Material Specification DIN EN 10084 Hardened Steel 20NiCrMo14-5 Round bar, Flat bar, Plate and Forgings, Hot rolling, Heat treatment, Cold finished.
MATERIAL DAASHEET - Grade 20NiCrMo14-5
Official Test Certificate: issued by TUV - SGS - BV
Material type - Quenched and tempered steel
Material standards - DIN EN 10084, DIN 17200, EN 10083-3
Chemical Composition (mass weight % )
Carbon, C (％): 0.18 ~ 0.25
Silicon, Si (％): 0.15 ~ 0.40
Manganese, Mn (％): 0.30 ~ 0.50
Phosphorus, P (％)≤: 0.020
Sulfur, S (％)≤: 0.010
Chromium, Cr (%): 1.20 ~ 1.50
Nickel, Ni (%): 3.40 ~ 4.00
Molybdenum, Mo (%): 0.25 ~ 0.50
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Tensile strength σb≥/MPa: 985
Yield strength σs≥/MPa: 815
Elongation δ5 ≥(%): 20.0
Reduction of area ψ(％) ≥: -
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 rods.
Mechanical parts - connecting rod, bolt and nut, Multidiameter shafts
FROMS & DIMENSIONS AVAILBALE
Round bar / Wire rod (Diameter): 5.5mm to 450mm
Square bar / Flat bar: 3mm to 550mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T20 - 300mm X W30 - 1000mm X L1000-12000mm
Forging piece: stepped shafts, and other different shapes based on OEM.
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