FV520B
2026-03-11 16:53:00 Origin： Remark：0 Click：
FV520B, a martensitic precipitation hardening aged steel, FV520 round bar, flat bar, and 1.4594 ESR, steel ingot, forging blank stock available, hot forged + solution, aging heat treated
TECHNICAL DATA SHEET - FV520B & 1.4594
Material category: 14Cr - 5.5Ni - 1.6Mo - 1.6Cu base stainless steel
Steel type: precipitation hardening series
Available from stock: round bar 50 ~ 130mm, ESR ingot.
Technical specification: BS EN 10083-3 (2005)
CHEMICAL COMPOSITIONS (mass fraction %)
Carbon, C (％): ≤ 0.07
Silicon, Si (％): ≤ 0.70
Manganese, Mn (％): ≤ 1.00
Phosphorus, P (％)≤: 0.035
Sulfur, S (％)≤: 0.015
Chromium, Cr (％): 13.0 ~ 15.0
Nickel, Ni (％): 5.00 ~ 6.00
Molybenum, Mo (％): 1.20 ~ 2.00
Copper, Cu (％): 1.20 ~ 2.00
Niobium, Nb + Tantalum, Ta (%): 0.15 ~ 0.60
Carbon, C (％): ≤ 0.07
Silicon, Si (％): ≤ 0.70
Manganese, Mn (％): ≤ 1.00
Phosphorus, P (％)≤: 0.035
Sulfur, S (％)≤: 0.015
Chromium, Cr (％): 13.0 ~ 15.0
Nickel, Ni (％): 5.00 ~ 6.00
Molybenum, Mo (％): 1.20 ~ 2.00
Copper, Cu (％): 1.20 ~ 2.00
Niobium, Nb + Tantalum, Ta (%): 0.15 ~ 0.60
MECHANICAL PROPERTIES BASED ON DIFFERENT HEAT TREATMENT
Condition of thermal treatment: AT ( 1050℃ Solution treated)
Hardness ≤ HBS: 360
Yield strength Rp0.2 ≥ MPa: -
Tensile strength, Rm / MPa: ≤ 1200
Elongation, A5 ≥ (％): -
Elongation, A5 (transversal ) ≥ (％): -
Impact absorbing power Akv ≥ / J : -
Condition of thermal treatment: P930
Hardness ≤ HBS: -
Yield strength, Rp0.2 ≥ MPa: 720
Tensile strength, Rm / MPa: 930~1100
Elongation, A5 ≥ (％): 15
Impact absorbing power Akv ≥ J : 40
Condition of thermal treatment: P1000
Hardness ≤ HBS: -
Yield strength, Rp0.2 ≥ MPa: 860
Tensile strength, Rm / MPa: 1000~1200
Elongation, A5 ≥ (％): 10
Impact absorbing power Akv ≥ J : -
Condition of thermal treatment: P1070
Hardness ≤ HBS: -
Yield strength, Rp0.2 ≥ MPa: 1000
Tensile strength, Rm / MPa: 1070~1270
Elongation, a5 ≥ (％): 10
Impact absorbing power Akv ≥ J : -
PRODUCT DESCRIPTION
FV520B is usually produced by AOD / EAF 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 black/bright in the annealed condition.
Final heat treatment - solution treatment + double aged.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry, pleased to EMAIL (sales@ccsteels.com) our resident team of qualified production engineers.
If you meet further on any technical enquiry, pleased to EMAIL (sales@ccsteels.com) our resident team of qualified production engineers.
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