Stainless Steel Pipes and Tubes Manufacturer and Supplier
The stainless steel pipes and tubes are popular in industry and commercial work because they are very strong, resistant to corrosion and long-lasting. They are made of high quality stainless steel alloys that are applicable in taking care of fluids, gases and structural loads in harsh conditions. They are available in different sizes, which makes them available in high-pressure, extreme temperature, and corrosive environments, which are suitable in oil and gas, chemical processing, power generation, food processing, and pharmaceutical industries. Stainless steel pipes and tubes are available in seamless and welded applications in a variety of grades, sizes, and finishes to suit the application requirements of different applications. They have a long service life coupled with minimal maintenance needs and adherence to international standards, thus making them an ideal choice in critical piping systems across the world. Aashish Metal is the best manufacturer and supplier of high-quality stainless steel pipes and tubes that are used by many industries according to their needs.
- Stainless Steel Pipes and Tubes Overview
- Product Forms of Stainless Steel Pipes and Tubes
- Stainless Steel Grades Available
- Manufacturing Standards and Specifications
- Size Range and Schedules
- Chemical Composition of Stainless Steel Pipes and Tubes
- Mechanical Properties of Stainless Steel Pipes and Tubes
- Equivalent Stainless Steel Grades
- Frequently Asked Questions
Stainless Steel Pipes and Tubes Overview
Stainless steel pipes and tubes are valuable due to their good material properties that comprise a high level of corrosion resistance, a high level of mechanical performance, and long service life. They are high-pressure products that can operate in high-temperature and low-temperature environments. They are manufactured in seamless and welded products, with seamless stainless steel pipes, and they suit both critical and general requirements. In heat exchangers, boilers, condensers, and the general service systems, stainless steel tubing is extensively utilized. Being good stainless steel pipe dealers and manufacturers of stainless steel tubes, they are distributed to industrial work as well as big projects based on the use of the products.
Aashish Metal is the best Stainless steel pipes and tubes manufacturer and suppliers in many industries that include the oil and gas, chemical, power, and infrastructure industries based on the international ASTM and ASME standards of quality, safety, and performance.
Available Product Forms of Stainless Steel Pipes and Tubes
Stainless Steel Seamless Pipes
Stainless Steel Welded Pipe
Stainless Steel Seamless Tubing
Stainless Steel Grades Available for Pipes and Tubes
The stainless steel pipes and tubes come in different grades that are used in different industries and some of the most common grades are listed below.
Manufacturing Standards and Specifications
| Standard Body | Standard / Specification | Product | Manufacturing Type |
|---|---|---|---|
| ASTM | ASTM A312 | Pipes | Seamless / Welded |
| ASTM | ASTM A213 | Tubes | Seamless |
| ASTM | ASTM A269 | Tubes | Seamless / Welded |
| ASTM | ASTM A249 | Tubes | Welded |
| ASTM | ASTM A358 | Pipes | Welded (EFW) |
| ASTM | ASTM A554 | Pipes / Tubes | Welded |
| ASTM | ASTM A790 | Pipes | Seamless / Welded (Duplex SS) |
| ASME | ASME SA312 | Pipes | Seamless / Welded |
| ASME | ASME SA213 | Tubes | Seamless |
| EN | EN 10216-5 | Pipes | Seamless |
| EN | EN 10217-7 | Pipes | Welded |
| DIN | DIN 17456 / 17458 | Pipes / Tubes | Seamless / Welded |
| JIS | JIS G3459 | Pipes | Seamless / Welded |
| ISO | ISO 1127 | Pipes / Tubes | Seamless / Welded |
Stainless Steel Pipes and Tubes Size Range
| Product Type | Size Standard | Outside Diameter (OD) | Wall Thickness | Length |
|---|---|---|---|---|
| Pipes | NPS (ASME B36.19) | ½″ to 24″ | Sch 5S – Sch 40S | Up to 6 m |
| Pipes | Metric | 21.3 mm to 610 mm | 1.5 mm – 20 mm | Up to 6 m |
| Tubes | Metric | 6 mm to 114.3 mm | 0.8 mm – 10 mm | Up to 6 m |
| Tubes | Inch | ¼″ to 4½″ | 0.035″ – 0.375″ | Up to 6 m |
Chemical Composition of Stainless Steel Pipes and Tubes
| Grade | C (%) | Cr (%) | Ni (%) | Mo (%) | Mn (%) | P (%) | S (%) |
|---|---|---|---|---|---|---|---|
| A2 (304) | ≤ 0.08 | 17.0 – 19.0 | 8.0 – 10.5 | — | ≤ 2.0 | ≤ 0.045 | ≤ 0.03 |
| A4 (316) | ≤ 0.08 | 16.0 – 18.0 | 10.0 – 14.0 | 2.0 – 3.0 | ≤ 2.0 | ≤ 0.045 | ≤ 0.03 |
| A2-70 / A4-70 | ≤ 0.08 | 17.0 – 19.0 / 16.0 – 18.0 | 8.0 – 10.5 / 10.0 – 14.0 | — / 2.0 – 3.0 | ≤ 2.0 | ≤ 0.045 | ≤ 0.03 |
| Duplex 2205 | ≤ 0.03 | 21.0 – 23.0 | 4.5 – 6.5 | 2.5 – 3.5 | ≤ 2.0 | ≤ 0.03 | ≤ 0.02 |
Mechanical Properties of Stainless Steel Pipes and Tubes
| Property | Typical Range / Value |
|---|---|
| Tensile Strength | 500 – 900 MPa |
| Yield / Proof Strength | 200 – 500 MPa |
| Elongation | 25 – 45 % |
| Hardness | 200 – 300 HV |
| Operating Temperature | Up to 300°C (austenitic), up to 400°C (duplex) |
Equivalent Grades of Stainless Steel Pipes and Tubes
| Type / General Name | ISO / EN / DIN | ASTM / ASME | AISI / UNS | JIS |
|---|---|---|---|---|
| Austenitic Stainless Steel | 1.4301 | ASTM A312 / A213 | S30400 | SUS 304 |
| Austenitic (High Corrosion) | 1.4404 | ASTM A312 / A213 | S31603 | SUS 316 |
| Stabilized Austenitic | 1.4541 / 1.4550 | ASTM A312 / A213 | S32100 / S34700 | SUS 321 / SUS 347 |
| Duplex Stainless Steel | 1.4462 | ASTM A790 / A312 | S31803 / S32205 | SCS14A |
| Super Austenitic / High Alloy | 1.4539 / 1.4565 | ASTM A312 / A789 | S31000 / S31254 | SUS 310 / SUS 254 |
Why Source Stainless Steel Pipes and Tubes from Aashish Metals
The stainless steel pipes and tubes manufactured by Aashish Metal are commonly used by different industries, and the reason for that is listed below.
- Manufacturer and supplier with export experience
- Strict compliance with ASTM and ASME standards
- MTC EN 10204 3.1 provided
- Support for EPC and bulk procurement
- Competitive pricing with reliable lead times
Applications of Stainless Steel Pipes and Tubes
Many industries use stainless steel pipes and tubes due to the fact that they are corrosion-resistant, strong, durable, and can withstand high temperatures. These are best suited to process and structural work where performance is likely to be long-term. Some common uses include:
- Oil and Gas Piping Systems : Oil and gas pipelines industries commonly use these pipes and tubes, because they are highly durable, strong, and resist corrosion even at high pressure and high temperatures.
- Chemical and Petrochemical Plants : They safely work with aggressive chemicals in chemical plants and are therefore ideal in the process lines, reactors and storage systems.
- Heat exchangers and Condensers : Heat exchangers and condensers should be fitted with stainless steel tubes since they are not scaled and have good heat transfer at high temperatures.
- Power Generation Facilities : They are applicable in steam lines, cooling systems, and condensers and are a combination of strength and corrosion resistance to ensure reliability and long-life working conditions.
- Marine and Offshore Structures : Stainless steel pipes are excellent in resisting seawater, hence suitable in offshore platforms, piping and structural components that are subjected to extreme conditions of marine environments.
- Water Treatment Systems : Water treatment and desalination plants should use stainless steel piping to offer high durability and against corrosion and biofouling.
Frequently Asked Questions – Stainless Steel Pipes and Tubes
The common difference between stainless steel pipes and tubes is that Pipes are measured by inside diameter (ID) and used for fluid flow, while tubes are measured by outside diameter (OD) and used for structural or precise applications.
The A4 / 316 stainless steel offers the best corrosion resistance, especially in marine and chemical environments.
Yes, both seamless and welded stainless steel pipes are available.
The common standards include ASTM A213, A269, A249, and EN 10296-2.
Yes, stainless steel pipes can be supplied in custom lengths as per project requirements.
Yes, Material Test Certificates (MTC) and third-party inspection can be provided on request.
For More Information About Stainless Steel Pipes and Tubes please call +91-22-66362223 / 66394926 or send an email to export@aashishmetal.com
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