Stainless Steel 347 / 347H Forged Fittings


Arrow Piping Solutions is a trusted manufacturer and supplier of SS 347 / 347H Forged Fittings, widely used for high-temperature and corrosive service conditions. The addition of columbium and tantalum in this alloy enhances resistance to intergranular corrosion and provides exceptional creep strength and durability.


We supply SS 347 / 347H Forged Fittings in a wide range of sizes, thicknesses, and custom specifications. With our in-house advanced machinery and skilled professionals, we ensure each fitting offers high tensile strength, excellent weldability, and long service life under extreme industrial conditions.


SS 347 Forged Fittings

Stainless Steel 347 / 347H Forged Fittings Range:


  • SS 347 / 347H Forged Coupling
  • SS 347 / 347H Hex Bushing
  • Stainless Steel 347 / 347H Plug
  • Stainless Steel 347 High Pressure Forged Pipe Fittings
  • ASTM A182 SS 347 Threaded Union
  • 347H Stainless Steel Socketweld 45° Elbow
  • SS 347 / 347H 90° Socket Weld Cross
  • Stainless Steel 347 / 347H Threaded Elbow
  • Stainless Steel 347 Screwed Half Coupling
  • Stainless Steel 347 S/W Reducing Tee
  • Stainless Steel 347 Threaded Cap

Specifications

SpecificationASTM A182 / ASME SA182
Dimension StandardsASME B16.11, MSS-SP-79, MSS-SP-83, MSS-SP-95, MSS-SP-97, BS3799
Size Range1/8" NB to 4" NB
TypeSocketweld, Screwed-Threaded (NPT/PT)
Pressure RatingThreaded: 2000 / 3000 / 6000 LBS
Socketweld: 3000 / 6000 / 9000 LBS

Equivalent Grades

STANDARDWERKSTOFF NR.UNSJISEN
SS 3471.4550S34700SUS 347X6CrNiTi18-10
SS 347H1.4961S34709SUS 347HX12CrNiTi18-9

Arrow Piping Solutions uses premium-grade raw materials and offers reliable packaging with boxes, cartons, and pallets to ensure safe delivery of all SS 347 / 347H Forged Fittings.

Chemical Composition of Stainless Steel 347 / 347H Forged Fittings

GradeCMnSiPSCrNNiTi
SS 3470.08 max2.0 max1.0 max0.045 max0.030 max17.00 - 19.000.10 max9.00 - 12.005(C+N) – 0.70 max
SS 347H0.04 – 0.102.0 max1.0 max0.045 max0.030 max17.00 - 19.000.10 max9.00 – 12.004(C+N) – 0.70 max

Mechanical Properties of Stainless Steel 347 / 347H Forged Fittings

DensityMelting PointTensile StrengthYield Strength (0.2% Offset)Elongation
8.0 g/cm³1457 °C (2650 °F)Psi – 75000 , MPa – 515Psi – 30000 , MPa – 20535%

Manufacturing Standards

ASTM A182 – ASME SA182Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
ASME B16.9Factory-Made Wrought Buttwelding Fittings
ASME B16.11Socket Welding and Threaded Forged Fittings
MSS SP-43Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications
MSS SP-95Swage(d) Nipples and Bull Plugs
BS3799Specification for Steel pipe fittings, screwed and Socket-welding for the petroleum industry

Applications of SS 347 / 347H Forged Fittings

  • Chemical Industry
  • Petrochemical Industry
  • Marine & Power Transmission Industry
  • Power Plants
  • Energy Industries
  • Pharmaceutical Processing
  • Modern Architecture
  • Home Appliances
  • Water Waste Projects
  • Synthetic Fiber Manufacturing
  • Heat Exchangers
  • Fluid Piping
  • Dairy and Food Processing
  • Furniture Industry

Arrow Piping Solutions offers premium-grade SS 347 / 347H Forged Fittings at competitive prices with fast delivery and full technical support. Contact us today for inquiries, bulk orders, or product customization.