Stainless Steel 347 / 347H Pipes Manufacturer, SS 347 / 347H Seamless Pipes, Stainless Steel 347 / 347H Welded Pipes, ASTM A312 Stainless Steel 347 / 347H Pipes, ASTM A358 Stainless Steel 347 / 347H EFW Pipes.
Bombay Metal Corporation is a trusted supplier and exporter of high-quality Stainless Steel 347 / 347H Pipes, manufactured to deliver reliable performance in high-temperature and demanding industrial environments. These stainless steel grades are widely recognized for their excellent resistance to intergranular corrosion, superior oxidation resistance, and strong mechanical properties at elevated temperatures. Stainless Steel 347 and 347H are niobium-stabilized austenitic stainless steel alloys specially designed for applications involving continuous thermal exposure and high-temperature service conditions, making them highly suitable for critical industrial operations.
Stainless Steel 347 / 347H Pipes are extensively used in industries that require durable and heat-resistant piping systems. These pipes are commonly utilized in petrochemical plants, power generation facilities, refineries, chemical processing industries, heat exchangers, boiler systems, and high-temperature exhaust applications. Their exceptional resistance to oxidation, scaling, and thermal stress makes them ideal for heavy-duty industrial and engineering applications operating under elevated temperature conditions.
At Bombay Metal Corporation, we supply Stainless Steel 347 / 347H Pipes in compliance with international quality standards such as ASTM A312 and ASTM A358. Our pipes are manufactured using advanced production techniques and premium-grade raw materials to ensure accurate dimensions, smooth surface finish, superior durability, and dependable performance. We offer these pipes in various forms including seamless pipes, welded pipes, ERW pipes, and EFW pipes in a wide range of sizes, thicknesses, and specifications to meet diverse industrial and commercial requirements.
Stainless Steel 347 / 347h Pipes Suppliers in Bangalore
Stainless Steel Pipes and Tubes
ASTM A312 / A312M – This specification covers the standard requirements for SStainless Steel 347 / 347H Pipes , including seamless, welded, and heavily cold-worked austenitic stainless steel pipes intended for high-temperature service and general corrosive applications. These pipes are widely used in chemical processing, food and beverage, pharmaceutical, petrochemical, and power generation industries due to their excellent corrosion resistance, durability, and reliable performance.
ASTM A312 / A312M – This specification covers Stainless Steel 347 / 347H Pipes intended for use in pressure systems, boilers, heat exchangers, and other critical industrial applications where excellent corrosion resistance, high-temperature strength, and dependable mechanical properties are essential. These pipes are widely used in petrochemical plants, pharmaceutical processing, food industries, and power generation facilities due to their outstanding durability and long service life.
ASTM A312 / A312M – This specification coversStainless Steel 347 / 347H Pipes used in pressure systems, heat exchangers, boilers, and other critical industrial applications where reliable corrosion resistance, high-temperature strength, and strong mechanical performance are essential. These pipes are widely applied in chemical processing, petrochemical industries, power plants, pharmaceuticals, food processing, and water treatment systems, ensuring durability, safety, and long service life in demanding environments.
Stainless Steel 347 / 347H Pipes are highly reliable and extensively used in industrial and engineering applications due to their excellent heat resistance, superior mechanical strength, and exceptional resistance to intergranular corrosion. Bombay Metal Corporation (BMC) is a trusted manufacturer, supplier, and exporter of Stainless Steel 347 / 347H Pipes, offering a comprehensive range of sizes, grades, and specifications to meet diverse industrial requirements.
We provide a wide selection of Stainless Steel 347 / 347H Pipes that are commonly used in petrochemical industries, heat exchangers, power generation plants, refineries, chemical processing units, boiler systems, and high-temperature exhaust applications. Our Stainless Steel 347 / 347H Pipes are available in seamless, welded, ERW, and fabricated forms with customized sizes, wall thicknesses, finishes, and specifications to ensure excellent performance, long service life, and dependable operation in demanding high-temperature industrial environments.
Designed to meet the demanding requirements of modern industries, our range of Stainless Steel 347 / 347H Pipes is available in a wide variety of sizes, wall thicknesses, and specifications suitable for diverse high-temperature and industrial applications. These pipes are manufactured to provide excellent heat resistance, superior mechanical strength, and exceptional resistance to intergranular corrosion, making them highly suitable for elevated temperature environments and critical industrial operations.
Stainless Steel 347 / 347H Pipes are available in multiple forms including seamless pipes, welded pipes, ERW pipes, and fabricated pipe solutions, offered in different lengths, finishes, and pressure ratings. We also provide customized piping solutions according to specific client requirements to ensure accurate compatibility with fabrication, installation, welding, and industrial processing applications.
Stainless Steel 347 / 347H is widely used in industries such as petrochemical plants, power generation facilities, refineries, heat exchanger systems, furnace manufacturing, chemical processing industries, and high-temperature exhaust systems. Its exceptional resistance to oxidation, thermal stress, and intergranular corrosion, combined with excellent durability and reliable performance, makes it an ideal choice for critical piping systems requiring long service life and consistent operational efficiency in demanding high-temperature industrial conditions.
Stainless Steel 347 / 347h Pipes
| Grade | Stainless Steel 347 / 347h Pipes |
| Specification | ASTM A312 / ASTM A358 / ASTM A778 (as applicable) |
| Types | Seamless Pipes, Welded Pipes, ERW Pipes, EFW Pipes, Fabricated Pipes, Heat Exchanger Tubes, and Custom Pipe Solutions etc. |
| Form | Stainless Steel Seamless Pipes, Welded Pipes, ERW Pipes, EFW Pipes, Round Pipes, Heavy Wall Pipes, Thin Wall Pipes, High Pressure Pipes, Heat Exchanger Tubes, and Industrial Pipe Forms etc. |
| Thickness | As per schedule (Sch 5 to Sch 160) and customized wall thickness requirements |
| Width |
Available in customized outer diameter (OD) as per application and industry standards |
| Length | 2000mm, 2440mm, 3000mm, 6000mm, or cut lengths as per customer requirement |
| Finish | Mill Finish, Polished, Pickled, Annealed, Bright Annealed, and Custom Surface Finishes |
Equivalent Grades Of Stainless Steel 347 / 347h Pipes:
| STANDARD | WERKSTOFF NR. | UNS | GOST | EN | AFNOR | JIS | BS |
| SS 3147 | – | S30400 | – | 1.4310 | – | SUS 340 | – |
Stainless Steel 347 / 347h Pipes Chemical Composition:
| Grade | C | Mn | Si | P | S | Cr | Cu | Ni | N |
| SS 347 |
0.15 max | 5.5 – 7.5 | 0.75 max | 0.060 max | 0.030 max | 13.50 – 15.00 | 0.8% max | 1.02- 1.28 | 0.25 min |
Stainless Steel 347 / 347h Pipes Mechanical Properties:
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.90 g/cm³ | 1400–1420 °C (2550–2590 °F) | 515–1300 MPa | 205–965 MPa | 10%–40% |
Industries and Applications Where Our Stainless Steel 347 / 347h Pipes Are Used:-
Stainless Steel 347 / 347H Pipes are widely utilized in applications that require excellent heat resistance, superior mechanical strength, and reliable performance in high-temperature industrial environments.
Major Applications of Stainless Steel 347 / 347H Pipes
Petrochemical & Chemical Industry
- Chemical processing pipelines
- High-temperature process systems
- Heat exchanger and condenser tubing
- Corrosion and oxidation-resistant applications
Power Generation Industry
- Boiler and steam piping systems
- Thermal power plant applications
- Heat exchanger systems
- Auxiliary industrial piping networks
Furnace & Heat Treatment Industry
- Furnace piping systems
- Heat treatment equipment
- High-temperature processing units
- Thermal handling applications
Automotive & Exhaust Systems
- Exhaust manifolds and piping systems
- High-temperature engine components
- Thermal processing assemblies
- Heat-resistant automotive applications
Industrial & Engineering Applications
- Industrial fabrication systems
- High-temperature structural piping
- Refinery and processing plant applications
- Heavy-duty engineering equipment
Stainless Steel 347 / 347H Pipes are highly preferred for their exceptional resistance to oxidation, intergranular corrosion, and thermal stress, along with excellent durability and long-lasting performance. These qualities make them ideal for critical industrial, engineering, and heat-processing applications where reliability, heat resistance, safety, and extended service life are essential.
Cities/Area we deliver to:-
Peenya, Bangalore, Nelamangala, Dabaspet, Anekal, Arasikere, Badami, Bagalkot, Ballari, Bangarapete, Belgaum, Bellary, Beluru, Bhadravati, Bhatkal, Bidar, Bijapur, Bommasandra,, Challakere, Channapatna, Chikmagalur, Chintamani, Chitradurga, Dakshina, Kannada, Dandeli, Davanagere, Devanahalli, Dharwad, Doddaballapura, Electronic City,, Gadag, Gangavati, Gulbarga, Harapanahalli, Harihara, Harohalli, Hassan, Haveri, Hiriyur, Honnavar, Hosadurga, Hospet, Hubli, Hulsoor, Hunasuru, Joida, Kadur, Kalburgi, Kanakapura, Karkala, Karwar, Kengeri, Kolar, Koppal, Krishnarajanagara, Krishnarajpet, Kundapura, Kunigal, Kushalanagara, Maddur, Madikeri, Magadi, Mandya, Mangalore, Moodbidri, Mudhol, Mundgod, Mysore, Puttur, Raichur, Ranebennuru, Robertsonpet, Sakleshpura, Shimoga, Siddapura, Sira, Sirsi, Somawarapete, Srinivasapura, Srirangapattana, Tiptur, Tumkur, Udupi, Virajapete, Yelahanka, Chennai, Coimbatore, Erode, Goa, Hosur, Kanchipuram, Karur, Krishnagiri, Madurai, Nagapattinam, Pondicheery, Pudukkottai, Ranipet, Salem, Thanjavur, Thoothukkudi, Tiruchirappalli, Tirunelveli, Tirupathur, Tiruppur. Tiruvannamalai, Vellore, Virudhunagar
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