Alloy C-4 Pipe/Tube, Flanges, Fittings

Alloy C-4 Chemical compostion:

Alloy

%

Ni

Cr

Mo

Fe

C

Mn

Si

Co

S

P

Ti

C-4

Min.

65

14

14 

 

    

 

 

Max.

 

18

17

3.0

0.01

1.0

0.08

2.0

0.010

0.025

0.70


 

 

Alloy C-4 Physical properties:

Density

8.64 g/cm3

Melting point

1350-1400 ℃

 

 

Alloy C-4 Alloy minimum mechanical properties in the room temperature:
Alloy
Tensile strength
Rm N/mm2
Yield strength
RP0.2N/mm2
Elongation
A5 %
C-4
783
365
55

Alloy C-4 alloy is a nickel-chromium-molybdenum alloy with outstanding
high-temperature stability as evidenced by high ductility and corrosion resistance even
after aging in the 1200 to 1900 F (649 to 1038 C) range. This alloy resists the formation
of grain-boundary precipitates in the weld heat-affected zone, thus making it suitable
for most chemical process applications in the as-welded condition. C-4 alloy also
has excellent resistance to stress-corrosion cracking and to oxidizing atmospheres up to
1900 F (1038 C).


Alloy C-4 alloy has exceptional resistance to wide variety of chemical process
environments. These include hot contaminated mineral acids, solvents, chlorine
and chlorine contaminated media (organic and inorganic), dry chlorine, formic and
acetic acids, acetic anhydride, and seawater and brine solutions.


Alloy C-4 alloy can be forged, hot-upset, and impact extruded. Although the
alloy tends to work-harden, it can be successfully deep-drawn, spun, press formed or
punched. All of the common methods of welding can be used to weld Alloy C-4
alloy, although the oxy-acetylene and submerged arc processes are not recommended
when the fabricated item is intended for use in corrosion service. Special precautions
should be taken to avoid excessive heat input.


We have products:

Alloy C-4 / UNS N06455 Nickel Alloy 90 Degree Elbow , Pipe Fitting; ASTM B622 / B619 Alloy C-2000 / UNS N06200 Nickel Alloy Pipe​; ASTM B574 / ASME SB574 Alloy C-4 / N06455 Nickel Alloy Round Rod; ASTM B575 / ASME SB575 Alloy C276 Nickel Alloy Plate / Sheet; ASTM B564 Alloy C22 / C276 Nickel Alloy Slip On Flange; ASTM B564 Alloy C22 / C276 Nickel Alloy Slip On Flange; ASME SA564 Alloy C22 Nickel Alloy Slip On Flange For Connection; Alloy C22 / C4 / C276 UNS N06022 / N06455 / N10276 Nickel Alloy Flange For Boiler Tube; ASTM B574 Nickel Alloy Steel Alloy C22 / C276 Round Rod / Bar; 3 / 4 Inch Alloy C-4 / UNS N06455 Chemical Industry Nickel Alloy Tube;
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