Grade ER309
Corresponding Standard Others Q/TTPT003-2018
Stainless Steel Wire Rods for Welding
Classification Austenitic Stainless Steel
ER309 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo N
Minimum Value - - 1.8 - - 23 12.5 - - -
Maximum Value 0.06 0.25 2.25 0.025 0.015 25 13.5 0.5 0.75 0.06
ER309 Mechanical Properties
product Heat Treatment or Condition
Tensile Strength
σb
Mpa
Elongation or Extension Rate
δ
%
Reduction of Area
ψ
%
Wire rod Offline Solution Annealing + Pickling ≤640 ≥45 ≥70
Wire rod Hot rolling + Picking ≤710 ≥40 ≥70

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