Product Details
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 | | Min | Max | Chromium | 20.00 | 23.0 | Nickel | 58.00 | Balance | Molybdenum | 8.00 | 10.00 | Cobalt | - | 1.00 | Columbium + Tantalum | 3.15 | 4.15 | Aluminum | - | 0.40 | Titanium | - | 0.40 | Carbon | - | 0.10 | Iron | - | 5.00 | Manganese | - | 0.50 | Silicon | - | 0.50 | Phosphorus | - | 0.015 | Sulfur | - | 0.015 |
SpecificationsThe 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 625Density: | 0.305 lb/inch3 | Melting Range: | 2350-2460°F |
Thermal Properties of Nickel Alloy 625The thermal properties of Nickel Alloy 625 are summarised in table 2. Table 2. Thermal properties of Nickel Alloy 625. Temp | Coefficient of Thermal Exp. | Thermal Conductivity | Modulus of Elasticity Dynamic | °F | in/in °F x 10-6 | Btu. ft/ft2.hr°F | psi x 106 | 70 | - | 5.7 | 29.8 | 400 | 7.3 | 7.2 | 28.4 | 600 | 7.4 | 8.2 | 27.5 | 800 | 7.6 | 9.1 | 26.6 | 1000 | 7.8 | 10.1 | 25.6 | 1200 | 8.2 | 11.0 | 24.4 | 1400 | 8.5 | 12.0 | 23.1 | 1600 | 8.8 | 13.2 | - |
Typical Mechanical Properties of Nickel Alloy 625The 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 Property | Value | Ultimate Tensile Strength | 120 ksi | 0.2% Yield | 60 ksi | Elongation (2”) | 30% |
Corrosion Resistance of Nickel Alloy 625Table 4. Corrosion by quiet & flowing seawater, Wrightsbille
Beach, NC. Alloy | | Quiet | | Flowing, 2 ft/sec | | Weight Loss, g | Range of Pit Depth, mils | Weight Loss, g | Range of Pit Depth, mils | | | Panel | Crevice Area | | Panel | Crevice Area | 625 | Nil | Nil | Nil | 0.25 | Nil | Nil | C-276 | Nil | Nil | Nil | 0.10 | Nil | Nil | René 41 | 0.80 | Nil | Nil | 0.30 | Nil | Nil | X | 0.10 | Nil | Nil | 0.60 | Nil | Nil | 825 | 0.25 | 0-1 | 0-9 | 0.20 | 3-6 | 1-26 | 718 | 2.70 | Nil | 37-165P | 5.15 | Nil | 40-165P |
Test duration two years. P=perforated by local attack Table 5. Crevice corrosion temperature (CCT). Alloy | UNS No. | Molybdenum Content | °C | °F | Pitting Resistance Equivalent, (PRE)N | 316L | S31603 | 2.1 | -3 | 27 | 23 | 825 | N08825 | 2.7 | -3 | 27 | 30 | 2205 | S31803 | 3.1 | 20 | 68 | 38 | 317L | S31703 | 3.2 | 2 | 35 | 29 | AL-6XN® | N08367 | 6.2 | 43 | 110 | 48 | 625 | N06625 | 9.0 | 45 | 113 | 51 | C-276 | N10276 | 15.4 | 55 | 130 | 66 |
10% FeCl3.6H2O, per ASTM G 48 Practice B (PRE) N=Cr + 3.3Mo + 16N |
Source: Super Alloys |
Product details
Packing & shipping
Company Profile
Jiangsu Mittel Steel Industrial Limited is located in Wuxi City, a
beautiful city near Shanghai. Wuxi is close to Shanghai (BAO STEEL)
,Zhangjiagang (ZPSS),Ningbo (BAO XIN),KUN SHAN (DKSS), enjoy
excellent geographic location and convenient water, land and air
transportation. , Wuxi become the biggest stainless steel sheet
,plate and coil supply Centers in China. Jiangsu Mittel Steel
Industrial Limited was established in 1998 years. as one of the
largest stockists and manufacturers of industrial grade Stainless
Steel products and derivatives in Wuxi ,We keep a stock of 50000
tons every month, so we can delivery goods in fast time.
Our company supplies cold/hot-rolled stainless steel
sheets,stainless steel coils and stainless steel Plate to many
steel factories from athome and abroad, including Shanxi Taigang
Iron& Steel CO, . Ltd (TISCO)Zhangjiagang Pohang (ZPSS),
Shanghai BAO STEEL, Ningbo Baoxin and steel factories in Taiwan
area, Mainland Chinese and foreign countries and regions.
Our long-term business lines are
201.202.304(1.4301).304L.316.316L(1.4404).430.409L, 309S
,310S(1.4845).317L.904L.S31803(1.4462).S32750.S32760, Finish: 2B,
BA, NO. 1 NO. 4, HL, 8K and so on...Meanwhile, our company is also
engaged in the long-term supply of homemade & imported medium
and thick plates, galvanized and carbon steel products.
Adhering to the principle of "quality first and customer
foremost",our company will offer long-term service to nationwide
manufacturers of household appliances, elevators, tableware,
ornaments, tanks and machines. We can offer precise frosted
wiredrawing, 8K mirror finishing and skim board oil-abrasion of
various specifications at any time. The precisely-processed
products will meet your requirements for high quality. Our company
is a modern enterprise integrating distribution and storage.
If you are interested in any of our products or would like to
discuss a custom order, please feel free to contact us. We are
looking forward to forming successful business relationships with
new clients around the world in the near future.

