COMMON TRADE NAMES: Incoloy® 825, Inc825, Sanicro® 41
Alloy 825 is a nickel-chromium-iron solid solution strengthened alloy with a nominal chemical composition of 42% nickel, 21% chromium, and 22% iron, plus additions of molybdenum, titanium, and copper. It is commonly referred to by the tradename Incoloy® 825 and the universal designation UNS N08825.
Alloy 825 is widely used in oil and gas applications. Other uses include chemical process equipment, exhaust systems, and power generation. CRA offers specialty alloy 825 seamless pipe & tube for use in multiple industries and applications, including:
C | Cr | Ni | Fe | Mn | Si | Mo | Cu | P | S | Ti | Al |
---|---|---|---|---|---|---|---|---|---|---|---|
≤ 0.05 | 19.5 - 23.5 | 38 - 46 | BAL | ≤ 1 | ≤ 0.5 | 2.5 - 3.5 | 1.5 - 3 | ≤ 0.03 | ≤ 0.03 | 0.6 - 1.2 | ≤ 0.2 |
ASTM B163, ASTM B423, ASME SB163, ASME SB423
Per ASTM B163 / ASTM B423
Tensile Strength | Yield Strength | Elongation | Hardness |
minimum, ksi | minimum, ksi | minimum, % | HRB |
85 | 35 | 30 | 90 |
70°F | 200°F | 400°F | 600°F | 800°F | 1000°F | 1200°F | ||
---|---|---|---|---|---|---|---|---|
Density | lbs/in3 | 0.294 | - | - | - | - | - | - |
Thermal Expansion | X10-6/°F | - | 7.8 | 8.3 | 8.5 | 8.7 | 9.5 | 9.6 |
Elastic Modulus | 103 ksi | 28.3 | 27.9 | 27.1 | 26 | 25.2 | 23.52 | 22.37 |
Poisson Ratio | - | 0.3 | 0.3 | 0.3 | - | - | 0.367 | 0.377 |
Thermal Conductivity | Btu-in/h·ft2·°F | - | 85 | 97.5 | 109.6 | 119.7 | 139 | 152 |
Specific Heat | Btu/lb·°F | 0.105 | 0.11 | 0.117 | 0.123 | 0.123 | 0.13 | 0.14 |
Yield Strength | ksi | 35 | 30 | 26 | 25 | 23 | 12 | 11 |
Tensile Strength | ksi | 85 | 77 | 75 | 73 | 71 | 52 | 44 |
PROCESS | DESCRIPTION |
---|---|
Steel Making | Electric Arc Furnace followed by Vacuum Oxygen Decarburization (VOD) or Argon Oxygen Decarburization (AOD). |
Pipe Making | Conventional Seamless Cold Finished Pipe and Tube Manufacturing Processes. |
Heat Treatment | Cannot be hardened by heat treatment. May be provided in the annealed or cold hardened condition. |
CRA offers this alloy in:
Seamless Pipe & Tube
MIN OD: 2-1/16″ (2.0625″)
MAX OD: 10-3/4″ (10.750”)
THICKNESS: Up to 1.925”
LENGTHS: Up to 70′
Standard & Non-Standard Sizes Available.
Manufactured Material Available as Quickly as 1 Week.
Non-Standard Mill Quantities Accommodated
Our expert metallurgy team is here to help.
Contact Us