1.7271
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Specifications 1.7271 Datasheet, Inventory suppliers 1.7271 Chemical, Stocklist 1.7271 Property from steelmaking, ESR, blooming, hot forging, hot rolling, heat treatment, straightened, ultrasonic test, cold working, machined. We also possess advanced precision machining equipments for further processing.
Material specification - DIN EN 10084 (1998), DIN 17210 (1986)
Official Test Certificate: issued by TUV - SGS - BV
TECHNICAL DATASHEET - Grade W-Nr 1.7271
MATERIAL CATEGORY - Carburizing structural steel
MATERIAL SPECIFICATIONS - DIN EN 10084 (1998), DIN 17210 (1986)
CHEMICAL COMPOSITION ( Mass weight - % )
C (％): 0.20 ~ 0.25
Si (％): 0.15 ~ 0.35
Mn (％): 0.70 ~ 0.90
P (％)≤: 0.035
S (％)≤: 0.035
Cr (％): 0.70 ~ 0.90
Mo (％): 0.30 ~ 0.40
Ni (％): -
B (％): 0.0008 ~ 0.005
C (％): 0.20 ~ 0.25
Si (％): 0.15 ~ 0.35
Mn (％): 0.70 ~ 0.90
P (％)≤: 0.035
S (％)≤: 0.035
Cr (％): 0.70 ~ 0.90
Mo (％): 0.30 ~ 0.40
Ni (％): -
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
AVAILABLE SHAPES
Round bar / flat bar / Steel strip / plate / forgings
Bright - peeled + polishing, centerless grinding
Forged - ring, tube, pipe casing, discs, shaft
PROFILE & DIMENSIONS
Round bar / Wire rod (Diameter): 5.5mm to 600mm
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 600mm
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 - 200mm X W1000- 2500mm X L1000-12000mm
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 with flanks / discs /tubes /slugs /donuts /cubes /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 with flanks / discs /tubes /slugs /donuts /cubes /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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