Grade 17a
Corresponding Standard ISO 683-13-1986
Heat-treatable steels,alloy steels and free-cutting steels--Part 13: Wrought stainless steels
Classification Austenitic Stainless Steel
Properties Corrosion Resistance Forgability
17a Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo * Se
Minimum Value - - - - - 17 8 - 0.15
Maximum Value 0.12 1 2 0.2 0.06 19 10 0.7 -
Approximate Comparison Table
China Japan United States International Organization for Standardization Russia United Kingdom
GB JIS ASTM/AISI ISO GOST BS EN/BS
Y1Cr18Ni9Se SUS303Se 303Se 17a
(ISO 683-13-1986)
12X18H10E 303S41

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