D6AC
2016-01-22 10:22:13 Origin： Remark：0 Click：
Aircraft D6AC Ultra high strength 1470 Mpa Steel, Round bar Stock Available, D6AC Properties Vacuum induction melting ESR melted, Hot forging/rolling, Heat treatment
TECHNICAL DATA SHEET - Grade D6AC
MATERIAL CATEGORY - Ultra high strength 1471/1520Mpa alloy steel
MAIN FEATURES - D6AC VAC-ARC steel is a medium carbon, low alloy, ultra high strength 1471Mpa steel primarily designed for high strength structural applications
D6AC steel is produced by the consumable electrode vacuum arc remelting process to provide optimum cleanliness and preferred ingot structure, which in turn provide optimum transverse mechanical properties.
CHEMICAL COMPOSITION (mass weight - %)
Carbon, C (％): 0.42 ~ 0.48
Silicon, Si (％): 0.15 ~ 0.35
Manganese, Mn (％): 0.60 ~ 0.90
Phosphorus, P (％) ≤: 0.015
Sulfur, S (％) ≤: 0.015
Chromium, Cr (％): 0.90 ~ 1.20
Silicon, Si (％): 0.15 ~ 0.35
Manganese, Mn (％): 0.60 ~ 0.90
Phosphorus, P (％) ≤: 0.015
Sulfur, S (％) ≤: 0.015
Chromium, Cr (％): 0.90 ~ 1.20
Nickel, Ni (%): 0.40 ~ 0.70
Molybdenum, Mo (％): 0.90 ~ 1.10
Molybdenum, Mo (％): 0.90 ~ 1.10
Vanadium, V (%): 0.05 ~ 0.10
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Condition: Heat treatment - Austenitized at 900℃ . Oil quenched and air cooled, or salt quenched at 205 ~ 220 ℃ for 10 minutes and air cooled
Tensile strength, σb ≥ MPa: 1471
Yield strength, σs ≥ MPa: 1373
Elongation δ5 ≥ (%): 9
Yield strength, σs ≥ MPa: 1373
Elongation δ5 ≥ (%): 9
Impact, AKv ≥ J: 35
Hardness HRC: 45
Hardness HRC: 45
Working pressure /MPa: 932.0
Bursting pressure /MPa: 1275.0
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.
PRODUCT PROFILES & DIMENSIONS
Round bar & Disc (diameter): 5.5mm to 700mm
Square bar / Flat bar: 10mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Round bar & Disc (diameter): 5.5mm to 700mm
Square bar / Flat bar: 10mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Steel strip: T0.5 ~ 3mm X W10 ~ 800mm X Coil
Heavy/middle plate via hot rolled: T60 - 300mm X W100 - 1000mm X L1000 ~ 2000mm
Forging piece: stepped shafts, and other different shapes based on OEM.
Heavy/middle plate via hot rolled: T60 - 300mm X W100 - 1000mm X L1000 ~ 2000mm
Forging piece: stepped shafts, and other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE & SERVICE
If you meet further on any technical enquiry. pleased to EMAIL (sales@ccsteels.com) our resident team of qualified production engineers.
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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