FEP Encapsulated Incoloy 825 Chemical Injection Line Tube

Short Description:

Unique manufacturing capabilities and processes allow Meilong Tube to produce the longest continuous chemical injection line tubing available in stainless steels and high nickel alloys.

A small-diameter conduit that is run alongside production tubulars to enable injection of inhibitors or similar treatments during production.

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Product Detail

Product Tags

Alloy Materials

Austenitic:	316L	ASTM A-269
Duplex:	S31803/S32205	ASTM A-789
Duplex:	S32750	ASTM A-789
Nickel alloy:	N08825	ASTM B-704; ASTM B-423
Nickel alloy:	N06625	ASTM B-704; ASTM B-444
CuNi alloy	Monel 400	ASTM B-730; ASTM B-165

Product Display

FEP Encapsulated Incoloy 825 Chemical Injection Line Tube (3)

FEP Encapsulated Incoloy 825 Chemical Injection Line Tube (1)

Alloy Feature

Characteristics

Excellent resistance to reducing and oxidizing acids.
Good resistance to stress-corrosion cracking.
Satisfactory resistance to localized attack like pitting and crevice corrosion.
Very resistant to sulfuric and phosphoric acids.
Good mechanical properties at both room and elevated temperatures up to approximately 1020° F.
Permission for pressure-vessel use at wall temperatures up to 800°F.

Testing Abilities

Chemical	Flare	Metallurgical
Corrosion	Flatten	Positive material identification (PMI)
Dimensional	Grain size	Surface roughness
Eddy current	Hardness	Tensile
Elongation	Hydrostatic	Yield

Chemical Composition

Incoloy 825
Nickel	Chromium	Iron	Molybdenum	Carbon	Manganese	Silicon	Sulfur	Aluminum	Titanium	Copper
%	%	%	%	%	%	%	%	%	%	%
		min.		max.	max.	max.	max.	max.
38.0-46.0	19.5-23.5	22.0	2.5-3.5	0.05	1.0	0.5	0.03	0.2	0.6-1.2	1.5-3.0

Norm Equivalence
Grade	UNS No	Euro norm
Grade	UNS No	No	Name
Alloy	ASTM/ASME	EN10216-5	EN10216-5
825	N08825	2.4858	NiCr21Mo

Dimensional Tolerance

ASTM B423 / ASME SB423, Incoloy 825, UNS N08825
Size OD	Tolerance OD	Tolerance WT
1/8’’≤OD<3/16’’ (3.18≤OD<4.76 mm)	+0.003’’ (+0.08 mm) / -0	±10%
3/16≤OD<1/2’’ (4.76≤OD<12.7 mm)	+0.004’’ (+0.10 mm) / -0	±10%
1/2’’≤OD≤1’’ (12.7≤OD≤25.4 mm)	+0.005’’ (+0.13 mm) / -0	±10%

Meilong Standard
Size OD	Tolerance OD	Tolerance WT
1/8’’ ≤OD<3/16’’ (3.18≤OD<4.76 mm)	+0.003’’ (+0.08 mm) / -0	±10%
3/16≤OD<1/2’’ (4.76≤OD<12.7 mm)	+0.004’’ (+0.10 mm) / -0	±10%
1/2’’≤OD≤1’’ (12.7≤OD≤25.4 mm)	+0.004’’ (+0.10 mm) / -0	±8%