ASTM B423 UNS N08825 Incoloy 825 Seamless Pipe

ASTM B423 UNS N08825 Incoloy 825 Seamless Pipe is a corrosion-resistant nickel-iron-chromium alloy pipe designed for applications requiring high strength and excellent resistance to both reducing and oxidizing acids. Here's the breakdown:

 

Material Composition (%):

 

Element	Percentage
Nickel (Ni)	38.0 - 46.0
Iron (Fe)	22.0 min
Chromium (Cr)	19.5 - 23.5
Molybdenum (Mo)	2.5 - 3.5
Copper (Cu)	1.5 - 3.0
Titanium (Ti)	0.6 - 1.2
Others	≤ 1.0

 

Mechanical Properties:

 

Property	Value
Tensile Strength	≥ 550 MPa
Yield Strength (0.2% offset)	≥ 240 MPa
Elongation	≥ 30%
Hardness (Brinell)	≤ 200 HB

 

Common Types:

 

Straight pipes, Coiled pipes, U-bend pipes

 

Dimensions:

 

Outer Diameter (OD): 6 mm to 610 mm

Thickness: 0.5 mm to 50 mm

Length: 1 meter to 12 meters

 

Manufacturing Process:

 

Typically produced through hot or cold working processes followed by annealing to achieve the desired properties and dimensions.

 

Frequently Asked Questions (FAQs):

 

Common inquiries about Incoloy 825 seamless pipes often involve their compatibility with specific chemicals, welding procedures, and applications in industries such as chemical processing, petrochemical, and marine engineering. These FAQs aim to address concerns related to the performance, durability, and suitability of Incoloy 825 pipes for various operating conditions.

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