1.8550
2015-01-31 10:19:35 Origin： Remark：0 Click：
DIN EN 10085 Specifications Carburized Steel 1.8550 Round bar, Flat bar 1.8550 Plate Steelmaking, ESR, Hot forging, rolling, Heat treatment, Cold worked.
Official Test Certificate: issued by TUV - SGS - BV
TECHNICAL DATASHEET - DIN 34CrAlN7-10 & W-Nr 1.8550
MATERIAL CATEGORY: Carburized structural steel
MATERIAL SPECIFICATIONS - DIN EN 10085 (2001), DIN 17211 (1987)
CHEMICAL COMPOSITION (mass weight - %)
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 - HOT WORKING, 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
≥|σb/MPa: 1470
≥|σs≥/MPa: -
≥|δ5(％)≥: -
≥|AKV/J (DVM-V form sampling): -
≥|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
PRODUCT PROFILE
Round bar / Wire rod (Diameter): 5.5mm to 800mm
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Round bar / Wire rod (Diameter): 5.5mm to 800mm
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T6 - 400mm X W10 - 1500mm X L1000-12000mm
Sheet steel via cold rolled: T0.5 - 6mm X W6 - 1000mm X L1000 - 2000mm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 200mm X L (or in coil form)
Forging piece: stepped shafts, and other different shapes based on OEM.
Sheet steel via cold rolled: T0.5 - 6mm X W6 - 1000mm X L1000 - 2000mm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 200mm X L (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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