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Inconel 625 UNS N06625 W.Nr.2.4856 Round Bar Bright Rod Inconel 625 Properties

Categories Stainless Steel Round Bar
Brand Name: Tisco
Model Number: 625
Certification: ISO9001
Place of Origin: Jiangsu, China (Mainland)
MOQ: 1 ton
Price: USD30/KG
Payment Terms: L/C, T/T
Supply Ability: 2000T/month
Delivery Time: 5-8 work days
Packaging Details: Wooden pallets,water proof paper-20'GP or 40'GP for stainless steel sheet.
Standard: ASTM, AISI, DIN, EN, GB, JIS
Special Use: Valve Steels
Material: Stainless steel
MOQ: 1 TON
Packing: Standard Seaworthy Package
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Inconel 625 UNS N06625 W.Nr.2.4856 Round Bar Bright Rod Inconel 625 Properties

Inconel 625 UNS N06625 W.Nr.2.4856 Round Bar Bright Rod

Nickel Alloy 625

Nickel Alloy 625 is used both for its high strength and outstanding aqueous corrosion resistance. The strength of Nickel Alloy 625 is primarily a solid solution effect from molybdenum and columbium. Nickel Alloy 625 has excellent weldability. The matching filler metals are often used for dissimilar metal joining and to weld the aqueous corrosion alloy AL-6XN®.

Features of Nickel Alloy 625

The key features of Nickel Alloy 625 include:

• Outstanding resistance to chloride pitting and crevice corrosion cracking

• Immune to chloride ion stress corrosion cracking

• Resistant to caustics

• Resistant to seawater, in both flowing and stagnant • conditions, and under fouling

Applications of Nickel Alloy 625

Typical Applications for the Nickel Alloy 625 include:

• Chemical process equipment handling mixed acids both oxidizing and reducing

• Flue gas desulfurization scrubbers

• Evaporators for wet-process phosphoric acid containing H2SO4, HF and ferric salts

• Weld Overlay

Composition of Nickel Alloy 625

The composition range for Nickel Alloy 625 is provided in table 1.

Table 1. Composition of nickel alloy 625.


Chemistry, %AMS 4967
MinMax
Chromium20.0023.0
Nickel58.00Balance
Molybdenum8.0010.00
Cobalt-1.00
Columbium + Tantalum3.154.15
Aluminum-0.40
Titanium-0.40
Carbon-0.10
Iron-5.00
Manganese-0.50
Silicon-0.50
Phosphorus-0.015
Sulfur-0.015

Specifications

The various forms of nickel alloy 625 are covered by the following standards:

• UNS/W. Nr N06625/2.4856

• Rod and bar ASTM B 446 and ASME SB-446 Gr 1

Physical Properties of Nickel Alloy 625

Density:0.305 lb/inch3
Melting Range:2350-2460°F

Thermal Properties of Nickel Alloy 625

The thermal properties of Nickel Alloy 625 are summarised in table 2.

Table 2. Thermal properties of Nickel Alloy 625.

TempCoefficient of Thermal Exp.Thermal ConductivityModulus of Elasticity Dynamic
°Fin/in °F x 10-6Btu. ft/ft2.hr°Fpsi x 106
70-5.729.8
4007.37.228.4
6007.48.227.5
8007.69.126.6
10007.810.125.6
12008.211.024.4
14008.512.023.1
16008.813.2-

Typical Mechanical Properties of Nickel Alloy 625

The minimum mechanical properties of nickel alloy 625 are provided in table 3.

Table 3. Minimum Specified Tensile Properties, Room Temperature ASTM B 446 Bar, Grade 1

PropertyValue
Ultimate Tensile Strength120 ksi
0.2% Yield60 ksi
Elongation (2”)30%

Corrosion Resistance of Nickel Alloy 625

Table 4. Corrosion by quiet & flowing seawater, Wrightsbille Beach, NC.

AlloyQuietFlowing, 2 ft/sec
Weight Loss, gRange of Pit Depth, milsWeight Loss, gRange of Pit Depth, mils
PanelCrevice AreaPanelCrevice Area
625NilNilNil0.25NilNil
C-276NilNilNil0.10NilNil
René 410.80NilNil0.30NilNil
X0.10NilNil0.60NilNil
8250.250-10-90.203-61-26
7182.70Nil37-165P5.15Nil40-165P

Test duration two years. P=perforated by local attack

Table 5. Crevice corrosion temperature (CCT).

AlloyUNS No.Molybdenum Content°C°FPitting Resistance Equivalent, (PRE)N
316LS316032.1-32723
825N088252.7-32730
2205S318033.1206838
317LS317033.223529
AL-6XN®N083676.24311048
625N066259.04511351
C-276N1027615.45513066

10% FeCl3.6H2O, per ASTM G 48 Practice B

(PRE) N=Cr + 3.3Mo + 16N


Source: Super Alloys


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