1.5714
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DIN EN 10084 (1998) of Carburzing Steel 1.5714 Round bar, flat bar, Forgings 1.5714 ESR, blooming, forging, rolling, heat treatment, straightened, ultrasonic test, cold machined.
TECHNICAL SPECIFICATION - W-Nr 1.5714
MATERIAL CATEGORY: Carburizing structural steel
PRODUCT DESCRIPTION
Alloy structural steel is provided with higher yield strength, tensile strength, endurance strength, yield ratio (about 0.85 generally ) enough plasticity and toughness.
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, or bright annealing specially.
Final heat treatment - heat treatment / QT
MATERIAL SPECIFICATIONS - DIN EN 10084 (1998), DIN 17210 (1986)
CHEMICAL COMPOSITION (mass weight - %)
Carbon, C (％): 0.13 ~ 0.19
Silicon, Si (％): ≤ 0.40
Manganese, Mn (％): 0.70 ~ 1.00
Phosphorus, P (％)≤: 0.035
Sulfur, S (％)≤: 0.035
Chromium, Cr (％): 0.60 ~ 1.00
Molybdenum, Mo (％): -
Nickel, Ni (％): 0.80 ~ 1.10
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Heat treatment temperature /℃|annealing: 610～650
Heat treatment temperature /℃|carburizing: 880～980
Heat treatment temperature /℃|quenching (Center): 850～890
Heat treatment temperature /℃|quenching (Surface): 780~820 oil
Heat treatment temperature /℃|tempering: 150～200
Hardness after annealing HBS≤: 217
Size /mm: φ11
After surface hardening |σb/MPa: ≥1000
After surface hardening |σs≥/MPa: -
After surface hardening |δ5(％)≥: -
After surface hardening |ψ(％)≥: -
After surface hardening |AKV/J: -
|size /mm: φ30
|σb/MPa: ≥900
|σs≥/MPa: -
|δ5(％)≥: -
|ψ(％)≥: -
|AKV/J: -
|size /mm: φ63
|σb/MPa: 1080~1320
|σs≥/MPa: 785
|δ5(％)≥: 8
|ψ(％)≥: 40
|AKV/J: -
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.
PRODUCT PROFILE & DIMENSIONS
Round bar / Disc (diameter): 5.5mm to 800mm
Square bar / Flat bar: 10mm 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 W50 - 1200mm X L1000 - 5000mm
Sheet steel via cold rolled: T0.5 - 6mm X W60 - 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.
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
MATERIAL CATEGORY: Carburizing structural steel
PRODUCT DESCRIPTION
Alloy structural steel is provided with higher yield strength, tensile strength, endurance strength, yield ratio (about 0.85 generally ) enough plasticity and toughness.
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, or bright annealing specially.
Final heat treatment - heat treatment / QT
MATERIAL SPECIFICATIONS - DIN EN 10084 (1998), DIN 17210 (1986)
CHEMICAL COMPOSITION (mass weight - %)
Carbon, C (％): 0.13 ~ 0.19
Silicon, Si (％): ≤ 0.40
Manganese, Mn (％): 0.70 ~ 1.00
Phosphorus, P (％)≤: 0.035
Sulfur, S (％)≤: 0.035
Chromium, Cr (％): 0.60 ~ 1.00
Molybdenum, Mo (％): -
Nickel, Ni (％): 0.80 ~ 1.10
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Heat treatment temperature /℃|annealing: 610～650
Heat treatment temperature /℃|carburizing: 880～980
Heat treatment temperature /℃|quenching (Center): 850～890
Heat treatment temperature /℃|quenching (Surface): 780~820 oil
Heat treatment temperature /℃|tempering: 150～200
Hardness after annealing HBS≤: 217
Size /mm: φ11
After surface hardening |σb/MPa: ≥1000
After surface hardening |σs≥/MPa: -
After surface hardening |δ5(％)≥: -
After surface hardening |ψ(％)≥: -
After surface hardening |AKV/J: -
|size /mm: φ30
|σb/MPa: ≥900
|σs≥/MPa: -
|δ5(％)≥: -
|ψ(％)≥: -
|AKV/J: -
|size /mm: φ63
|σb/MPa: 1080~1320
|σs≥/MPa: 785
|δ5(％)≥: 8
|ψ(％)≥: 40
|AKV/J: -
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.
PRODUCT PROFILE & DIMENSIONS
Round bar / Disc (diameter): 5.5mm to 800mm
Square bar / Flat bar: 10mm 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 W50 - 1200mm X L1000 - 5000mm
Sheet steel via cold rolled: T0.5 - 6mm X W60 - 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.
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
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