Home > Stainless Steel > Stainless Steel 308 Pipe
Discover the pinnacle of quality and performance with Stainless Steel 308 Pipes featured on our product pages. Browse an extensive selection of expertly engineered solutions designed to meet a wide array of industrial needs. Made with careful attention to detail, our SS 308 Pipes meet the highest industry standards, delivering Excellent strength and resistance to corrosion. As a reliable supplier, we put customer satisfaction first by offering customizable options, competitive pricing, and fast delivery. Whether powering construction, infrastructure, or industrial projects, our stainless steel pipes surpass expectations, setting fresh benchmarks for excellence. Elevate your applications with our steadfast commitment to quality and innovation, ensuring dependable reliability at every step.
| Specifications | ASTM A269 |
| Dimensional specification | ANSI/ASME B36.19M, ANSI/ASME B36.10M |
| Seamless / Welded Pipe Size | 1 / 8″ NB – 24″ NB |
| EFW Pipe Size | 6″ NB – 48″ NB |
| Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock |
| Manufacturing Shapes | Hydraulic, Round, Rectangle, Square, Hex, Honed |
| Manufacturing Techniques | Seamless / Welded / ERW / Fabricated / CDW / 100% X Ray Welded |
| Schedule Thickness Range | SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Pipes End Types | Plain End, Beveled End, Treaded One End, TBE (Treaded Both Ends) |
| Delivery Condition of Pipe | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
| Surface Finish | No.1, No.4, No.8 Mirror Finish, 2B |
| Value Added Services | Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing |
| Grade | C | Mn | Si | Cr | Ni | S | P | Mo | Cu |
| SS 308 | 0.04-0.08 | 1-2.5 | 0.30-0.65 | 19.5-22 | 9-11 | 0.03 max | 0.03 max | 0.50 max | 0.75 max |
| Grade | Ultimate Tensile Strength | Offset Yield Strength 0.2 % | Elongation (%) | ||
| psi | MPa | psi | MPa | ||
| SS 308 | 87,000 | 600 | 59,450 | 410 | 41 |
At Koasteel, we’re proud to be the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every piping requirement you have. With cutting-edge manufacturing facilities strategically positioned across the New Zealand, we maintain an extensive stock of more than 25,000 tons of top-grade materials on hand and ready to ship.
Reach out to us for a fast quote tailored to your requirement.
We supply these Stainless Steel 308 Pipes in accordance with DIN, ISO, JIS or ANSI Standard.
Corrosion Resistance: Stainless steel 308 offers strong resistance to corrosion, which makes it well-suited for a range of uses, particularly in settings where contact with water, chemicals, or severe conditions occurs frequently. Because of this corrosion resistance, it endures for much longer, cutting down on maintenance expenses.
High Strength: Stainless steel 308 demonstrates outstanding strength, allowing it to endure stress and temperature conditions without warping or breaking down. This strength delivers a sturdy and dependable piping system that meets the necessary demands.
Thermal resistance: The 308 alloy composition in stainless steel delivers superb thermal resistance, allowing it to preserve its structural integrity even under high temperatures. This characteristic makes it a good fit for uses that involve water at elevated temperatures.
Sanitary materials: Stainless steel 308 is porous and simple to clean, which makes it well-suited for use in sectors like food processing, pharmaceuticals, and healthcare, where cleanliness and hygiene are of the utmost importance
Aesthetics: Stainless steel 308 has an appealing look, contributing aesthetic value across many uses such as architectural structures, interior design features, and decorative installations.
Stainless Steel 308 Pipes find uses across a wide range of industries, led mainly by the aerospace, railway, construction and automotive sectors, along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Chemical applications: Stainless steel 308 pipe is frequently employed in chemical plants where it makes contact with corrosive substances. This resistance to corrosion makes it well-suited for the safe conveyance of medicines.
Oil and Gas Industry: Within the oil and gas sector, these pipelines serve to move crude oil, natural gas and other petroleum products. Because they are durable and resist corrosion, they are appropriate for these demanding environments.
Food processing: Stainless steel 308 pipe sees broad use in the food and beverage sector, where cleanliness and sanitation are of the utmost importance. It withstands corrosion caused by food acids and can endure repeated cleaning and cleaning.
Petrochemical Industry: In petrochemical facilities, stainless steel 308 pipes serve numerous purposes, such as moving chemicals, gases and liquids under high pressure and temperature conditions
Water Treatment: These pipelines also find use in water treatment for moving treated water, chemicals and wastewater. Their ability to resist corrosion guarantees that pipes last long in such settings.
Construction:In construction, stainless steel 308 pipe is applied to plumbing systems, structural supports and building materials that call for corrosion resistance and durability
Automotive Industry:Benefits appear in the automotive sector for exhaust systems, fuel lines, and other parts that demand resistance to corrosion and elevated temperatures
Aerospace:Stainless steel 308 pipe is applied in aviation and aerospace uses where the needed qualities of light weight, high strength and corrosion resistance are essential
Material Grade: Stainless Steel 308 is a distinctive grade recognized for its outstanding resistance to corrosion and its ease of welding. Confirm that the pipe you select is genuinely constructed from 308 stainless steel.
Application Requirements: Identify the intended use for which the pipe will be produced. Whether industrial, commercial, residential, or otherwise, knowing the application will help direct you toward the correct choices, dimensions, and finishes.
Size and thickness: Take into account the pipe’s diameter and wall thickness. The size must correspond to your project’s specifications—measure the location where the pipe will be installed to guarantee a proper fit.
Pressure and Temperature Check: Keep track of the pipe’s pressure and temperature to confirm it can withstand your operating conditions without sacrificing safety or performance.
Corrosion resistance: While 308 stainless steel offers excellent corrosion resistance, environmental conditions differ. Verify that the pipe provides adequate corrosion resistance for its intended application, particularly if it will be exposed to corrosive substances or the elements.
Floor finish: Determine the surface finish you prefer based on both aesthetic and functional needs. Choices include polished, brushed, satin, or mill finishes.
Certifications and Standards: Confirm that the pipe complies with the relevant industry standards and certifications, such as ASTM (American Society for Testing and Materials) standards or ASME (American Society of Mechanical Engineers) certifications, depending on what your project requires.
Supplier Reputation and Quality: Select a well-regarded supplier recognized for delivering quality stainless steel. Seek out suppliers with strong reviews, testimonials, and a proven history of dependability.
Stainless Steel 308 pipes are engineered to withstand rust because of their makeup, which consists mainly of chromium, nickel, and iron. Nevertheless, in specific extreme situations like contact with severe environments or inadequate upkeep, they might show signs of corrosion, though at a slower pace than regular steel.
Stainless steel 308 pipes are chiefly engineered for welding uses within the chemical and food processing sectors owing to their resistance to corrosion and strength at high temperatures. That said, for structural uses that demand strong load-bearing performance, alternative stainless steel grades like 304 or 316 are typically advised. These grades deliver better mechanical characteristics and structural soundness, guaranteeing stability and safety across a range of structural frameworks. Consequently, although stainless steel 308 pipes might be adequate for certain light structural jobs, more appropriate grades are favored for heavier structural uses.
Stainless steel 308 pipes are dimensioned according to their nominal pipe size (NPS), which reflects the approximate inside diameter. Common sizes span from 1/8 inch up to 12 inches, with bigger diameters offered for specialized applications. Wall thickness, schedule, and pressure ratings additionally specify pipe dimensions for particular usage needs.
Stainless steel 308 pipes may be appropriate for underground applications because of their resistance to corrosion. Nevertheless, considerations such as soil makeup, moisture content, and installation techniques must be taken into account to guarantee lasting durability and avoid any possible corrosion or deterioration problems. It is recommended to consult a materials specialist for particular use cases.
| 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 | |||
Email: sales@koasteel.nz