Nickel Alloy Tubes 825 • UNS N08825 • 2.4858

Short Description:

Alloy 825 Nickel Alloy Tubes. Alloy 825 is a nickel-iron-chromium alloy containing Molybdenum and copper to make it very resistant to reducing environments such as sulfuric or phosphoric acid. It is also resistant to chloride stress corrosion.

Tube Grade: Alloy 825, UNS N08825, 2.4858

Tube Type: Welded, Welded & Drawn, Seamless

Tube Form: Straight, U Bend

Surface Finish: Bright Annealed, Annealed & Pickled, Polished

Standards (ASME/ASTM): B704, B705, B163, B423

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Product Detail

Product Tags

Alloy 825 Nickel Alloy Tubes, 2.4858 Nickel Alloy Tubes

Chemical Composition (in % by mass)

Grade	C	Si	Mn	P	S	Cr	Ni	Mo	Fe	Co	Ti	Cu
	Max.	Max.	Max.	Max.	Max.					Max.
N08825	0.05		1.0			19.5-23.5	38.0-46.0	2.5-3.5	6.0 – 10.0		0.6-1.2	1.5-3.0
2.4858	0.05		1.0			19.5-23.5	38.0-46.0	2.5-3.5	6.0 – 10.0		0.6-1.2	1.5-3.0

Mechanical Property & Heat Treatment

Grade	Rp 0.2 Mpa	Rp 1.0 Mpa	Rm Mpa	A (%)	Hardness (HRB)	Heat Treatment
	Min.	Min.	Min. – Max.	Min.	Max.
N08825	241		585	30		Solution Annealed
2.4858	241		585	30		Solution Annealed

Tube Size Commonly Used

OD	Thickness (mm)
(mm)	0.50	0.70	0.80	0.89	1.00	1.20	1.24	1.50	1.65	2.00	2.11	2.50	2.77	3.05
6.00	x	x	x	x	x	x	x	x
6.35	x	x	x	x	x	x	x	x	x
7.00	x	x	x	x	x	x	x	x
7.50	x	x	x	x	x	x	x	x
8.00	x	x	x	x	x	x	x	x
9.00	x	x	x	x	x	x	x	x
9.53	x	x	x	x	x	x	x	x	x
10.00	x	x	x	x	x	x	x	x
11.00	x	x	x	x	x	x	x	x
12.00	x	x	x	x	x	x	x	x		x
12.70	x	x	x	x	x	x	x	x	x	x	x
13.00	x	x	x	x	x	x	x	x
14.00	x	x	x	x	x	x	x	x
15.00	x	x	x	x	x	x	x	x
15.88	x	x	x	x	x	x	x	x	x	x	x
16.00	x	x	x	x	x	x	x	x	x	x
17.15	x	x	x	x	x	x	x	x	x	x	x
18.00	x	x	x	x	x	x	x	x	x	x
19.00	x	x	x	x	x	x	x	x	x	x
19.05	x	x	x	x	x	x	x	x	x	x	x	x	x
20.00	x	x	x	x	x	x	x	x	x	x	x	x	x
21.34	x	x	x	x	x	x	x	x	x	x	x	x	x
22.00	x	x	x	x	x	x	x	x	x	x	x	x	x
22.23	x	x	x	x	x	x	x	x	x	x	x	x	x
23.00	x	x	x	x	x	x	x	x	x	x	x	x	x
24.00	x	x	x	x	x	x	x	x	x	x	x	x	x
25.00	x	x	x	x	x	x	x	x	x	x	x	x	x	x
25.40	x	x	x	x	x	x	x	x	x	x	x	x	x	x
26.00	x	x	x	x	x	x	x	x	x	x	x	x	x	x
26.67	x	x	x	x	x	x	x	x	x	x	x	x	x	x
26.90	x	x	x	x	x	x	x	x	x	x	x	x	x	x
28.00	x	x	x	x	x	x	x	x	x	x	x	x	x	x
28.58	x	x	x	x	x	x	x	x	x	x	x	x	x	x
30.00	x	x	x	x	x	x	x	x	x	x	x	x	x	x
31.75	x	x	x	x	x	x	x	x	x	x	x	x	x	x
32.00	x	x	x	x	x	x	x	x	x	x	x	x	x	x
33.40	x	x	x	x	x	x	x	x	x	x	x	x	x	x
35.00	x	x	x	x	x	x	x	x	x	x	x	x	x	x
36.00	x	x	x	x	x	x	x	x	x	x	x	x	x	x
38.10	x	x	x	x	x	x	x	x	x	x	x	x	x	x
42.00					x	x	x	x	x	x	x	x	x	x
44.50						x	x	x	x	x	x	x	x	x
48.26								x	x	x	x	x	x	x
50.80				x	x	x	x	x	x	x	x	x	x	x