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1.4057
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We are professional 1.4057 Forged forging Steel Round Bars Rods Square rectangular rectangle Flat Hex Bars,1.4057 Forged Forging Steel Hollow Bars Forged Forging Sleeves Bushes Bushing Pipes Piping tube tubings barrels Casing Cases Shells cylinders hubs housings,1.4057 Seamless Rolled Steel Rings,1.4057 Forged Forging Steel rings,1.4057 Forged Forging Steel Blocks Discs Disks Plates,1.4057 Forged Forging Steel Shafting,Piston rods,Spindles,Pump parts,Valve parts,and other 1.4057 forged forging parts Forged Products forged forging pieces forged forging steel components materials pieces products from china


Chemical composition %   of   steel    (1.4057):   EN 10088-3-2005
CSiMnNiPSCr
0.12 - 0.22max   1max   1.51.5 - 2.5max   0.04max   0.0315 - 17


Mechanical properties of   steel    (1.4057)


Rm - Tensile strength (MPa) (+QT800)800-950

Rm - Tensile strength (MPa) (+A)950



Rp0.2 0.2% proof strength (MPa) (+QT800)600



KV - Impact energy (J) longitud., (+QT)+20°
15-25



A - Min. elongation at fracture (%) longitud., (+QT800)10-14

A - Min. elongation at fracture (%) transverse, (+QT800)8


 Brinell hardness   (HB):   (+A)295