1.8507
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DIN EN 10085 carburized structural steel 1.8507 peeled round bar, cold drawn rod, plate, ESR, hot forged, rolled, heat treated, stock available
TECHNICAL DATA SHEET - DIN 1.8507
Official test certificate: issued by TUV - SGS - BV
Material category: 1.15Cr - 0.2Mo - 1.0Al base carburized structural steel
Material specifications - DIN EN 10085 (2001), DIN 17211 (1987)
Typical chemical compositions (mass fraction %)
Carbon, C (％): 0.30 ~ 0.37
Silicon, Si (％): ≤ 0.40
Manganese, Mn (％): 0.40 ~ 0.70
Phosphorus, P (％) ≤: 0.025
Sulfur, S (％) ≤: 0.035
Chromium, Cr (％): 1.00 ~ 1.30
Molybdenum, Mo (％): 0.15 ~ 0.25
Aluminum, Al (％): 0.80 ~ 1.20
Silicon, Si (％): ≤ 0.40
Manganese, Mn (％): 0.40 ~ 0.70
Phosphorus, P (％) ≤: 0.025
Sulfur, S (％) ≤: 0.035
Chromium, Cr (％): 1.00 ~ 1.30
Molybdenum, Mo (％): 0.15 ~ 0.25
Aluminum, Al (％): 0.80 ~ 1.20
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT CYCLE
Hot working temperature /℃: 1050～850
Heat treatment temperature / ℃ | annealing: 650～700
Heat treatment temperature / ℃ | quenching: 900~930 Water,910~940 Oil
Heat treatment temperature / ℃ | tempering: 570～650
Heat treatment temperature / ℃ | annealing: 650～700
Heat treatment temperature / ℃ | quenching: 900~930 Water,910~940 Oil
Heat treatment temperature / ℃ | tempering: 570～650
Heat treatment temperature / ℃ | carburizing: 500～520
Hardness after annealing HBS≤: 248
Hardness after annealing HBS≤: 248
Size /mm: ≤ 40
Tensile strength, ≥ σb / MPa: 1000
Yield strength, ≥ σs ≥ MPa: 600
Elongation, ≥ δ5 (％) ≥: 14.0
Impact strength, ≥ AKv / J (DVM-V form sampling): 40
Impact strength, ≥ AKv / J (DVM-V form sampling): 40
Hardness of Carburized layer | HV: 950
PROFILE & DIMENSIONS
PROFILE & DIMENSIONS
Round bar / rod / disc (diameter): 6.0 to 850 mm
Square bar / flat bar: 8 to 600 mm
Length: random length or based on the customer's special requirement.
Square bar / flat bar: 8 to 600 mm
Length: random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T10 ~ 450 X W60 ~ 1000 X L1000 ~ 12000 mm
Sheet steel via cold rolled: T0.5 ~ 6 X W60 ~ 1000 X L1000 ~ 2000 mm
Steel strip via cold rolled: T0.4 ~ 3 X W5 ~ 200 X L mm (or in coil form)
Forging piece: stepped shafts, and other different shapes based on OEM.
Steel strip via cold rolled: T0.4 ~ 3 X W5 ~ 200 X L mm (or in coil form)
Forging piece: stepped shafts, and other different shapes based on OEM.
PRODUCT DESCRIPTION
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 - quenched and tempered.
Bars are usually supplied bright in the annealed condition.
Final heat treatment - quenched and tempered.
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.
Power generation – turbine fasteners – boiler support rods.
Process plant – fasteners.
Mechanical gears, gear shaft, main axis, valve rod.
Mechanical parts - connecting rod, bolt and nut.
Multidiameter shaft and pressure vessel.
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.
Power generation – turbine fasteners – boiler support rods.
Process plant – fasteners.
Mechanical gears, gear shaft, main axis, valve rod.
Mechanical parts - connecting rod, bolt and nut.
Multidiameter shaft and pressure vessel.
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