40CrMoV4-6
2026-03-08 20:10:00 Origin： Remark：0 Click：
DIN EN 10028-2 material specification structual steel 40CrMoV4-6 round bar Inventory, 40CrMoV4-6 shaft, ESR remelted, quenched and tempered steel
TECHNICAL DATA SHEET - 40CrMoV4-6
MATERIAL CATEGORY - high temperature structural steel
PRODUCT DESCRIPTION
The alloy is usually produced by EAF 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 - Quenched and tempered.
STOCKIST & INVENTORY ON HAND - round bar diam. 45 ~ 110 mm.
MATERIAL SPECIFICATIONS - DIN EN 10028-2 (2003), DIN 17755 (1983)
TYPICAL CHEMICAL COMPOSITIONS (mass fraction %)
Carbon, C (％): 0.36 ~ 0.44
Silicon, Si (％): 0.15 ~ 0.35
Manganese, Mn (％): 0.35 ~ 0.85
Phosphorus, P (％): ≤ 0.030
Sulfur, S (％): ≤ 0.035
Chromium, Cr (％): 0.90 ~ 1.20
Molybdenum, Mo (％): 0.60 ~ 0.75
Nickel, Ni (％): -
Silicon, Si (％): 0.15 ~ 0.35
Manganese, Mn (％): 0.35 ~ 0.85
Phosphorus, P (％): ≤ 0.030
Sulfur, S (％): ≤ 0.035
Chromium, Cr (％): 0.90 ~ 1.20
Molybdenum, Mo (％): 0.60 ~ 0.75
Nickel, Ni (％): -
Vanadium, V (%): 0.25 ~ 0.35
Other (％): Al ≤ 0.015
Other (％): Al ≤ 0.015
MECHANICAL PROPERTIES - HEAT TREATMENT AND HARDNESS
Hot working temperature /℃: 1100 ~ 850
Heat treatment temperature / ℃ | annealing / normalizing: 650 ~ 720
Heat treatment temperature / ℃ | quenching: 880 ~ 930 oil
Heat treatment temperature / ℃ | tempering: 670 ~ 730
Hardness, HBW: 250 ~ 295
Tensile strength, (≥) σb / MPa: 850 ~ 1000
Yield strength, (≥) σs / MPa: 700
Elongation, (≥) δ5 (%): 14.0
Impact strength, (≥) AKv / J: 41
Heat treatment temperature / ℃ | annealing / normalizing: 650 ~ 720
Heat treatment temperature / ℃ | quenching: 880 ~ 930 oil
Heat treatment temperature / ℃ | tempering: 670 ~ 730
Hardness, HBW: 250 ~ 295
Tensile strength, (≥) σb / MPa: 850 ~ 1000
Yield strength, (≥) σs / MPa: 700
Elongation, (≥) δ5 (%): 14.0
Impact strength, (≥) AKv / J: 41
PROFILE & DIMENSION
Round bar / Disc (diameter): 6.0 to 800 mm
Square bar / flat bar: 10 to 600 mm
Plate / sheet / strip: 0.5 to 20 mm
Width: 8 to 1000 mm
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 and pressure vessel parts.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to email or call our resident team of qualified production engineers. Email: sales@ccsteels.com
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