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Material
DIN 17222-1979
Cold Rolled Steel Strips for Springs Technical Condition of Delivery
Material Designation
Chemical Composition (%)
Ck67
(
1.1231
)
Min
Max
Ck60
(
1.1221
)
Min
Max
C67
(
1.0603
)
Min
Max
Ck75
(
1.1248
)
Min
Max
Ck85
(
1.1269
)
Min
Max
C75
(
1.0650
)
Min
Max
50CrV4
(
1.8159
)
Min
Max
C55
(
1.0535
)
Min
Max
55Si 7
(
1.0904
)
Min
Max
Ck55
(
1.1203
)
Min
Max
C60
(
1.0601
)
Min
Max
Ck101
(
1.1274
)
Min
Max
71Si 7
(
1.5029
)
Min
Max
67SiCr5
(
1.7103
)
Min
Max
For Reference Only
