Grade Y108Cr17
China ISC S44097
Old Grade
Corresponding Standard GB /T 1220-2007
Stainless Steel Bars
Classification Martensitic Stainless Steel
Y108Cr17 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo
Minimum Value 0.95 - - - 0.15 16 - -
Maximum Value 1.2 1 1.25 0.06 - 18 0.6 0.75
Y108Cr17 Mechanical Properties
diameter
d
mm
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Reduction of Area
ψ
%
Hardness
HBW
Impact Energy Absorption
KV2
J
Steel bars; d≤75 Annealing ≤269
Sample; d≤75 Quenching + Tempering - - - - HRC
≥58
-
• This does not apply to flat bars, but if required by the buyer, it shall be determined through negotiation between the supplier and the buyer.
1 Approximate Comparison Table Martensitic Stainless Steel
China Taiwan, China Japan South Korea United States
GB ISC CNS JIS KS ASTM UNS
Y108Cr17
(Y11Cr17)
S44097 440F SUS 440F STS 440F 440F S44020
2 Approximate Comparison Table Martensitic Stainless Steel
China Japan International Organization for Standardization European Standard
GB ISC JIS ISO Numerical Grade Numerical Grade
Y108Cr17
(Y11Cr17)
S44097 SUS440F X110CrS17 4025-440-74-X (1.4025)

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