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High Temperature Austenitic SS 347 Pipe Cold Rolled with Polished Surface for Boiler Applications

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High Temperature Austenitic SS 347 Pipe Cold Rolled with Polished Surface for Boiler Applications

Certification : AISI, ASTM, EN, DIN

MOQ : 50

Price : 3.85

Model NO. : 347

Shape : Round

Technique : Cold Rolled

Surface Treatment : Polished

Specification : OD 6-630mm

Production Capacity : 500000kgs

Seamless Tube Size : 3.35 mm OD To 101.6 mm OD

Welded Tube Size : 6.35 mm OD To 152 mm OD

Wall Thickness : 0.020" -0.220"

Tube Length : Single Random, Double Random, Standard & Cut length

Tube Finish : Polished, AP, BA, MF

Tube Form : Round, Coil, Square, Rectangular, Boiler, Hydraulic, Straight or 'U' bent Tubes, Hollow, LSAW Tubes

Tube Type : Seamless, ERW, EFW, Welded, Fabricated

I.D. Surface Finish : 5, 7 & 10 µin. Ra

Density : 7.96 g/cm3

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SS 347 / 347H High Temperature Austenitic Stainless Steel Pipe
A312 TP347 stainless steel pipe is a stabilized austenitic alloy designed for high-temperature applications. The material is stabilized against chromium carbide formation through the addition of columbium and tantalum, making it non-magnetic and suitable for boiler tube applications.
SS 347 tubing offers superior creep and stress rupture properties compared to SS 304 and performs exceptionally well in strongly oxidizing environments up to 1500°F (816°C). These pipes demonstrate excellent performance in nitric solutions, most diluted organic acids at moderate temperatures, and in pure phosphoric acid applications.
Specifications and Dimension Ranges
Standards and Certifications
Standard Type Specifications
Stainless Steel 347 Tube Standards ASTM A213, ASTM A249, ASTM A269, ASME SA213, ASME SA249, ASME SA269, EN 10216-5 TC1 / TC2, PED 97/23/EC, AD 2000, NACE MR0175/ISO 15156
347 SEAMLESS Aerospace Tubing AMS 5557, AMS 5897
347 WELDED & DRAWN Aerospace Tubing AMS 5556, AMS 5575
Physical Dimensions
  • Seamless Tube Size: 3.35 mm OD to 101.6 mm OD
  • Welded Tube Size: 6.35 mm OD to 152 mm OD
  • Wall Thickness: 0.020" - 0.220" (special wall thicknesses available)
  • Standard Gauges: 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg.
  • Available Lengths: Single Random, Double Random, Standard & Cut length
Surface Finishes and Forms
  • Finishes: Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF
  • Forms: Round, Coil, Square, Rectangular, Boiler, Hydraulic, Straight or 'U' bent Tubes
  • Types: Seamless, ERW, EFW, Welded, Fabricated
  • I.D. Surface Finish Options: 5, 7 & 10 µin. Ra
Material Properties
Chemical Composition
Element Composition (%)
Carbon 0.08
Chromium 17.00 min. - 19.00 max.
Nickel 9.00 min. - 13.00 max.
Manganese 2.00
Silicon 0.75
Phosphorus 0.045
Sulfur 0.03
Columbium & Tantalum 10 x (C + N) min. - 1.00 max.
Iron Balance
Physical Properties
  • Density: 7.96 g/cm³ (0.288 lbs/in³)
  • Melting Range: 1398 - 1446 °C (2550 - 2635 °F)
  • Rupture Strength: 5510 - 5660 psi (38 - 39 MPa)
Applications
SS 347 tubes are extensively used in offshore drilling, oil and gas industries, petrochemical processing, construction, gas processing, food processing equipment, recuperators, petroleum refining, power generation, pharmaceutical equipment, chemical processing, pulp and paper industries, condensers, heat exchangers, and seawater equipment.
The material demonstrates excellent general corrosion resistance and performs exceptionally well in strongly oxidizing environments. SS 347 is highly ductile, forms easily, and can be welded using most standard processes.
High Temperature Austenitic SS 347 Pipe Cold Rolled with Polished Surface for Boiler Applications High Temperature Austenitic SS 347 Pipe Cold Rolled with Polished Surface for Boiler Applications High Temperature Austenitic SS 347 Pipe Cold Rolled with Polished Surface for Boiler Applications High Temperature Austenitic SS 347 Pipe Cold Rolled with Polished Surface for Boiler Applications

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