Grade SPS 8
Corresponding Standard KS D 3701-1985
Spring steels
Classification Spring Steel
SPS 8 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Cu
Minimum Value 0.51 1.2 0.6 - - 0.6 -
Maximum Value 0.59 1.6 0.9 0.035 0.035 0.9 0.3
Approximate Comparison Table Spring Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France Russia United Kingdom
GB ISC CNS JIS KS AISI UNS ISO DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
55SiCrA A21553 SUP12 SUP12 SPS8 9254 G92540 55SiCr6-3 54SiCr6 1.7102 54SiCr6
(55S7)
55С2 54SiCr6

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