37Cr4
2014-11-10 10:22:13 Origin： Remark：0 Click：
DIN EN 10263-4 (2002) Material specification 37Cr4 Forgings, Round bar, Flat bar 37Cr4E ESR, Hot forging & rolling, heat treatment, Ultrasonic test, cold working,machined.
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
RAW MATERIAL SPECIFICATION - Grade DIN 37Cr4
MATERIAL CATEGORY: Cold heading & cold extruding steel
MATERIAL SPECIFICATIONS: DIN EN 10263-4 (2002), DIN 1654 (1989)
CHEMICAL COMPOSITION (mass weight - %)
Carbon, C (％): 0.34 ~ 0.41
Silicon, Si (％): ≤ 0.40
Manganese, Mn (％): 0.60 ~ 0.90
Phosphorus, P (％)≤: 0.035
Sulfur, S (％)≤: 0.035
Chromium, Cr (％): 0.90 ~ 1.20
Molybdenum, Mo (％): -
Nickel, Ni (％): -
Silicon, Si (％): ≤ 0.40
Manganese, Mn (％): 0.60 ~ 0.90
Phosphorus, P (％)≤: 0.035
Sulfur, S (％)≤: 0.035
Chromium, Cr (％): 0.90 ~ 1.20
Molybdenum, Mo (％): -
Nickel, Ni (％): -
MECHANICAL PROPERTIES - Cold heading/Cold extruding steel
Soft annealing temperature /℃: 680～720
Soft annealed (≤100mm)|σb/MPa: 630
Soft annealed (≤100mm)|ψ(％): 58
Cold draw soft annealed (≤60mm)|σb/MPa: 610
Cold draw soft annealed (≤60mm)|ψ(％): 60
Soft annealed (≤100mm)|σb/MPa: 630
Soft annealed (≤100mm)|ψ(％): 58
Cold draw soft annealed (≤60mm)|σb/MPa: 610
Cold draw soft annealed (≤60mm)|ψ(％): 60
Heat treatment / quenching temperature /℃| water quenching: 825~835
Heat treatment / quenching temperature /℃|oil quenching: 835~865
Heat treatment / tempering temperature /℃: 540~680
Heat treatment / quenching temperature /℃|oil quenching: 835~865
Heat treatment / tempering temperature /℃: 540~680
Mechancial after heat treatment
≥|σb/MPa: 830 - 930
≥|σs/MPa: 630
≥|δ5(％): 13.0
≥|ψ(％): 45.0
≥|σb/MPa: 830 - 930
≥|σs/MPa: 630
≥|δ5(％): 13.0
≥|ψ(％): 45.0
≥|AKV DVM-V form sampling /J: 41
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.
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.
PRODUCT PROFILE & DIMENSIONS
Round bar / Disc (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 / Disc (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: T60 - 400mm X W100 - 1000mm X L1000 - 5000mm
Sheet steel via cold rolled: T0.5 - 6mm X W600- 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, other different shapes based on OEM.
Sheet steel via cold rolled: T0.5 - 6mm X W600- 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, other different shapes based on OEM.
ADVANTAGE & SUPERIOR SERVICE
20+ years Focus On Special Steel Manufacturing and processing.
Stock over 60 grades with a competitive price, along with cutting service for specific requirement.
CNC saw cutting.
Marking by stamping or printing.
Third party inspection service.
Export packing / Export documents.
Transport by Track, Sea, Courier (FedEx, UPS, DHL) and Air Cargo.
20+ years Focus On Special Steel Manufacturing and processing.
Stock over 60 grades with a competitive price, along with cutting service for specific requirement.
CNC saw cutting.
Marking by stamping or printing.
Third party inspection service.
Export packing / Export documents.
Transport by Track, Sea, Courier (FedEx, UPS, DHL) and Air Cargo.
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