Hastelloy C-276 Compression Spring

Hastelloy C-276 (high temperature corrosion resistant spring)

UNS N10276, W.Nr.2.4819, NiMo16Cr15W, NC17D

A corrosion-resistant alloy with many excellent properties, it has good resistance to oxidative and moderate reductive corrosion. It is one of the few materials that can resist the corrosion of moist chlorine, hypochlorite and chlorine dioxide solutions.

 

It has excellent resistance to stress corrosion cracking and local corrosion resistance, and has satisfactory corrosion resistance in many chemical process media, including highly corrosive inorganic acid solutions, chlorine gas and various chloride-containing media, dry Chlorine, formic and acetic acids, sea water and brine, etc.

 

Similar Grades

United States: UNS N10276

Germany: W.Nr.2.4819

 

Typical values(Weight %)

C	Si	S	P	Mn	V
≤0.01	≤0.08	≤0.001	≤0.015	≤1.0	0.1-0.3
Cr	Ni	Co	Mo	Fe	W
15.0-16.5	Remain	≤2.50	15.0-17.0	4.0-7.0	3.0-4.5

 

Mechanical Properties

Specification	θ/℃	σЬ/ MPa
Wire	20	≥750

 

Physical Value

Θ/℃	Elastic modulus KN/mm2
20	208
100	204
300	195
500	182
600	175
700	168
800	160
900	151
1000	143

 

Application Field

1. Nuclear energy industry, chemical treatment, pollution prevention and control

2. Transmission pipelines and evaporators in chemical and petroleum industries

3. Reactor for acetic acid and acidic products

4. Heat exchanger, reactor

5. Equipment and components operating in acid gas environment

6. Sulfuric acid condenser

 

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