Manufacturers Hastelloy B3 Welding Wire C22 C4 B2 B3 G35 G30 Hastelloy C4 Wire for Industry
HASTELLOY C4 is an alloy composed of Nickel, chromium, and molybdenum. It is highly regarded as the most versatile alloy for combating corrosion. This alloy demonstrates resistance to the formation of grain boundary precipitates when subjected to welding heat, making it suitable for various chemical process applications in its welded state. Additionally, Alloy C4 exhibits outstanding resistance to pitting, stress-corrosion cracking, and oxidizing atmospheres up to 1900°F. It possesses exceptional resistance to a wide range of chemical environments.
APPLICATIONS:
1.Paper industry: Digesters and bleach plants.
2.Sour gas environments: Components exposed to sour gas.
3.Flue-gas desulfurization plants: Equipment used in flue-gas desulfurization plants.
4.Sulfuric acid environments: Evaporators, heat exchangers, filters, and mixers used in sulfuric acid environments.
5.Sulfuric acid reactors: Equipment employed in sulfuric acid reactors.
6.Organic chloride process: Equipment utilized in the organic chloride process.
7.Halide or acid catalyst processes: Equipment employed in processes that utilize halide or acid catalysts.
|
Grade |
C276 |
C22 |
C4 |
B3 |
N |
||
|
Chemical Composition (%) |
C |
≤0.01 |
≤0.015 |
≤0.015 |
≤0.02 |
≤0.01 |
0.04-0.08 |
|
Mn |
≤1 |
≤0.5 |
≤1 |
≤1 |
≤3 |
≤1 |
|
|
Fe |
4-7 |
2-6 |
≤3 |
≤2 |
≤1.5 |
≤5 |
|
|
P |
≤0.04 |
≤0.02 |
≤0.04 |
≤0.04 |
– |
≤0.015 |
|
|
S |
≤0.03 |
≤0.02 |
≤0.03 |
≤0.03 |
– |
≤0.02 |
|
|
Si |
≤0.08 |
≤0.08 |
≤0.08 |
≤0.1 |
≤0.1 |
≤1 |
|
|
Ni |
rest |
rest |
rest |
rest |
≥65 |
rest |
|
|
Co |
≤2.5 |
≤2.5 |
≤2 |
≤1 |
≤3 |
≤0.2 |
|
|
Ti+Cu |
– |
– |
≤0.7 |
– |
≤0.4 |
≤0.35 |
|
|
Al+Ti |
– |
– |
– |
– |
≤0.5 |
≤0.5 |
|
|
Cr |
14.5-16.5 |
20-22.5 |
14-18 |
≤1 |
≤1.5 |
6-8 |
|
|
Mo |
15-17 |
12.5-14.5 |
14-17 |
26-30 |
≤28.5 |
15-18 |
|
|
B |
– |
– |
– |
– |
– |
≤0.01 |
|
|
W |
3-4.5 |
2.5-3.5 |
– |
– |
≤3 |
≤0.5 |
|
|
V |
≤0.35 |
≤0.35 |
– |
0.2-0.4 |
– |
≤0.5 |
|
