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EN 10204 Precipitation Hardening FV520B Stainless Steel Plate

Categories Precipitation Hardening Stainless Steel
Brand Name: ABOOM
Model Number: FV520B
Certification: EN 10204 Type 3.1
Place of Origin: CHINA
MOQ: 1000kgs
Price: USD Negotiable
Payment Terms: T/T
Supply Ability: 200 TONS PER MONTH
Delivery Time: 7-15dyas
Packaging Details: Bare packing/bundle packing with woven bag/wooden or steel frame crate packing/plastic cap protection at the both sides of tubes and suitably protected for sea-worthly delivery or as requested.
TYPE OF MATERIAL: Precipitation, hardening, martensitic stainless steel
PRODUCT: FV520B Precipitation Hardening Stainless Steel Plate
STANDARD: GB / T 4237-2007 or as appropriate
GRADE: FV520B
Manufacturing process: The steel melt shall be refined with AOD or equivalent.
application: Large centrifugal compressor / Fan system
Microstructure: Precipitation hardening
Testing facility: Accept other third-party testing agencies such as SGS
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EN 10204 Precipitation Hardening FV520B Stainless Steel Plate

FV520B Precipitation Hardening Stainless Steel Plate for Large centrifugal compressor


FV520B Precipitation Hardening Stainless Steel Plate


Application area:


Large centrifugal compressor / Fan system


FV520b is a new type of martensitic precipitation hardening acid and heat-resistant stainless steel developed on the basis of the original FV520. The type steel precipitates ε - Cu, NBC, Mo2C, M7C3 and M23C6 in the aging process through strengthening elements such as Cu, Nb and Mo, which plays the largest strengthening effect


3/16"1/4"5/16"3/8"7/16"1/2"9/16"5/8"3/4"7/8"1"
4.8mm6.3mm7.9mm9.5mm11.1mm12.7mm14.3mm15.9mm19mm22.2mm25.4mm
1 1/8"1 1/4"1 1/2"1 3/4"2"2 1/4"2 1/2"2 3/4"3"3 1/2"4"
28.6mm31.8mm38.1mm44.5mm50.8mm57.2mm63.5mm69.9mm76.2mm88.9mm101.6mm

chemical composition:

CCrNiCuNb/CbMn
0.04 - 0.0713 - 14.55 - 61.3 - 1.80.25 - 0.45 1
Si:0.15-0.70 Mo:1.3-1.8

FV520B Precipitation Hardening Stainless Steel Plate

The mechanical properties of FV520B steel such as strength, plasticity and toughness are particularly sensitive to the heat treatment process. The microstructure of FV520B stainless steel before and after solution treatment + adjustment + aging heat treatment is found.

After heat treatment, the lath martensite structure of FV520B steel is fine and uniform, which increases the number of grains, increases the grain boundary area, and the second phase particles uniformly distributed in the matrix, so that the solution + adjustment + aging treatment FV520B The tensile resistance and fatigue resistance of steel have been significantly improved


The strength of fv520b steel reaches the maximum value at 1050 ℃ solution treatment + 850 ℃ intermediate treatment + 470 ℃ aging.

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