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FV520B 520B

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FV520B 520B properties and heat treatment forged piece, Including FV520B 520B application and specifications, We have all specifications´╝îIncluding FV520B 520B steel plate, FV520B 520B sheet, FV520B 520B square steel, FV520B 520B flat bar,FV520B 520B round bar,FV520B 520B forgings, we can own production and sales.


Introduction to Our Products:

Specialized high quality steel

We have the advantages of equipment, technologies and price

forged/hot rolling/ extrusion of steel


We can produce the FV520B 520B has the following specifications:

Round bar steel: 1mm to 3000mm

Square-shape steel: 1mm to 2000mm

Plate steel:0.1mm to 2500mm

Width: 10mm to 2500mm

Lenth: We can supply any lenth based on the customer's requirement.

Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

Tubings: OD: ¤ć6-219 mm, with wall thickness ranging from 1-35 mm.

Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement

Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement

Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.

Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirementExcellent service for all kinds of industries,with advantages of technologies, equipment and price.

We serve you with our honesty, integrity, and professionality.


Chemical composition % of the ladle analysis of grade FV520B 520B and Standards

 

Firth Vickers Silver Fox 520B FV520B 1.4594 X5CrNiMoCuNb145PH X5CrNiMoCuNb14 5 PH F V 520 B FV 520 B overaged peak hardened primary hardened

 

FV520B is an improved martensitic stainless steel. The characterisitics of FV520B are its good corrosion resistance, weldability and capacity of being hardened by low temperature treatment. FV520B is recommended for steam turbine blades and aircraft components.

FV520B is a precipitation hardening stainless steel with excellent antigalling characteristics. FV520B has useful resistance to some acid conditions and rusting rate in marine and industrial atmospheres is low. FV520B is subject to pitting corrosion under marine organism growths and crevice corrosion on prolonged immersion 

Typical Analysis

FV520B 

 

 

 

 

 

C.

Cr.

Cu.

Mn.

Mo.

Nb.

Ni.

Si.

0.07%

13.20-

1.20-

1.00%

1.20-

0.20-

5.00-

0.70%

max

 14.70%

   2.00%.

max..

  2.00%

  0.70%

  6.00%

max.

Longhai steel can supply round bar in this grade in 2 conditions:

FV520B Double Overaged 750/550°C

FV520B Primary Hardened Condition.




Machining performance

Download FV520B 520B the mechanical properties of the report, the report provides detailed performance analysis and application. Download >>


Principal Design Features

One of the most widely used precipitation hardening grades in the business. While soft and ductile in the solution annealed condition, it is capable of high properties with a single precipitation or aging treatment. Characterized by good corrosion resistance, high harness, toughness and strength.


Machinability

Long, gummy chips characterize this alloys machinability. It can be machined in the annealed condition, however condition H1150M will yield best results. Post machining solution treatment of parts will be required prior to final hardening if machining in this condition.


Heat Treatment

CONDITION A--Soak at 1900 F (1038 C) for 30 minutes and cool below 60 F (16 C) for complete martensite transformation. CONDITION H 950- Treat Condition A material at 900 F(482 C) for 1 hour, air cool.. CONDITION H925, H1025, H1075, H1100, H1150- Soak solution treated material for 4 hours at specified temperature, air cool, CONDITION H1150M- Soak solution treated material at 1400 F (760 C) for 2 hours, air cool, then re-heat to 1150 F (620 C) for 4 hours and air cool.


Welding

Successfully welded by common fusion and resistance methods, this alloy should not be joined by oxyacetylene welding. AWS E/ER630 filler metal is recommended if required.


Forging

Soak for 1 hour at 2150 F (1177 C) prior to forging. Do not work below 1850 F (1010 C). Post-work solution treatment is required prior to final hardening.





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