The term yield strength refers to a material’s ability to endure significant bending or twisting and return to its original shape without deforming. Spring steel alloys feature the unique characteristic of being able to withstand considerable twisting or bending forces without any distortion. Products made from these steel alloys can be bent, compressed, extended, or twisted continuously, and they will return to their original shape without suffering any deformation.
Material No.
DIN NORM
SAE AISI
CHEMICAL COMPOSITION ( % )
C
Si
Mn
P max.
S max.
Cr
V
1,5022
38Si6
–
0,35 – 0,42
1,40 – 1,60
0,50 – 0,80
0,050
0,050
–
–
1,5023
38Si7
–
0,35 – 0,42
1,50 – 1,80
0,50 – 0,80
0,025
0,025
–
–
1,5024
46Si7
–
0,42 – 0,50
1,50 – 2,00
0,50 – 0,80
0,025
0,025
–
–
1,5026
56Si7
9255
0,52 – 0,60
1,60 – 2,00
0,60 – 0,90
0,025
0,025
–
–
1,7103
67SiCr5
9254
0,62 – 0,72
1,20 – 1,40
0,40 – 0,60
0,035
0,035
0,40 – 0,60
–
1,7108
60SiCr7
9260/9262
0,57 – 065
1,60 – 2,00
0,70 – 1,00
0,025
0,025
0,20 – 0,45
–
1,5142
60SiMn5
–
0,55 – 0,65
1,00 – 1,30
0,90 – 1,10
0,050
0,050
–
–
1,7176
55Cr3
5155
0,52 – 0,59
max. 0,40
0,70 – 1,00
0,025
0,025
0,70 – 1,00
–
1,8159
51CrV4
6150
0,47 – 0,55
max. 0,40
0,70 – 1,10
0,035
0,035
0,90 – 1,20
0,10 – 0,25
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