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1.4959
Public Time:2011年10月18日 | Sort:Stainless steel | Hits:838

Germany 1.4959 for the face-centered cubic lattice structure. Very low carbon content and increase of Ti: C ratio increased structural stability and the largest allergy resistance and resistance to intergranular corrosion. Annealing temperature of about 950 ℃ to ensure the fine grain structure.
Resistant to many corrosive media in Germany 1.4959 corrosion. Its high nickel content in the aqueous corrosion conditions it has very good resistance to stress corrosion cracking. High chromium content so that it has better resistance to pitting and crevice corrosion cracking. The alloy has good resistance to nitric acid, organic acid corrosion, but in sulfuric acid and hydrochloric acid corrosion resistance is limited. In addition to the halide pitting corrosion may occur, but in oxidizing and non oxidizing salt has good corrosion resistance. In water, steam and steam, air, carbon dioxide mixture also has good corrosion resistance.
Features:
1 up to 500 ℃ at a very high temperature of the aqueous medium with excellent corrosion resistance
(2) good resistance to stress corrosion performance
3 good workability
German chemical composition of 1.4959:

Alloy

%

Nickel

Chromium

Iron

Carbon

Manganese

Silicon

Copper

Sulfur

Aluminum

Titanium

Least

30

19

0.05

0.15

0.15

Maximum

35

23

Margin

0.10

1.5

1

0.75

0.015

0.60

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