FV520B / FV520 MARTENSITIC AGED STEEL
2025-11-19 14:10:00 Origin： Remark：0 Click：
Material specification FV520B / FV520 martensitic stainless steel heat resistant FV520 round bar, flat bar, plate, ESR ingot instock
Stock & inventory: round bar Dia.30 ~ 150mm, ESR ingot
MATERIAL DESIGNATION - FV520B & FV520 & 1.4594
MATERIAL SPECIFICATIONS: DIN EN 10088 - 1
PRODUCT DESCRIPTION
The alloy is usually produced by AOD / EAF / EF followed by electroslag refining (ESR) / VAR if necessary for special purpose. Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different levels according to the buyers' requirements.
Bars are usually supplied under annealed condition.
Heat treatment - solution treatment + Aged.
The alloy is usually produced by AOD / EAF / EF followed by electroslag refining (ESR) / VAR if necessary for special purpose. Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different levels according to the buyers' requirements.
Bars are usually supplied under annealed condition.
Heat treatment - solution treatment + Aged.
TYPICAL CHEMICAL COMPOSITIONS (mass fraction %)
Carbon, C (％): ≤ 0.07
Silicon, Si (％): ≤ 0.70
Manganese, Mn (％): ≤ 1.00
Phosphorus, P (％) ≤: 0.035
Sulfur, S (％) ≤: 0.025
Chromium, Cr (％): 13.0 ~ 15.0
Nickel, Ni (％): 5.00 ~ 6.50
Molybdenum, Mo (％): 1.20 ~ 2.00
Copper, Cu (%): 1.20 ~ 2.00
Carbon, C (％): ≤ 0.07
Silicon, Si (％): ≤ 0.70
Manganese, Mn (％): ≤ 1.00
Phosphorus, P (％) ≤: 0.035
Sulfur, S (％) ≤: 0.025
Chromium, Cr (％): 13.0 ~ 15.0
Nickel, Ni (％): 5.00 ~ 6.50
Molybdenum, Mo (％): 1.20 ~ 2.00
Copper, Cu (%): 1.20 ~ 2.00
Niobium, Nb (%): 0.20 ~ 0.70
TYPICAL MECHANICAL PROPERTIES
PROFILE: Round bar, Flat bar, Plate
Condition: double overaged, colution treated 1050º C +2 hours, 750-850 ºC,+2 hours 750-850 ºC
Proof stress (N/mm²): 800
Tensile strength, Rm / MPa: 925 ~ 1035
Yield strength, Rp0.2 / MPa: 775
Elongation, A5 (％): 15.0
Yield strength, Rp0.2 / MPa: 775
Elongation, A5 (％): 15.0
Hardness | HB: 277 ~ 341
Impact strength, AKv /Min: 54
TYPICAL APPLICATIONS
Typical applications include pump shafts, impellers, fasteners, fans, valves, hydraulic equipment used in oil and gas industries, petrochemical, marine and nuclear engineering, and aircraft components.
PROFILE & DIMENSIONS
Round bar / rod / disc (diameter): 6.0 to 850 mm
Square bar / flat bar: 10 to 610 mm
Plate / sheet steel / steel strip: 0.3 ~ 3 x 10 ~ 300 x L mm
Forged steel shape: stepped shafts, and other different shapes based on OEM.
Round bar / rod / disc (diameter): 6.0 to 850 mm
Square bar / flat bar: 10 to 610 mm
Plate / sheet steel / steel strip: 0.3 ~ 3 x 10 ~ 300 x L mm
Forged steel shape: stepped shafts, and other different shapes based on OEM.
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