FEP Encapsulated Incoloy 825 Chemical Injection Line

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. Our long length tubing coils are used extensively for chemical injection in subsea and onshore wells.

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Profile of Single Line Encapsulation

Round Profiles of Single Line Encapsulation
1/4’’ OD line tubing	0.433’’ Dia (11.0 mm)
3/8’’ OD line tubing	0.535’’ Dia (13.6 mm)
1/2’’ OD line tubing	0.660’’ Dia (16.8 mm)

Square Profiles of Single Line Encapsulation
1/4’’ OD line tubing	0.433’’ x 0.433’’ (11.0 mm x 11.0 mm)
3/8’’ OD line tubing	0.535’’ x 0.535’’ (13.6 mm x 13.6 mm)
1/2’’ OD line tubing	0.660’’ x 0.660’’ (16.8 mm x 16.8 mm)

Product Display

FEP Encapsulated Incoloy 825 Chemical Injection Line (1)

FEP Encapsulated Incoloy 825 Chemical Injection Line (3)

Alloy Feature

Incoloy alloy 825 is a nickel-iron-chromium alloy with additions of molybdenum and copper. This nickel steel alloy’s chemical composition is designed to provide exceptional resistance to many corrosive environments. It is similar to alloy 800 but has improved resistance to aqueous corrosion. It has excellent resistance to both reducing and oxidizing acids, to stress-corrosion cracking, and to localized attack such as pitting and crevice corrosion. Alloy 825 is especially resistant to sulfuric and phosphoric acids. This nickel steel alloy is used for chemical processing, pollution-control equipment, oil and gas well piping, nuclear fuel reprocessing, acid production, and pickling equipment.

Technical Datasheet

Alloy	O.D.	W.T.	Yield Strength	Tensile Strength	Elongation	Hardness	Working Pressure	Burst Pressure	Collapse Pressure
	inch	inch	Mpa	Mpa	%	HV	psi	psi	psi
			min.	min.	min.	max.	min.	min.	min.
Incoloy 825	0.375	0.035	241	586	30	209	4,906	19,082	6,510
Incoloy 825	0.375	0.049	241	586	30	209	7,040	27,393	8,711
Incoloy 825	0.375	0.065	241	586	30	209	9,653	37,556	11,024
Incoloy 825	0.375	0.083	241	586	30	209	12,549	48,818	13,347

Dimensional Tolerance

ASTM B704 / ASME SB704, Incoloy 825, UNS N08825, Inconel 625, UNS N06625
ASTM B751 / ASME SB751
Size OD	Tolerance OD	Tolerance WT
1/8’’≤OD<5/8’’ (3.18≤OD<15.88 mm)	±0.004’’ (±0.10 mm)	±12.5%
5/8≤OD≤1’’ (15.88≤OD≤25.4 mm)	±0.0075’’ (±0.19 mm)	±12.5%

Meilong Standard
Size OD	Tolerance OD	Tolerance WT
1/8’’≤OD<5/8’’ (3.18≤OD<15.88 mm)	±0.004’’ (±0.10 mm)	±10%
5/8≤OD≤1’’ (15.88≤OD≤25.4 mm)	±0.004’’ (±0.10 mm)	±8%