Properties

Mechanical properties

4 ≤ thickness ≤ 8mm
Valast 450  Valast 450 
(Typical value) (Guaranteed)
Hardness HBW 450 420 - 480
Yield strength1 Rp0.2 (N/mm2) 1250  
Tensile strength1 Rm (N/mm2) 1475  
Elongation 1 L0 = 5.65 √S0 (%) 9  
Bending radius     4.5t
1. Mechanical properties are tested in longitudinal direction, based on thicknesses between 4mm and 8mm.
    For other thicknesses please contact us.
2. Minimal radius at bending over 90° - bend line parallel to the rolling direction.


Impact strength

Direction
Temperature Guaranteed
Longitudinal -40°C ≥ 34 J/cm2

A value of 34 J/cm2corresponds to 27J for a full size 10x10mm test piece


Chemical composition

Valast meets the requirements of the cast analysis in the standard as shown in the table below:

Grade
Valast 450
C ≤ 0.230
Mn ≤ 1.000
Si ≤ 0.100
P ≤ 0.020
S ≤ 0.005
 Alsol ≥ 0.015
Nb ≤ 0.060
V ≤ 0.100
Ti ≤ 0.060
Mo ≤ 0.250
B ≤ 0.005
All values are in weight%.