Inconel 625 Alloy With High Strength Excellent Workability Good Weldability Excellent Corrosion Resistance

Inconel 625 N06626 high strength, excellent workability, good weldability and excellent corrosion resistance

INCONEL 625 is a widely used grade among the Inconel series nickel alloys, and it is also a superior product of Xunshi New Material. Xunshi provides Inconel 625 products with rich shapes and complete specifications, and various customized products according to different standards and specifications are available from us. The Inconel 625 product form supply of Xunshi New Materials includes round rods, laths, wires, wires, Rods, hot-rolled plates, cold-rolled plates, strips, profiles, welded pipes, seamless pipes, capillary tubes, forgings, pipe fittings, flanges, fasteners, welding wire, welding rods and 3D printing powder, etc.

Inconel 625 is widely used due to its high strength, excellent workability, good weldability and excellent corrosion resistance. Its operating temperature range can cover cryogenic temperatures to 1800°F (982°C).

The strength of INCONEL 625 alloy is generated by the hardening effect of molybdenum and niobium in the nickel-chromium matrix, so the alloy does not require precipitation hardening. This combination of elements is also the reason why the material is super corrosion-resistant in many highly corrosive environments and resistant to oxidation and carburization in high-temperature environments.

Chemical composition(%, wt)

• Nickel(Ni): 58.0 min.
• Chromium(Cr): 20.0-23.0
• Iron(Fe): 5.0 max.
• Molybdenum(Mo): 8.0-10.0
• Niobium (plus Tantalum)(Nb+Ta): 3.15-4.15
• Carbon(C): 0.10 max.
• Manganese(Mn): 0.50 max.
• Silicon(Si): 0.50 max.
• Phosphorus(P): 0.015 max.
• Sulfur(S): 0.015 max.
• Aluminum(Al): 0.40 max.
• Titanium(Ti): 0.40 max.
• Cobalt(Co): 1.0 max.

Physical property

• Density, 8.44g/cm3
• Melting Range:1290-1350°C
• Permeability at 200 Oersted (15.9 kA/m): 1.0006
• Curie Temperature: -196°C

Mechanical property

Nominal Room-Temperature Mechanical Properties

Corrosion Resistance

Aqueous Corrosion

The high alloy content of INCONEL alloy 625 enables it to withstand a wide variety of severe corrosive environments. In mild environments such as the atmosphere, fresh and sea water, neutral salts, and alkaline media there is almost no attack. In more severe corrosive environments the combination of nickel and chromium provides resistance to oxidizing chemicals, whereas the high nickel and molybdenum contents supply resistance to non-oxidizing environments. The high molybdenum content also makes this alloy very resistant to pitting and crevice corrosion, and niobium acts to stabilize the alloy against sensitization during welding, thereby preventing subsequent inter-granular cracking. Also, the high nickel content provides freedom from chloride ion stress corrosion cracking.

This combination of characteristics makes INCONEL alloy 625 useful over a broad spectrum of corrosive conditions. For instance, it has been recommended as a material of construction for a storage tank to handle chemical wastes, including hydrochloric and nitric acids - chemicals which represent directly opposite types of corrosion problems. Materials which resist either one of these acids are normally severely attacked by the other.

INCONEL alloy 625 has good resistance to oxidation and scaling at high temperature.

Equal grades

• UNS N06600
• Inconel 625
• W. Nr. 2.4856
• NS3306
• NS336
• NiCr22Mo9Nb
• NA21 Ni-Cr-Mo-Nb

Spec

Rod, Bar, Wire and Forging Stock -

ASTM B 446/ASME SB 446 (Rod & Bar),

ASTM B 564/ASME SB 564 (Forgings),

SAE/AMS 5666 (Bar, Forgings, & Rings),

SAE/AMS 5837 (Wire), ISO 9723 (Rod & Bar),

ISO 9724 (Wire),

ISO 9725 (Forgings),

VdTÜV 499 (Rod & Bar),

BS 3076NA21 (Rod & Bar),

EN 10095 (Rod, Bar, & Sections),

DIN 17752 (Rod & Bar),

ASME Code Case 1935 (Rod, Bar, & Forgings),

DIN 17754 (forgings),

DIN 17753 (Wire).

Plate, Sheet and Strip -

ASTM B 443/ASTM SB 443 (Plate, Sheet & Strip),

SAE/AMS 5599 & 5869 & MAM 5599 (Plate, Sheet & Strip),

ISO 6208 (Plate, Sheet & Strip),

VdTÜV 499 (Plate, Sheet & Strip),

BS 3072NA21 (Plate & Sheet),

EN 10095 (Plate, Sheet & Strip),

DIN 17750 (Plate, Sheet & Strip),

ASME Code Case 1935.

Pipe & Tube - ASTM B 444/B 829 & ASME SB 444/SB 829 (Seamless Pipe & Tube),

ASTM B704/B 751 & ASME SB 704/SB 751 (Welded Tube),

ASTM B705/B 775 & ASME SB 705/SB 775 (Welded Pipe),

ISO 6207 (Tube),

SAE/AMS 5581 (Seamless & Welded Tube),

VdTÜV 499 (Tube),

BS 3074NA21 (Seamless Pipe & Tube),

DIN 17751 (Tube),

ASME Code Case 1935.

Other Product Forms -

ASTM B 366/ASME SB 366 (Fittings),

ISO 4955A (Heat Resisting Steels & Alloys),

DIN 17744 (Chemical composition of all product forms).

Characters

• High strength
• Excellent fabricability
• Excellent joining property
• Out-standing corrosion resistance
• Service temperatures range from cryogenic to 1800°F (982°C).
• Pitting and crevice corrosion
• High corrosion-fatigue strength
• High tensile strength,
• Resistance to chloride-ion stress-corrosion cracking
• High creep and rupture strength
• Out-standing fatigue and thermal-fatigue strength
• Oxidation resistance
• Excellent weldability and brazeability
• Outstanding and versatile corrosion resistance under a wide range of temperatures and pressures
• Ease of fabrication
• High strength, excellent uniform corrosion resistance, resistance to stress cracking and excellent pitting resistance in 500°-600°F (260-316°C) water
• High allowable design strength at elevated temperatures, especially between 1200°-1400°F (649-760°C)

Applications

• Mooring ship cables
• Motor gunboat propeller blades
• Submarine auxiliary propulsion motors
• Submarine quick disconnect joints
• Exhaust ducts for naval vessels
• Protective jackets for submarine communication cables
• Submarine sensor controllers
• Steam pipelines expansion joints
• Springs
• Seals
• Expansion joints for underwater control
• Cable joints
• Fasteners
• Flexible devices and instrument components for oceanography
• Aircraft ducting systems
• Engine exhaust systems
• Thrust-reverser systems
• Resistancewelded honeycomb structures for housing engine controls, fuel and hydraulic line tubing
• Spray bars
• Bellows
• Turbine shroud rings
• Heat-exchanger tubing in environmental control systems.
• Combustion system transition liners,
• Turbine seals
• Compressor vanes
• Thrust-chamber tubing for rocke
• Bubble caps
• Tubing
• Reaction vessels
• Distillation columns
• Heat ex-changers
• Transfer piping
• Valves
• Reactor-core and control-rod components in nuclear water reactors

Forms of supply

• Round rods
• Laths
• Wire
• Wire rod
• Rods
• Hot-rolled plate
• Cold-rolled plate
• Strip
• Profile
• Welded pipes
• Seamless pipe
• Capillary tube
• Forging
• Pipe fittings
• Flange
• Fastener
• Welding wire
• Welding rod
• 3D printing powder

Welding

INCONEL alloy 625 is readily joined by conventional welding processes and procedures. ERCrNiMo-3 and Alloy 112 are Ni-Cr-Mo products designed for welding INCONEL alloy 625 to itself and to other materials. Both materials are available at XUNSHI.

Hot and cold working

Inconel 625 is readily fabricated by hot forming, however, provided adequately powerful equipment is used. And it can be cold-formed by standard processes.

About XUNSHI

Suzhou Xunshi New Material Co. Ltd- referred as XUNSHI hereafter, is a professional manufacturer of high-performance alloy products. XUNSHI is engaged in supplying high quality and cost-effective Superalloy, Anti-Corrosion Alloy, Precision Alloy, Special Stainless Steel and Magnetostrictive Material to customers worldwide.

Why XUNSHI

· Highly experienced in alloy industry

· Top experts of industry in China

· Advanced technology and process from top famous institutes in China

· Advanced devices through whole production and inspection process

· Strict quality control system

· Company motto: best service, most value

· Smart sales policy

Service Items of XUNSHI

· Non-standard product research and pre-production

· Fabrication of products

· Cutting, splitting for sheets and plates in stock

· Heat treatment (Solution treatment, aging harden treatment, anneal, spring temper, quench etc.)

· Surface finish (peeling, gridding, polishing)

· Logistics service

· Customized packing service (also for exporting)

· Import and export (XUNSHI is certificated)

· Document translation

· Hard-to-find material sourcing

Customers of XUNSHI

Customers of XUNSHI are all over China (Taiwan and Hong Kong included). And we are exporting to USA, Canada, Italy, UK, Poland, Greece, Russia, Turkey, Iran, Israel, South Africa, South Korea, North Korea, India, Argentina, and Brazil and so on. Customers from 30+ countries trust us.

Where is XUNSHI

A- XUNSHI is in Huaqiao, Kunshan, 215332 China, which is very closed to Shanghai.

B- Xunshi is around 80KM from Shanghai Pudong International Airport (PVG).

C- 20KM from Shanghai Hongqiao Airport

D- 20KM from Shanghai Hongqiao Railway Station

E- You can contact XUNSHI sales for a pickup service.