1.7271
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Specifications 1.7271 technical datasheet, Inventory supplier stockist 1.7271 steelmaking, ESR, hot bloomed, forged / rolled, heat treated
Official Test Certificate: issued by TUV - SGS - BV
TECHNICAL DATA SHEET - 1.7271
Material category: carburizing structural steel
Material specifications: DIN EN 10084 (1998), DIN 17210 (1986)
Typical chemical compositions (mass fraction % )
Carbon, C (％): 0.20 ~ 0.25
Silicon, Si (％): 0.15 ~ 0.35
Manganese, Mn (％): 0.70 ~ 0.90
Phosphorus, P (％): ≤ 0.035
Sulfur, S (％): ≤ 0.035
Chromium, Cr (％): 0.70 ~ 0.90
Molybdenum, Mo (％): 0.30 ~ 0.40
Nickel, Ni (％): -
Boron, B (％): 0.0008 ~ 0.005
Carbon, C (％): 0.20 ~ 0.25
Silicon, Si (％): 0.15 ~ 0.35
Manganese, Mn (％): 0.70 ~ 0.90
Phosphorus, P (％): ≤ 0.035
Sulfur, S (％): ≤ 0.035
Chromium, Cr (％): 0.70 ~ 0.90
Molybdenum, Mo (％): 0.30 ~ 0.40
Nickel, Ni (％): -
Boron, B (％): 0.0008 ~ 0.005
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working temperature /℃: 1150～850
Heat treatment temperature /℃|annealing: 650～700
Heat treatment temperature /℃|carburizing: 840～880
Heat treatment temperature /℃|quenching (Center): 900～950
Heat treatment temperature /℃|quenching (Surface): -
Heat treatment temperature /℃|tempering: 170～210
Hardness after annealing HBS≤: 217
Heat treatment temperature /℃|annealing: 650～700
Heat treatment temperature /℃|carburizing: 840～880
Heat treatment temperature /℃|quenching (Center): 900～950
Heat treatment temperature /℃|quenching (Surface): -
Heat treatment temperature /℃|tempering: 170～210
Hardness after annealing HBS≤: 217
Size /mm: φ11
After surface hardening | σb / MPa: 1180~1470
After surface hardening | σs ≥ MPa: 835
After surface hardening | δ5 (％)≥: 7
After surface hardening | ψ (％)≥: 30
After surface hardening | δ5 (％)≥: 7
After surface hardening | ψ (％)≥: 30
After surface hardening |AKV / J: 27
Size /mm: φ30
After surface hardening | σb / MPa: 980~1270
After surface hardening | σb / MPa: 980~1270
After surface hardening | σs ≥ MPa: 685
After surface hardening | δ5 (％)≥: 8
After surface hardening | ψ (％)≥: 35
After surface hardening | δ5 (％)≥: 8
After surface hardening | ψ (％)≥: 35
After surface hardening | AKV / J: 27
Size /mm: φ63
After surface hardening | σb / MPa: 1080 ~ 1370
After surface hardening | σb / MPa: 1080 ~ 1370
After surface hardening | σs ≥ MPa: 785
After surface hardening | δ5 (％)≥: 8
After surface hardening | ψ (％)≥: 35
After surface hardening | δ5 (％)≥: 8
After surface hardening | ψ (％)≥: 35
After surface hardening | AKV / J: 27
PROFILE & DIMENSIONS
Round bar / rod / disc (diameter): 6.0 to 810 mm
Square bar / flat bar: 10 to 600 mm
Length: random length or based on the customer's special requirement.
Square bar / flat bar: 10 to 600 mm
Length: random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T6 ~ 200 X W15 ~ 1500mm X L1000 - 6000 mm
Sheet steel via cold rolled: T0.5 ~ 6 X W60 ~ 1000 X L 1000 ~ 2000 mm
Steel strip via cold rolled: T0.3 ~ 3 X W10 ~ 200 X L mm (or in coil form)
Forging piece: stepped shafts, other different shapes based on OEM.
Sheet steel via cold rolled: T0.5 ~ 6 X W60 ~ 1000 X L 1000 ~ 2000 mm
Steel strip via cold rolled: T0.3 ~ 3 X W10 ~ 200 X L mm (or in coil form)
Forging piece: stepped shafts, 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, seamless pipe.
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, seamless pipe.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry or help, pleased to EMAIL our resident team of qualified production engineers, Email: sales@ccsteels.com.
If you meet further on any technical enquiry or help, pleased to EMAIL our resident team of qualified production engineers, Email: sales@ccsteels.com.
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