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Hastelloy C276 Seamless Pipe Tube UNS N10276 Alloy Tubing ASTM EN Standard

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Hastelloy C276 Seamless Pipe Tube UNS N10276 Alloy Tubing ASTM EN Standard

Country/Region	china
City & Province	wuxi jiangsu
Categories	Zinc

Product Details

Hastelloy C276 Seamless Pipe Tube UNS N10276 Alloy Tubing ASTM EN Standard

Alloy C276 is a nickel-molybdenum-chromium-tungsten superalloy, showing excellent resistance to mechanical and chemical degradation. The high nickel and molybdenum content impart remarkable corrosion resistance in reducing environments, while chromium provides the same in an oxidizing media. Molybdenum also provides strong resistance to crevice corrosion and pitting. This alloy gives an excellent performance in a wide range of chemical processing conditions, often where nothing else works. Target applications include those involving strong oxidizers, such as ferric and cupric chlorides and hot

Product Specifications

ASTM B622, B829 / ASME SB622, SB829 / NACE MR0175

Size Range

Outside Diameter (OD)	Wall Thickness
.250”–.500”	.035”–.065”

Chemical Requirements

Alloy C276 (UNS N10276)
Composition %

Ni Nickel	Cr Chromium	Mo Molybdenum	Fe Iron	W Tungsten	C Carbon	Si Silicon	Co Cobalt	Mn Manganese	V Vanadium	P Phosphorous	S Sulfur
57.0 min	14.5–16.5	15.0–17.0	4.0–7.0	3.0–4.5	0.010 max	0.08 max	2.5 max	1.0 max	0.35 max	0.04 max	0.03 max

Dimensional Tolerances

OD	OD Tolerance	Wall Tolerance
.250"–.500"	+.004”/-.005”	± 15%

Mechanical Properties

Yield Strength:	41 ksi min
Tensile Strength:	100 ksi min
Elongation (min 2"):	40%

Industry Applications

Chemical Process

C276 is one of the premier alloys in the chemical processing industry utilized for its excellent resistance against corrosion, pitting in high stress, oxidizing and reducing environments. The alloy is seen in applications in wastewater treatment, transfer tubing, wet chlorine and hypochlorites environments.

Oil & Gas

C276 is an excellent choice for flare applications where hydrofluoric acid is prevalent due its superior performance against stress corrosion cracking. Alloy C276 is used in recovery systems of sour natural gas and oil wells.

Power Generation

The addition of molybdenum and tungsten, combined with a high chromium content, makes C276 the material of choice for some of the most severe corrosive environments, particularly in pollution control and flue gas desulfurization. See power generation for more information.