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Corrosion resistant alloy
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2507 corrosion resistant alloy

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2507 dual phase steel (US standard UNS S32750 / German standard DIN x2crnimon2574)

2507 chemical composition:

alloy
%nickelchromiummolybdenumnitrogenphosphorusmanganesesulfurcarbonsilicon
2507minimum6.024.03.00.24




maximum8.026.05.00.320.031.200.020.030.80












Physical properties of 2507:

densitymelting point
7.79 g/cm3
1396-1450℃

2507 annealed state, mechanical properties of the alloy at room temperature:

alloytensile strengthσb (Mpa)yield strengthσ0.2 (Mpa)ElongationA5 %

     hardness

     HB

2507≥760≥550≥25≤290

This alloy has the following properties:

Duplex stainless steel 2507 alloy is a compound stainless steel composed of 25% chromium, 4% molybdenum, 7% nickel and nitrogen alloy. It has high strength, good impact toughness and good overall and local stress corrosion resistance. The content of chromium, molybdenum and nitrogen in the two-phase steel 2507 makes it highly resistant to point corrosion and gap corrosion in oxidizing and acidic solutions. The two-phase microstructure of stainless steel is helpful to improve the stress corrosion cracking resistance of stainless steel. Chloride stress corrosion occurs in austenitic stainless steel under certain temperature, stress, oxygen and chloride. Because of its high alloy content, the corrosion resistance and strength of 2507 are due to 2205

2507 application fields include:

1. Used for manufacturing pressure vessels, high-pressure storage tanks, high-pressure pipes, heat exchangers (chemical processing industry)

2. Used for manufacturing oil and gas pipeline and heat exchanger pipe fittings

3. Sewage treatment system

4. Classification, bleaching equipment, storage and treatment system of pulp and paper industry

5. Rotary shaft, press roll, blade, impeller, etc. in high-strength corrosion-resistant environment

6. Cargo boxes of ships and trucks

7. Food processing equipment

8. Energy industry FGD system, industrial washing system, absorption tower

Products of our company:

Cold and hot plate, strip, wire, forging bar, hot rolling bar, machined product


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