Metalloy International is a pioneering supplier and producer of Stainless Steel 347 Heat Exchanger Pipes around the globe. The stainless steel grade SS 347 is an upgraded variant of the stainless steel grade SS 347, with higher carbon content and higher temperature power. The physical and mechanical properties of this grade include high density, yield strength, elongation, and fracture toughness. Heat exchangers made of stainless steel grade SS 347 are ideal for elevated temperature installations. These grades have a corrosion resistance that is equivalent to stabilized chromium grades. It has a high level of general and local corrosion resistance. In general, it is a stabilized stainless steel grade with excellent intergranular corrosion resistance when exposed to high temperatures. In the temperature range of 427 to 816 degrees, it is resistant to chromium carbide precipitation (sensitization).

This grade has a higher creep intensity and tension rupture property than grade 304. We also ensure that SS 347 Heat Exchanger Pipes are thoroughly tested under the oversight of quality experts and that clients get the initial records of the checks performed on the goods.

In halide conditions, Alloy 347 is vulnerable to stress corrosion cracking. Because of the nickel material in it. Since it comprises alloying components, it can be used in pitting and crevice corrosion conditions. As compared to traditional grades, it has better oxidation resistance. The heat treatment method produces the desired physical characteristics. When alloy 347 is annealed, it is normally non-magnetic; but, when subjected to cold operating operations, it becomes mildly magnetic.

It has a high degree of cold work tightening. The alloy's hot formation temperature varies from 2100 to 2250 degrees Fahrenheit, making it suitable for production. It's quenched or completely annealed right away to keep its mechanical properties. Weldability, machinability, formability, and fabricability are all positive qualities of these SS 347 Heat Exchanger Pipes.

Metalloy International performs a variety of checks on these items to ensure that they follow both national and international requirements. Natural circulation stability tests, PMI tests, hardness tests, Thermal efficiency tests, and chemical tests are among the tests we promote.

Specifications: ASTM A312 / ASME SA312

Dimensional : ASTM, ASME and API

Range: 6.35 Mm OD to 273 Mm OD

Outer Diameter: 9.52 mm O.D to 50.80 mm O.D

Thickness: 0.70 mm to 12.70 mm

Trade Name: Precision Pipe, Welded Stainless Steel U Bending Pipe, Heat exchanger, boiler, heater Piping

Manufacturing Techniques: Seamless / Welded / ERW / Fabricated / CDW / 100% X Ray Welded

Schedule Thickness Range:SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS

End Types : Plain End, Beveled End, Treaded One End, TBE (Treaded Both Ends)

Delivery Condition of SS Heat Exchanger Pipe : Annealed and Pickled, Polished, Bright Annealed, Cold Drawn

Surface Finish: No.1, No.4, No.8 Mirror Finish, 2B

Value Added Services: Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing

Packing: Packed in Wooden Boxes, Bubble wraps, Steel Strips Bundled, or as per Customers Requests

Stainless Steel 347 Seamless Heat Exchanger Pipes
SS 347 Seamless Heat Exchanger Pipes
Stainless Steel 347 Welded Heat Exchanger Pipes
SS 347 Welded Heat Exchanger Pipes
Stainless Steel 347 U Bending Heat Exchanger Pipes
SS 347 U Bending Heat Exchanger Pipes
Stainless Steel 347 Oval Heat Exchanger Pipes
SS 347 Oval Heat Exchanger Pipes
Stainless Steel 347 U Shape Heat Exchanger Pipes
SS 347 U Shape Heat Exchanger Pipes
Stainless Steel 347 Heat Exchanger Boiler Pipes
SS 347 Heat Exchanger Boiler Pipes
STANDARD WERKSTOFF NR. UNS JIS GOST EN
SS 347 1.4550 S34700 SUS 347 08Ch18N12B X6CrNiNb18-10
Grade C Mn Si P S Cr Cb Ni Fe
SS 347 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 - 20.00 10xC – 1.10 9.00 - 13.00 62.74 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 %
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