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
|
C |
Si |
Mn |
Ni |
P |
S |
Cr |
|
0.12 - 0.22 |
max 1 |
max 1.5 |
1.5 - 2.5 |
max 0.04 |
max 0.03 |
15 - 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 |
