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904L 1.4539 N08904 X1NiCrMoCu25-20-5 Strong Corrosion

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904L 1.4539 N08904 X1NiCrMoCu25-20-5 Strong Corrosion

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Brand Name : BAOSTEEL,TISCO,

Model Number : 904L

Certification : ISO

Place of Origin : China

MOQ : negotiation

Price : negotiation

Payment Terms : full payment by L/C or 20% down payment, balance before shipment

Delivery Time : within 20 working days

Packaging Details : Standard seaworth package

Grade : 904L

Standard : ASTM, EN, GB, JIS

Length : 1000-2000mm

Thickness : 10-200mm

Width : 1000-12000mm

Technique : Pickling Solid Solution

Surface : No.1

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904L is a high alloy austenitic product used in severe corrosion conditions. It has very good resistance to: 1. Pitting and crevice corrosion 2. Intergranular corrosion 3. Stress corrosion cracking 4.904L is a high-alloy austenitic stainless steel with low carbon content, which is very good in dilute sulfuric acid Corrosion resistant, designed for environments with harsh corrosive conditions. It has high chromium content and sufficient nickel content. The addition of copper makes it have strong acid resistance, especially high resistance to chloride crevice corrosion and stress corrosion cracking, and it is not easy to appear corrosion spots and cracks. The corrosion ability is slightly better than other steel types, and it has good machinability and weldability, and can be used for pressure vessels.

化学成分 物理性能
Chemical Composition(%) Physical Property
C Si Mn P S Cr Ni Ti N Cu Nb+Ta 屈服强度 Y.S. (Mpa) 抗拉强度 T.S( Mpa) 延伸率EL/% 硬度 HARDNESS
HRB
Min Min Min Min Min Min Min Min Min Min Min Min Min Min Min
15.000 3.000 3.000 0.150 220 490 35.0
Max Max Max Max Max Max Max Max Max Max Max Max Max Max Max
0.070 1.000 1.000 0.040 0.030 17.000 5.000 5.000 0.450 70.0

Application:

Petroleum and petrochemical equipment, such as reactors in petrochemical equipment; Storage and transportation of sulfuric acid, such as heat exchanger; Flue gas desulfurization power plant, the main components: absorption tower, flue, door, internal parts,

Spray system tower; Scrubber and fan organic acid treatment system;


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