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347 Stainless Steel Pipe

347 Stainless Steel Pipe Specification

Product Type
Pipe

Connection
Plain, Beveled, Threaded Ends

Other Material
Available on request

Surface Finish
Manual Polish

End Protector
Plastic Cap

Application
Petrochemical Industries, Chemical Equipment, Oil and Gas, Power Generation, Food Processing

Alloy
Yes, stabilized with Columbium (Nb)

Material
Stainless Steel

Steel Grade
A

Type
Seamless/Welded

Shape
Round

Standard
ASTM A312/A213/A269, ASME SA312/SA213/SA269

Grade
AISI 347/UNS S34700

Surface Treatment
Bright Annealed, Passivated

Technique
Cold Drawn/Hot Rolled

Thickness
Sch 5S to Sch XXS (1.65 mm to 20 mm)

Outer Diameter
6 mm to 630 mm

Length
Up to 12 meters or custom

Tolerance
10%

Color
Silver, Metallic

Heat Treatment
Solution Annealed at 10101120C

Corrosion Resistance
Excellent to intergranular corrosion

Tensile Strength
515 MPa min

Density
7.98 g/cm

Elongation
40% min

Export Packaging
Wooden Box, HDPE Bag ends capped

Hardness
Rockwell B95 max

Yield Strength
205 MPa min

Melting Range
1398C 1446C

Pipe Certification
EN 10204/3.1B, NACE MR0175

Minimum Order Quantity
As per requirement

347 Stainless Steel Pipe Trade Information

Minimum Order Quantity
500 Ten Gross

Supply Ability
10 Per Month

Delivery Time
1 Days

Main Export Market(s)
Africa, Australia, Middle East, Asia, Central America, North America, South America, Eastern Europe, Western Europe

Main Domestic Market
All India

About 347 Stainless Steel Pipe

347 Stainless Steel Pipe offers good strength and toughness, allowing it to withstand mechanical stress and pressure. This has high tensile strength and can maintain its structural integrity even under demanding conditions. 347 Stainless Steel Pipe is readily weldable using standard welding techniques. This can be welded using processes such as TIG (Tungsten Inert Gas) or MIG (Metal Inert Gas) welding. It can withstand elevated temperatures without losing its mechanical properties, making it suitable for applications in heat exchangers.

Exceptional Corrosion Resistance

The 347 Stainless Steel Pipe stands out for its excellent resistance to intergranular corrosion, making it highly suitable for demanding environments found in petrochemical, chemical, oil and gas, power generation, and food processing industries. Its columbium stabilization further enhances performance during repeated heating cycles and exposure to harsh chemicals.

Versatile Specifications for Custom Needs

These pipes are fabricated according to ASTM and ASME standards with customizable thickness (Sch 5S to Sch XXS), diameter (6 mm-630 mm), and length (up to 12 meters or as requested). Both seamless and welded options are available, with plain, beveled, or threaded ends to fit various project demands.

Trusted Quality and Certified Reliability

Every 347 Stainless Steel Pipe carries comprehensive quality certifications like EN 10204/3.1B and NACE MR0175, ensuring compliance for critical applications. Pipes undergo strict inspection for tolerance (10%) and packing, guaranteeing safe, damage-free delivery with export packaging such as wooden boxes and HDPE bags with capped ends.

FAQ's of 347 Stainless Steel Pipe:

Q: How is 347 Stainless Steel Pipe manufactured to ensure excellent corrosion resistance?

A: The pipe is made from AISI 347 stainless steel, stabilized with columbium (Nb), and solution annealed at 1010-1120C. This process prevents chromium carbide precipitation, boosting resistance to intergranular corrosion even after frequent temperature fluctuations.

Q: What certifications accompanies 347 Stainless Steel Pipes and why are they important?

A: Each pipe is supplied with EN 10204/3.1B and NACE MR0175 certification. These documents verify material traceability and compliance with international standards, essential for industrial safety and quality assurance in petrochemical and chemical processing sectors.

Q: When should 347 Stainless Steel Pipes be used over other stainless steels?

A: 347 pipes are recommended for applications where materials will face cyclic heating and cooling or require protection from intergranular corrosion, such as in heat exchangers, refinery equipment, and power generation systems.

Q: Where can 347 Stainless Steel Pipes be installed most effectively?

A: These pipes are suitable for use in petrochemical plants, chemical processing equipment, oil and gas transmission, power generation, and food processing facilities due to their durability under corrosive and high-temperature conditions.

Q: What is the process for ordering customized 347 Stainless Steel Pipes?

A: Customers can specify outer diameter (6 mm-630 mm), thickness (1.65 mm-20 mm), length (up to 12 meters), connection type, and surface finish. Manufacturers and suppliers handle production based on requirement, ensuring tailored solutions for every project.

Q: How are 347 Stainless Steel Pipes packaged for export to ensure product integrity?

A: The pipes are securely packed in wooden boxes, with HDPE bagged ends that are capped or fitted with plastic protectors. This ensures the pipes are protected from physical damage, moisture, and contamination during transit and storage.

Q: What are the advantages of using 347 Stainless Steel Pipe in industrial applications?

A: The main benefits include long-lasting corrosion resistance, high mechanical strength (tensile: 515 MPa, yield: 205 MPa), excellent heat resistance, customizable size options, and certified reliability-making them ideal for critical and aggressive service conditions.