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.


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.