1.8550
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DIN EN 10085 material standards carburized steel 1.8550 heat treated round bar, flat bar 1.8550 rolled plate, ESR, hot forged, rolled, cold worked
Official test certificate: issued by TUV - SGS - BV
TECHNICAL DATA SHEET - 34CrAlN7-10 & 1.8550
Material category: 1.65Cr - 1.0Ni - 0.2Mo - 1.0Al base carburized steel
Technical specification: DIN EN 10085 (2001), DIN 17211 (1987)
Typical chemical elements (mass fraction %)
Carbon, C (％): 0.30 ~ 0.37
Silicon, Si (％): ≤ 0.40
Manganese, Mn (％): 0.40 ~ 0.70
Phosphorus, P (％): ≤ 0.025
Sulfur, S (％): ≤ 0.020
Chromium, Cr (％): 1.50 ~ 1.80
Molybdenum, Mo (％): 0.15 ~ 0.25
Aluminum, Al (％): 0.80 ~ 1.20
Carbon, C (％): 0.30 ~ 0.37
Silicon, Si (％): ≤ 0.40
Manganese, Mn (％): 0.40 ~ 0.70
Phosphorus, P (％): ≤ 0.025
Sulfur, S (％): ≤ 0.020
Chromium, Cr (％): 1.50 ~ 1.80
Molybdenum, Mo (％): 0.15 ~ 0.25
Aluminum, Al (％): 0.80 ~ 1.20
Nickel, Ni (%): 0.85 ~ 1.15
MECHANICAL PROPERTIES - HEAT TREATMENT AND HARDNESS
Hot working temperature /℃: 1050 ~ 850
Heat treatment temperature / ℃ | annealing: 650 ~ 700
Heat treatment temperature / ℃ | quenching: 850 ~ 900 Oil
Heat treatment temperature / ℃ | tempering: 570 ~ 660
Hot working temperature /℃: 1050 ~ 850
Heat treatment temperature / ℃ | annealing: 650 ~ 700
Heat treatment temperature / ℃ | quenching: 850 ~ 900 Oil
Heat treatment temperature / ℃ | tempering: 570 ~ 660
Heat treatment temperature / ℃ | carburizing: 500 ~ 520
Hardness after annealing HBS ≤: 248
Hardness after annealing HBS ≤: 248
Size /mm: ≤ 40
Tensile strength, ≥ Rm / MPa: 1470
Yield strength, Rp0.2 ≥ MPa: -
Elongation, δ5 (％) ≥: -
Impact strength, ≥ AKv / J (DVM-V form sampling): -
Impact strength, ≥ AKv / J (DVM-V form sampling): -
Size /mm: ≤ 100
≥ σb / MPa: 1050
≥ σs ≥ MPa: 650
≥ δ5 (％) ≥: 13
≥ AKV / J (DVM-V form sampling): 35
≥ AKV / J (DVM-V form sampling): 35
Size / mm: ≤ 250
≥ σb / MPa: 1000
≥ σs / MPa: 600
≥ δ5 (％) ≥: 19
≥ AKV / J (DVM-V form sampling): 40
≥ AKV / J (DVM-V form sampling): 40
PROFILES AND DIMENSIONS
Round bar / rod (diameter): 6.0 to 800 mm
Square bar / flat bar: 8 to 600 mm
Length: random length or based on the customer's special requirement.
Round bar / rod (diameter): 6.0 to 800 mm
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: T6 ~ 400 X W10 ~ 1500 X L1000 ~ 12000 mm
Sheet steel via cold rolled: T0.5 ~ 6 X W10 ~ 1000 X L1000 ~ 2000 mm
Steel strip via cold rolled: T0.4 ~ 3 X W15 ~ 200 X L mm (or in coil form)
Forging piece: stepped shafts, and other different shapes based on OEM.
Sheet steel via cold rolled: T0.5 ~ 6 X W10 ~ 1000 X L1000 ~ 2000 mm
Steel strip via cold rolled: T0.4 ~ 3 X W15 ~ 200 X L mm (or in coil form)
Forging piece: 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.
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, 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, Pressure vessel.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers.- Email: sales@ccsteels.com.
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers.- Email: sales@ccsteels.com.
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