1.5419
2025-05-14 14:05:00 Origin： Remark：0 Click：
Technical data sheet 1.5419 Round bar, Forged plate, ESR & VAR technique, Hot blooming / forging / rolling, Heat treatment
TECHNICAL DATA SHEET - W-Nr 1.5419
MATERIAL CATEGORY: High temperature structural steel
PRODUCT DESCRIPTION
Alloy structural steel is provided with higher yield strength, tensile strength, endurance strength, yield ratio (about 0.85 generally ) enough plasticity and toughness.
The concentration of alloy element of this kind of steel is quite high, mainly are corrosion resistant steel, heat resistant steel, wear resistant steel, and other special steels of physical and chemical properties. Alloy structural steel has preferable mechanical property than that of carbon structural steel, high performance of heat treatment especially.
The alloy is usually produced by EAF /VD /LF followed by electroslag refining (ESR) if necessary for special purpose.
Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different level according to the buyers' requirements.
Bars are usually supplied bright in the annealed condition.
Final heat treatment - heat treatment / QT
MATERIAL SPECIFICATIONS - DIN EN 10028-2 (2003), DIN 17755 (1983)
CHEMICAL COMPOSITIONS (mass weight %)
Carbon, C (％): 0.18 ~ 0.25
Silicon, Si (％): 0.20 ~ 0.40
Manganese, Mn (％): 0.40 ~ 0.70
Phosphorus, P (％) ≤: 0.030
Sulfur, S (％) ≤: 0.030
Chromium, Cr (％): ≤ 0.30
Molybdenum, Mo (％): 0.30 ~ 0.40
Nickel, Ni (％): -
Silicon, Si (％): 0.20 ~ 0.40
Manganese, Mn (％): 0.40 ~ 0.70
Phosphorus, P (％) ≤: 0.030
Sulfur, S (％) ≤: 0.030
Chromium, Cr (％): ≤ 0.30
Molybdenum, Mo (％): 0.30 ~ 0.40
Nickel, Ni (％): -
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working temperature /℃: 1100～850
Heat treatment temperature /℃|annealing / normalizing : 660 ~ 700
Heat treatment temperature /℃|quenching: 880~920 oil
Heat treatment temperature /℃|tempering: 600~660
HBS: 145 ~ 175
Tensile strength, (≥) σb / MPa: 490～590
Yield strength, (≥) σs / MPa: 295
Elongation, (≥) δ5 (%): 20.0
Impact strength, (≥) AKV / J: 55
Heat treatment temperature /℃|annealing / normalizing : 660 ~ 700
Heat treatment temperature /℃|quenching: 880~920 oil
Heat treatment temperature /℃|tempering: 600~660
HBS: 145 ~ 175
Tensile strength, (≥) σb / MPa: 490～590
Yield strength, (≥) σs / MPa: 295
Elongation, (≥) δ5 (%): 20.0
Impact strength, (≥) AKV / J: 55
MECHANICAL PROPERTY UNDER HIGH TEMPERATURE
Yield strength σ0.2≥/MPa|200℃: -
Yield strength σ0.2≥/MPa|300℃: 275
Yield strength σ0.2≥/MPa|350℃: 255
Yield strength σ0.2≥/MPa|400℃: 235
Yield strength σ0.2≥/MPa|450℃: 206
Yield strength σ0.2≥/MPa|500℃: 186
Yield strength σ0.2≥/MPa|300℃: 275
Yield strength σ0.2≥/MPa|350℃: 255
Yield strength σ0.2≥/MPa|400℃: 235
Yield strength σ0.2≥/MPa|450℃: 206
Yield strength σ0.2≥/MPa|500℃: 186
PROFILE & DIMENSIONS
Round bar / rod (diameter): 5.5mm to 800mm
Square bar / flat bar: 8mm to 600mm
Plate / Sheet steel / Steel strip: 0.5mm to 300mm
Width: 8mm to 1000mm
Length: random length or based on the customer's special requirement.
Forged steel shape: stepped shafts, and other different shapes based on OEM.
TYPICAL APPLICATIONS
Alloy structural steels are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on.
Mechanical gears, gear shaft, main axis, valve rod.
Mechanical parts - connecting rod, bolt and nut.
Multidiameter shaft, Pressure vessel, seamless pipe.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry or help, pleased to email or call our resident team of qualified production engineers. Email: sales@ccsteels.com
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