39CrMoV13-9 ESR
2015-01-30 09:48:13 Origin： Remark：0 Click：
High quality steel 39CrMoV13-9 Shaft, round bar, plate Steelmaking, ESR, Hot forging, rolling, heat treatment, straightened, ultrasonic test, cold working, machined.
Official Test Certificate: issued by TUV - SGS - BV
RAM MATERIAL SPECIFICATION - DIN 39CrMoV13-9 +ESR
MATERIAL CATEGORY: Carburized structural steel
PRODUCT DESCRIPTION
Proven performance in long-term service.
Extensive database of long term, high temperature test results.
High room and elevated temperature strength, High notch tolerance.
Thermal expansion coefficients compatible with low alloy steel turbine casing materials.
Lower design and operating risks
Simplified design for bolting configuration compared with martensitic steels or high nickel alloys.
Proven performance in long-term service.
Extensive database of long term, high temperature test results.
High room and elevated temperature strength, High notch tolerance.
Thermal expansion coefficients compatible with low alloy steel turbine casing materials.
Lower design and operating risks
Simplified design for bolting configuration compared with martensitic steels or high nickel alloys.
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 - Quenched and tempered.
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 - Quenched and tempered.
MATERIAL SPECIFICATIONS - DIN EN 10085 (2001), DIN 17211 (1987)
CHEMICAL COMPOSITION (mass weight %)
C (％): 0.35 ~ 0.42
Si (％): 0.15 ~ 0.40
Mn (％): 0.40 ~ 0.70
P (％)≤: 0.030
S (％)≤: 0.035
Cr (％): 3.00 ~ 3.50
Mo (％): 0.80 ~ 1.10
V (％): 0.15 ~ 0.25
C (％): 0.35 ~ 0.42
Si (％): 0.15 ~ 0.40
Mn (％): 0.40 ~ 0.70
P (％)≤: 0.030
S (％)≤: 0.035
Cr (％): 3.00 ~ 3.50
Mo (％): 0.80 ~ 1.10
V (％): 0.15 ~ 0.25
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working temperature /℃: 1050～850
Heat treatment temperature /℃|annealing: 650～700
Heat treatment temperature /℃|quenching: 920 ~ 960 Oil or air cooled
Heat treatment temperature /℃|tempering: 570～650
Hot working temperature /℃: 1050～850
Heat treatment temperature /℃|annealing: 650～700
Heat treatment temperature /℃|quenching: 920 ~ 960 Oil or air cooled
Heat treatment temperature /℃|tempering: 570～650
Heat treatment temperature /℃|carburizing: 490～510
Hardness after annealing HBS≤: 262
Hardness after annealing HBS≤: 262
Size /mm: ≤ 40
Tensile strength, ≥|σb/MPa: 1240
Yield strength, ≥|σs≥/MPa: 1080
Elongation, ≥|δ5 (％)≥: 8.0
Impact strength, ≥|AKV/J (DVM-V form sampling): 27
Impact strength, ≥|AKV/J (DVM-V form sampling): 27
Size /mm: ≤ 100
≥|σb/MPa: 1270
≥|σs≥/MPa: -
≥|δ5(％)≥: -
≥|AKV/J (DVM-V form sampling): -
≥|AKV/J (DVM-V form sampling): -
Size /mm: ≤ 250
≥|σb/MPa: 1080
≥|σs≥/MPa: -
≥|δ5(％)≥: -
≥|AKV/J (DVM-V form sampling): -
≥|AKV/J (DVM-V form sampling): -
PROFILE & DIMENSIONS
Round bar (Diameter): 5.5mm to 550mm
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Round bar (Diameter): 5.5mm to 550mm
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 - 450mm X W60 - 1000mm X L1000 - 12000mm
Forging piece: stepped shafts, other different shapes based on OEM.
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.
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.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry, pleased to EMAIL our resident team of qualified production engineers. E-mail: sales@ccsteels.com
If you meet further on any technical enquiry, pleased to EMAIL our resident team of qualified production engineers. E-mail: sales@ccsteels.com
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