Pratik Pipe & Fittings is a trustworthy producer and retailer of Stainless Steel 347 Pipes, famous for high-temperature performance and corrosion-resistant features. SS 347 pipes have a relatively increased oxidation-resistant feature in contrast with SS 321 and thus can best be utilized in high-performance environments. With its mechanical property, SS 347 Pipes can best be utilized for high-temperature service and can provide durability and dependability in extreme environments.
One of the biggest assets of stainless steel 347 Pipes is that, in comparison with SS 304 and SS 304L, they exhibit a high level of rupture and creep strength at high temperatures for a long duration, and a high level of sensitization and intergranular corrosion at such temperatures is not a problem for them. Columbium (niobium) and tantalum present in them stabilize the metal, offering a high level of corrosion resistance and a high level of durability in hostile environments.
Alloy 347 pipes have been developed for offering increased intergranular corrosion resistance and, for that reason, can effectively serve industries such as chemical processing, aerospace, and power-generating industries. Composed of nickel and chromium, these pipes can resist high temperatures and maintain shape, offering long-term performance. However, such pipes cannot function effectively in chloride environments and with an environment of sulfuric acid, and such environments can generate pitting and crevice corrosion in them.
For intermittent use between 800°F (427°C) and 1650°F (899°C), Stainless Steel 347 Welded Pipe can serve as a first preference. With excellent weldability and a tolerance for welding temperatures with no post-weld annealing, Stainless Steel 347 Welded Pipe can become a first preference in fabrication processes. However, like most stainless steels with an austenite structure, SS 347 Pipe & Tube cannot become strengthened with heat treatment but can become strengthened with cold working processes. We at Pratik Pipe & Fittings have stainless steel 347 seamless pipes in a variety of dimensions and specifications for use in numerous industries. All our items are designed with high performance, durability, and anti-oxidation in consideration and therefore can best be utilized in use in heat exchangers, parts of furnaces, and refinery equipment. Regardless of whether you seek seamless or welded types, we make a point to produce with high accuracy and maintain high standards of quality.
Specifications | ASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V ASTM A789/A790 |
Dimensions | ASTM, ASME and API |
347 Pipes & Tubes | 1/2" NB - 16" NB |
ERW 347 Pipes & Tubes | 1/2" NB - 24" NB |
EFW 347 Pipes & Tubes | 6" NB - 100" NB |
Size | 1/8″NB TO 30″NB IN |
Specialized in | Large Diameter Size |
Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
Type | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
Form | Round, Square, Rectangular, Hydraulic Etc |
Length | Single Random, Double Random & Cut Length. |
End | Plain End, Beveled End, Treaded |
Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
Rockwell B (HR B) max | Brinell (HB) max | ||||
347 | 515 | 205 | 40 | 92 | 201 |
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
347 | min. | 0.04 | - | - | - | - | 18 | - | 8 | - |
max. | 0.1 | 2 | 0.75 | 0.045 | 0.03 | 20 | 10.5 |
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