China Cold Drawn Seamless Steel Pipe Galvanized Carbon Steel Seamless Pipes

Cold Drawn Galvanized Steel Pipe

Product Description:

The galvanized steel pipe is a steel covered with a layer of zinc metal. During the galvanizing process, the steel is immersed in a molten zinc bath to ensure a firm, uniform barrier coating. The galvanized pipe is covered with zinc to make the steel pipe more resistant to corrosion.

Chemical composition(WT%)

(C) :≤0.3

(Si) :≤0.50

(Mn) :≤2.00

(S) :≤0.024

(Ni) : ≥63

(Fe): ≤ 2.5

(Cu): 28 to 34

Applications:

1. Seamless water pipes and steam pipes for power plants

2. Seawater exchangers and evaporators

3. Sulfuric acid and hydrochloric acid environment

4. Crude oil distillation

5. Pump shaft and propeller in seawater equipment

6. Equipment used by the nuclear industry for uranium extraction and isotope separation

7. Pumps and valves for the production of hydrochloric acid equipment

Characteristics：

Corrosion resistance in an extensive range of marine and chemical environments. From pure water to nonoxidizing mineral acids, salts and alkalis.

This alloy is more resistant to nickel under reducing conditions and more resistant than copper under oxidizing conditions, it does show however better resistance to reducing media than oxidizing.

Good mechanical properties from subzero temperatures up to about 480C.

Good resistance to sulfuric and hydrofluoric acids. Aeration however will result in increased corrosion rates. May be used to handle hydrochloric acid, but the presence of oxidizing salts will greatly accelerate corrosive attack.

Resistance to neutral, alkaline and acid salts is shown, but poor resistance is found with oxidizing acid salts such as ferric chloride.

Excellent resistance to chloride ion stress corrosion cracking.

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