1.679 | 1.679 | 2.172 | 2.172 | 2.844 | 5.214 |
| 1-1/4 | 1.660 | 1.107 | 1.806 | 2.273 | 2.273 | 2.997 | 2.997 | 3.765 | 5.214 |
| 1-1/2 | 1.900 | 1.604 | 2.085 | 2.718 | 2.718 | 3.631 | 3.631 | 4.859 | 6.408 |
| 2 | 2.375 | 1.604 | 2.638 | 3.653 | 3.653 | 5.022 | 5.022 | 7.444 | 9.029 |
| 2-1/2 | 2.875 | 2.475 | 3.531 | 5.793 | 5.793 | 7.661 | 7.661 | 10.01 | 13.69 |
| 3 | 3.500 | 3.029 | 4.332 | 7.576 | 7.576 | 10.25 | 10.25 | 14.32 | 18.58 |
| 3-1/2 | 4.000 | 3.472 | 4.973 | 9.109 | 9.109 | 14.98 | 12.50 | 22.85 | |
| 4 | 4.500 | 3.915 | 5.613 | 10.79 | 10.79 | 14.98 | 14.98 | 22.51 | 27.54 |
| 5 | 5.563 | 6.349 | 7.770 | 14.62 | 14.62 | 20.78 | 20.78 | 32.96 | 38.55 |
| 6 | 6.625 | 7.585 | 9.289 | 18.97 | 18.97 | 28.57 | 28.57 | 45.30 | 53.16 |
| 8 | 8.625 | 9.014 | 13.40 | 28.55 | 28.55 | 43.39 | 43.39 | 74.69 | 72.42 |
| 10 | 10.750 | 15.19 | 18.70 | 40.48 | 40.48 | 64.33 | 54.74 | ||
| 12 | 12.750 | 20.93 | 24.16 | 53.52 | 49.56 | 88.51 | 65.42 | ||
| 14 | 14.000 | 42.05 | 63.37 | 54.57 | 106.1 | 72.09 | |||
| 16 | 16.000 | 42.05 | 82.77 | 62.58 | 136.5 | 82.77 | |||
| 18 | 18.000 | 47.39 | /104.8 | 70.59 | 170.8 | 93.45 | |||
| 20 | 20.000 | 52.73 | 122.9 | 78.60 | 208.9 | 104.1 | |||
| 24 | 24.000 | 63.41 | 171.2 | 94.62 | 296.4 | 125.50 | |||
Mail: sales@koasteel.nz