ASTM B446 Inconel 625 Nickel Alloy Bar

  • Grade: UNS N06625 (Inconel 625), UNS N06219, UNS N06650
  • Round: 150- 300mm
  • Square: 60×60-300x300mm
  • Rectangular: 50-200mm x 100 x300mm

Features

ASTM B446 Inconel 625 Alloy Rod and Bar

Inconel 625 Bar Chemical Composition (wt.%)
Element UNS N06625 UNS N06219 UNS N06650
Carbon 0.10 max 0.05 max 0.03 max
Manganese 0.50 max 0.50 max 0.50 max
Silicon 0.50 max 0.70-1.10 0.50 max
Phosphorus 0.015 max 0.020 max 0.020 max
Sulfur 0.015 max 0.010 max 0.010 max
Chromium 20.0 – 23.0 18.0-22.0 19.0-21.0
Niobium + Tantalum 3.15 – 4.15
Cobalt (if determined) 1.0 max 0.05-0.50
Molybdenum 8.0 – 10.0 7.0-9.0 9.5-12.5
Iron 5.0 max 1.0 max 1.0 max
Aluminum 0.40 max 2.0-4.0 12.0-16.0
Titanium 0.40 max 0.50 max 0.05-0.50
Copper 0.50 max 0.30 max
Nickel 58.0 min Balance Balance
Tungsten 0.50-2.50
Nitrogen 0.05-0.20
Mechanical Properties For Hot-Worked Rod and Bar and Cold-Worked Rod
Condition Diameter or Distance Between Parallel Surfaces (in.) Tensile Strength min (ksi) Yield Strength (0.2% offset) min (ksi) Elongation in 2 in. or 50 mm or 4D min (%)
UNS N06625 Grade 1 (Annealed) Up to 4 incl 120 60 30
Over 4 to 10 incl 110 50 25
UNS N06625 Grade 2 (Solution Annealed) All sizes 100 40 30
UNS N06219 (Solution Annealed) All sizes 96 39 50
UNS N06650 (Solution Annealed) All sizes 116 58 45

Technical Specifications

Specification Value
Standard ASTM B446 Nickel-Chromium-Molybdenum-Niobium Alloy, Nickel-Chromium-Molybdenum-Silicon Alloy, and Nickel-Chromium-Molybdenum-Tungsten Alloy Rod and Bar
Grade UNS N06625 (Inconel 625), UNS N06219, UNS N06650
Manufacturing Process Hot-worked rod and bar and Cold-worked rod
Delivery Condition Grade 1 (Annealed) Material is normally employed in service temperatures up to 1100°F (593°C).
Grade 2 (Solution Annealed) Material is normally employed in service temperatures above 1100°F (593°C) when resistance to creep and rupture is required.
Shapes Rod, Square Bar, Rectangular Bar
Surface Finish 1. Hot Finished, Annealed, or Solution-Annealed—Soft, with a tightly adherent dark oxide.
2. Hot Finished, Annealed or Solution Annealed, and Pickled.
3. Hot-Worked, Annealed, and Rough Ground.
4. Hot-Worked, Annealed, and Rough-Turned.
5. Hot-Worked, Forging Quality—Rough turned and spot ground, as necessary, for sizes 1 inch (25.4 mm) in diameter and over; rough ground and spot ground for sizes under 1 inch in diameter.
6. Cold-drawn, Annealed, or Solution-Annealed, and Pickled—Hot finished, overhauled, cold–drawn, annealed, or solution-annealed, descaled, and straightened.
Dimension Round: 150- 300mm
Square: 60×60-300x300mm
Rectangular: 50-200mm x 100 x300mm
Inspection Certificate EN 10204 Type 3.1 (Mill Test Certificate), EN 10204 Type 3.2 (Witness Testing or 3rd Party Inspection)
Tests Chemical analysis ASTM E1473; Tensile Test ASTM E8; Rounding Procedure ASTM E29, UT/ET
Packing

Small diameter packed in plywood box; large diameter packed on plywood pallets.

Application

Engine Components: These alloys’ high temperature and corrosion resistance make them ideal for turbine blades, exhaust systems, and engine thrust reversers.
Airframe Structures: Used in areas requiring high strength-to-weight ratios and excellent fatigue resistance.
Reactors and Vessels: Materials specified in ASTM B446 are used for reactors and pressure vessels that resist corrosion from aggressive chemicals.
Piping and Valves: For transporting corrosive chemicals, these alloys are used in pipes, valves, and pumps due to their superior corrosion resistance.
Offshore Oil Rigs: These include components exposed to seawater and corrosive environments, such as piping systems, valves, and heat exchangers.
Downhole Equipment: Tools and components used in drilling and exploration that require materials capable of withstanding harsh conditions and aggressive substances.
Nuclear Reactors: Used in control rod mechanisms and other reactor components because of their resistance to corrosion and radiation damage.
Gas Turbine Components: These parts, such as combustors and turbine blades, must endure high temperatures and corrosive environments.
Shipbuilding: In parts of ships and submarines, propellers and shafts are exposed to corrosive marine environments.
Desalination Plants: Components resistant to chloride and seawater corrosion, critical for desalination processes.
Pollution Control Equipment: This equipment is used in flue-gas desulfurization systems and other pollution control devices due to its ability to withstand acidic and corrosive environments.
Heat Exchangers: In industrial processing, high thermal conductivity and corrosion resistance are needed.
Food Processing Equipment: Where cleanliness and non-reactivity are critical, these materials are used due to their corrosion resistance and ease of cleaning.

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