31CrMoV9
2019-02-13 14:52:14 Origin： Remark：0 Click：
DIN EN 10085 Carburized Structural Steel 31CrMoV9 Round bar, Flat bar, Hexagon bar 31CrMoV9 Rod, ESR, Hot forging / rolling, heat treatment
TECHNICAL DATA SHEET - Grade DIN 31CrMoV9
MELTING PROCESS - EF + Consumable electrode remelted
H S CODE For Customs - 7228 4000 / 7228 5000 / 7228 6000
STOCK AVAILABLE - Round bar Diam. 10 ~ 160 mm
MATERIAL SPECIFICATIONS - DIN EN 10085 (2001), DIN 17211 (1987)
CHEMICAL COMPOSITION (mass weight - %)
Carbon, C (％): 0.26 ~ 0.34
Silicon, Si (％): ≤ 0.40
Manganese, Mn (％): 0.40 ~ 0.70
Phosphorus, P (％) ≤: 0.025
Sulfur, S (％) ≤: 0.030
Chromium, Cr (％): 2.30 ~ 2.70
Molybdenum, Mo (％): 0.15 ~ 0.25
Vanadium, V (％): 0.10 ~ 0.20
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working temperature /℃: 1050～850
Heat treatment temperature /℃|annealing: 680～720
Heat treatment temperature /℃|quenching: 840~880 oil or water
Heat treatment temperature /℃|tempering: 570～680
Heat treatment temperature /℃|carburizing: 500～520
Hardness after annealing HBS≤: 248
Size /mm: ≤ 40
Tensile strength, Rm MPa: 1230
Yield strength, Rp0.2 ≥ MPa: 1030
Elongation, A5 (％) ≥: 9.0
Impact, ≥|AKV/J (DVM-V form sampling): 34
Size /mm: ≤ 100
Tensile strength, ≥|σb/MPa: 1200
Yield strength, ≥|σs≥/MPa: 800
Elongation, ≥ |δ5(％)≥: 11.0
AKV / J (DVM-V form sampling): 40
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.
AVAILABLE FORMS & DIMENSIONS
Round bar & Disc (diameter): 5.5mm to 450mm
Square bar / Flat bar: 10mm to 550mm
Steel strip / Sheet: THK0.5 ~ 3.0mm, Width 10 ~ 300mm
Length: Fixed length or random length or based on the customer's special requirement.
Other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to EMAIL (sales@ccsteels.com) our resident team of qualified production engineers.
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