27MnCrB5-2
2025-02-04 13:18:00 Origin： Remark：0 Click：
EN 10083-3 Specifications 27MnCrB5-2 Round bar, Flat bar, Plate 27MnCrB5 Properties Steelmaking, ESR melted, Hot rolling, Heat treatment
TECHNICAL DAASHEET - NF 27MnCrB5-2
Official Test Certificate: issued by TUV - SGS - BV
MATERIAL TYPE - Quenched and tempered steel
MATERIAL STANDARDS - NF EN 10083-3
CHEMICAL COMPOSITIONS (mass weight - %)
Carbon, C (％): 0.24 ~ 0.30
Silicon, Si (％): ≤ 0.40
Manganese, Mn (％): 1.10 ~ 1.40
Phosphorus, P (％) ≤: 0.025
Sulfur, S (％) ≤: 0.035
Phosphorus, P (％) ≤: 0.025
Sulfur, S (％) ≤: 0.035
Chromium, Cr (%): 0.30 ~ 0.60
Nickel, Ni (%): -
Molybdenum, Mo (%): -
Boron, B (％): 0.0008 ~ 0.0050
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Tensile strength, Rm ≥ MPa: 1150
Yield strength, Rp0.2 ≥ MPa: -
Yield strength, Rp0.2 ≥ MPa: -
Elongation. δ5 ≥ (%): 8.0
Reduction of area, ψ (％) ≥: -
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 + IFF + VD 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
Forged - ring, discs, shaft
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.
Process plant – fasteners.
Mechanical gears, gear shaft, main axis, valve rods.
Mechanical parts - connecting rod, bolt and nut.
Multidiameter shafts.
PROFILE & DIMENSIONS
Rod / 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.
Rod / 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: T6 - 300mm 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.
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.
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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