Home > Stainless Steel > Stainless Steel 347 Pipe
Unlock the pinnacle of reliability and performance with Stainless Steel 347 Pipes featured on our product pages. Discover a complete selection of intricately engineered solutions designed to meet varied industrial needs. Built with painstaking attention to detail, our SS 347 Pipes conform to strict industry standards, delivering unrivaled durability and protection against corrosion. As a trusted supplier, we place customer satisfaction first by offering customizable options, competitive rates, and timely delivery services. Whether powering construction, infrastructure, or industrial projects, our stainless steel pipes exceed expectations, setting fresh standards for quality. Elevate your applications with our steadfast commitment to excellence and innovation, ensuring reliability at every step.
| Standard | ASTM A312, A358 / ASME SA312, SA358 |
| 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 |
| Thickness | 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Type | Seamless / ERW / Welded / Fabricated Pipes |
| Form | Round, Square, Rectangular, Oval, Hydraulic Etc |
| Length | Single Random, Double Random & Required Length |
| End | Plain End, Beveled End, Treaded |
| Outside Finish | 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Pipes, Finish as per customer Requirements |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
| SS 347 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 18.00 – 20.00 | 3.00 – 4.00 | 11.00 – 15.00 | 57.845 min |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1454 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every one of your piping requirements. With cutting-edge manufacturing facilities strategically situated in the New Zealand, we hold 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 requirement.
We supply these Stainless Steel 347 Pipe in accordance with DIN, ISO, JIS or ANSI Standard.
High Temperature Resistance: Stainless steel 347 pipes are built to endure elevated temperatures, which makes them a good fit for high-temperature uses such as refineries, chemical plants and hot operating environments
Corrosion resistance: These pipes offer outstanding resistance to corrosion, particularly in settings where acids, alkalis, and chloride levels are present. Such corrosion-resistant qualities make them well suited for chemical processing, oil and gas and other sectors, as well as marine settings.
Durability: Stainless steel 347 pipes are highly rugged and long-lasting, even under severe conditions. Their robust chemical composition resists corrosion, which helps prolong their service life.
Easy to manufacture: Stainless steel 347 pipes can be readily fabricated and shaped using standardized techniques, streamlining installation and maintenance work. This makes it an economical choice with respect to labor and time . . . .
Low maintenance: Owing to their corrosion resistance and toughness, stainless steel 347 pipe needs very little upkeep across its service life, cutting down on downtime and maintenance.
Hygienic characteristics: Stainless steel is naturally sanitary, which makes it appropriate for use in sectors like food and beverage production, pharmaceuticals and healthcare, where cleanliness matters.
Stainless Steel 347 Pipes have applications as varied as the sectors they support, led chiefly 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.
Chemical applications:Stainless steel 347 pipes resist corrosion and withstand high temperatures, which makes them well-suited for chemical plants where volatile chemicals and extreme temperatures are frequently encountered
Finishing products:Because these products offer strong thermal stability and resist corrosion from a variety of chemicals, they are employed in finishing operations such as oil refining and petrochemical processing
Power Generation:These pipelines serve power generation facilities, including conventional generators and nuclear power plants, where heat and pressure are transferred above uses
Aerospace Industry:Stainless steel 347 pipe is used within the aerospace industry for materials that demand high strength along with resistance to corrosion and high temperatures
Automotive Industry:Within the automotive industry, it is applied in vehicle exhaust systems and other uses that call for resistance to high temperatures and corrosion.
Food Processing:Stainless steel 347 pipe is used in the food processing industry to carry food and water thanks to its hygienic, corrosion-resistant and easy-to-clean qualities
Heat exchangers:They are employed in heat exchangers owing to their resistance to high temperatures and to corrosion from various liquids
Chemical Transport:Stainless steel 347 pipelines are also relied upon to move various chemicals in industries such as pharmaceuticals, crops and specialty chemicals because of their corrosion resistance
Construction:In construction applications, stainless steel 347 pipes are used for building purposes, such as sleeves, supporting frames and decorative elements, owing to their aesthetics, durability and corrosion resistance
Properties: Stainless steel 347 is a type of austenitic stainless steel alloy made with chromium and nickel. It also contains columbium (niobium), which improves its resistance to intermembrane corrosion. Be sure the pipe you select conforms to the necessary chemical standards.
Function: Defines the intended use for the pipe. Stainless steel 347 is typically chosen for high-temperature applications due to its outstanding tensile strength and resistance to oxidation. Confirm that the pipe is appropriate for the temperature, pressure, and surrounding conditions where it will be placed.
Size and Design: Take into account the size and thickness of the pipe required for your project or application. This covers the outer diameter, wall thickness, and length of the pipe. Verify that the pipe’s form aligns with your specifications and standards.
Quality and Standards: Make certain that stainless steel 347 pipe complies with applicable industry standards and specifications, including ASTM, ASME, or other international standards. Review certifications and quality records to confirm the pipe is dependable and functional.
Corrosion resistance: Stainless steel 347 offers outstanding corrosion resistance, particularly in high-humidity settings. Examine the pipe’s corrosion resistance and confirm that it can endure corrosive materials or conditions.
Weldability: If welding is needed for your application, take into account the weldability of stainless steel 347 pipe. Stainless steel 347 can generally be welded using conventional welding methods, but adhering to your particular welding schedule is important.
Supplier Name: Select a trustworthy supplier or manufacturer recognized for delivering quality stainless steel pipe. Look into customer reviews, certifications, and industry listings to make sure you obtain the pipe from a dependable source.
Cost Consideration: Assess how the pricing of stainless steel 347 pipe measures up against your budget and project requirements. Factor in not just the initial purchase cost but also durability and maintenance expenses.
Stainless steel 347 pipes are dimensioned according to their nominal pipe size (NPS), a value that corresponds to the approximate inside diameter. Typical sizes span from 1/8″ to 48″. Each pipe is defined by both its NPS and a schedule number, which denotes the wall thickness, using schedules such as SCH 5, 10, 40, and 80.
Stainless steel 347 pipes are suitable for structural applications based on the particular needs. Although they provide outstanding corrosion resistance and strong high-temperature performance, whether they work structurally comes down to factors such as load, environment, and design specifications. It is advisable to consult a structural engineer for proper evaluation and application.
Stainless steel 347 pipes may be appropriate for natural gas uses thanks to their resistance to corrosion and their performance at high temperatures. That said, whether they are compatible hinges on factors such as pressure, temperature, and local regulations. It is important to consult industry standards and take specific application needs into account to guarantee safe and effective use.
Stainless Steel 310 pipes are suitable for underground use when appropriate precautions are taken. They deliver superb corrosion resistance, though aspects such as soil composition, moisture content, and the risk of damage need to be taken into account. Suitable protective measures, including coatings or cathodic protection, might be required to guard against corrosion in below-ground settings.
Nominal 347 Seamless pipes Size | WT | OD | Weight | Weight | |||
milimeter | inch | inch | milimeter | kilogram/Meter | Sched | Lb/ft | |
1/2″ | 2.769 | 0.0109 | 0.0840 | 21 | 1.268 | 40 STD | 0.0851 |
3.734 | 0.0147 | 1.621 | 80 STD | 1.088 | |||
3/4″ | 2.870 | 0.0113 | 1.050 | 27 | 1.684 | 40 STD | 1.131 |
3.912 | 0.0154 | 2.195 | 80 STD | 1.474 | |||
1″ | 3.378 | 0.0133 | 1.315 | 33 | 2.501 | 40 STD | 1.679 |
4.547 | 0.0179 | 3.325 | 80 STD | 2.172 | |||
1 1/4″ | 3.556 | 0.0140 | 1.660 | 42 | 3.385 | 40 STD | 2.273 |
4.851 | 0.0191 | 4.464 | 80 STD | 2.997 | |||
1 1/2″ | 3.683 | 0.0145 | 1.900 | 48 | 4.048 | 40 STD | 2.718 |
5.080 | 0.0200 | 5.409 | 80 STD | 3.361 | |||
2″ | 3.912 | 0.0154 | 2.375 | 60 | 5.441 | 40 STD | 3.653 |
5.537 | 0.0218 | 7.480 | 80 STD | 5.022 | |||
2 1/2″ | 5.516 | 0.0203 | 2.875 | 73 | 8.629 | 40 STD | 5.793 |
7.010 | 0.0276 | 11.411 | 80 STD | 7.661 | |||
3″ | 5.486 | 0.0216 | 3.500 | 89 | 11.284 | 40 STD | 7.576 |
7.620 | 0.0300 | 15.272 | 80 STD | 10.0253 | |||
4″ | 6.020 | 0.0237 | 4.500 | 114 | 16.073 | 10.0790 | |
8.560 | 0.0337 | 22.318 | 14.983 | ||||
6″ | 4.775 | 0.0188 | 6.625 | 168 | 19.252 | 12.924 | |
5.516 | 0.0203 | 20.0739 | 13.923 | ||||
5.563 | 0.0219 | 22.318 | 14.983 | ||||
6.350 | 0.0250 | 25.354 | 17.021 | ||||
7.112 | 0.0280 | 58.263 | 40 STD | 18.974 | |||
7.925 | 0.0312 | 31.334 | 21.036 | ||||
9.525 | 0.0375 | 37.285 | 25.031 | ||||
10.0973 | 0.0432 | 42.561 | 80 XHY | 28.573 | |||
12.700 | 0.0500 | 48.719 | 32.708 | ||||
8″ | 4.775 | 0.0188 | 8.625 | 219 | 25.233 | 16.940 | |
5.156 | 0.0203 | 27.198 | 18.259 | ||||
5.563 | 0.0219 | 29.286 | 19.661 | ||||
6.350 | 0.0250 | 33.308 | 20 | 22.361 | |||
7.036 | 0.0277 | 36.786 | 30 | 24.696 | |||
8.179 | 0.0322 | 42.352 | 40 | 28.554 | |||
9.525 | 0.0375 | 49.216 | 33.041 | ||||
10.0312 | 0.0406 | 53.085 | 60 | 35.638 | |||
12.700 | 0.0500 | 64.627 | 80 XHY | 43.388 | |||
10″ | 4.775 | 0.0188 | 10.0750 | 273 | 31.588 | 21.207 | |
5.563 | 0.0219 | 36.689 | 24.631 | ||||
6.350 | 0.0250 | 41.759 | 20 | 28.035 | |||
7.798 | 0.0307 | 51.002 | 30 | 34.240 | |||
8.738 | 0.0344 | 56.946 | 38.231 | ||||
9.271 | 0.0365 | 63.301 | 40 STD | 40.0483 | |||
11.125 | 0.0438 | 71.852 | 48.238 | ||||
12.700 | 0.0500 | 81.530 | 60 XHY | 54.735 | |||
15.088 | 0.0594 | 95.969 | 80 | 64.429 | |||
12″ | 4.775 | 0.0188 | 12.750 | 324 | 37.570 | 25.222 | |
5.563 | 0.0219 | 43.657 | 29.309 | ||||
6.350 | 0.0250 | 49.713 | 33.375 | ||||
7.137 | 0.0281 | 55.739 | 37.420 | ||||
7.925 | 0.0312 | 61.735 | 41.445 | ||||
9.525 | 0.0375 | 73.824 | 49.562 | ||||
10.0312 | 0.0406 | 79.727 | 53.525 | ||||
12.700 | 0.0500 | 97.438 | 65.415 | ||||
14.275 | 0.0562 | 108.966 | 73.154 | ||||
14″ | 4.775 | 0.0188 | 14.000 | 356 | 41.308 | 27.732 | |
5.563 | 0.0219 | 48.012 | 32.233 | ||||
6.350 | 0.0250 | 54.685 | 20 | 36.713 | |||
7.137 | 0.0281 | 61.327 | 41.172 | ||||
7.925 | 0.0312 | 67.939 | 45.611 | ||||
9.525 | 0.0375 | 81.281 | STD | 54.568 | |||
11.125 | 0.0438 | 94.498 | 40 | 63.441 | |||
12.700 | 0.0500 | 107.381 | XHY | 72.090 | |||
15.875 | 0.0625 | 132.983 | 89.278 | ||||
16” | 4.775 | 0.0188 | 16.000 | 406 | 47.290 | 21.748 | |
5.563 | 0.0219 | 54.980 | 36.910 | ||||
6.350 | 0.0250 | 62.639 | 10 | 42.053 | |||
7.137 | 0.0281 | 70.0268 | 47.174 | ||||
7.925 | 0.0312 | 77.866 | 20 | 52.275 | |||
8.738 | 0.0344 | 85.677 | 57.519 | ||||
9.525 | 0.0375 | 93.213 | 30 STD | 62.578 | |||
11.125 | 0.0438 | 108.433 | 72.797 | ||||
12.700 | 0.0500 | 123.289 | 40 XHY | 82.770 | |||
18″ | 5.563 | 0.0219 | 18.000 | 457 | 61.948 | 41.588 | |
6.350 | 0.0250 | 70.0593 | 47.393 | ||||
7.137 | 0.0281 | 79.208 | 53.176 | ||||
7.925 | 0.0312 | 87.792 | 20 | 58.939 | |||
9.525 | 0.0375 | 105.144 | STD | 70.0588 | |||
11.125 | 0.0438 | 122.369 | 30 | 82.152 | |||
12.700 | 0.0500 | 139.198 | XHY | 93.450 | |||
14.275 | 0.0562 | 155.904 | 40 | 104.666 | |||
15.875 | 0.0625 | 172.754 | 115.978 | ||||
20″ | 6.350 | 0.0250 | 20.0000 | 508 | 78.547 | 52.733 | |
7.163 | 0.0282 | 88.458 | 59.386 | ||||
7.925 | 0.0312 | 97.719 | 65.604 | ||||
9.525 | 0.0375 | 117.075 | 20 STD | 78.598 | |||
11.125 | 0.0438 | 136.305 | 91.508 | ||||
12.700 | 0.0500 | 155.106 | 30 XHY | 104.130 | |||
15.088 | 0.0594 | 183.378 | 40 | 123.110 | |||
15.875 | 0.0625 | 192.640 | 129.328 | ||||
17.475 | 0.0688 | 211.368 | 141.901 | ||||
24″ | 6.350 | 0.0250 | 24.000 | 610 | 94.456 | 63.413 | |
7.137 | 0.0281 | 106.029 | 71.183 | ||||
7.925 | 0.0312 | 117.573 | 18.932 | ||||
9.525 | 0.0375 | 140.0938 | 20 STD | 64.618 | |||
11.125 | 0.0438 | 164.176 | 110.0219 | ||||
12.700 | 0.0500 | 186.923 | XHY | 125.490 | |||
15.875 | 0.0625 | 232.410 | 156.028 | ||||
17.475 | 0.0688 | 255.148 | 40 | 171.293 | |||
19.050 | 0.0750 | 277.401 | 186.233 | ||||
30″ | 6.350 | 0.0250 | 30.0000 | 762 | 118.318 | 79.433 | |
7.137 | 0.0281 | 132.851 | 89.189 | ||||
7.925 | 0.0312 | 147.353 | 10 | 98.925 | |||
9.525 | 0.0375 | 176.731 | STD | 118.648 | |||
11.125 | 0.0438 | 205.983 | 138.286 | ||||
12.700 | 0.0500 | 234.647 | 20 XHY | 157.530 | |||
15.875 | 0.0625 | 292.066 | 30 | 196.078 | |||
17.475 | 0.0688 | 320.0817 | 215.380 | ||||
19.050 | 0.0750 | 348.988 | 234.293 | ||||
36″ | 6.350 | 0.0250 | 36.000 | 914 | 142.180 | 95.453 | |
7.137 | 0.0281 | 159.672 | 107.196 | ||||
7.925 | 0.0312 | 177.133 | 10 | 118.918 | |||
9.525 | 0.0375 | 215.525 | STD | 142.678 | |||
11.125 | 0.0438 | 247.790 | 166.353 | ||||
12.700 | 0.0500 | 282.372 | 20 XHY | 198.570 | |||
15.875 | 0.0625 | 351.723 | 236.128 | ||||
17.475 | 0.0688 | 386.487 | 259.467 | ||||
19.050 | 0.0750 | 420.0576 | 282.353 | ||||
42″ | 7.925 | 0.0312 | 42.000 | 1067 | 206.914 | 138.911 | |
9.525 | 0.0375 | 248.319 | STD | 166.708 | |||
12.700 | 0.0500 | 33.097 | XHY | 221.610 | |||
19.050 | 0.0750 | 492.163 | 330.0413 | ||||
48″ | 9.525 | 0.0375 | 48.000 | 1219 | 284.112 | STD | 190.0738 |
11.125 | 0.0438 | 331.404 | 222.487 | ||||
12.700 | 0.0500 | 377.822 | XHY | 253.650 | |||
19.050 | 0.0750 | 563.750 | 378.473 | ||||
22.225 | 0.0875 | 655.969 | 440.0383 | ||||
Email: sales@koasteel.nz