Grade 13MnNi 6-3
European Standard Steel Grade 1.6217
Corresponding Standard EN 10028-4-2017
Flat Products Made of Steels for Pressure Purposes - Part Four: Nickel Alloy Steels with Specified Low Temperature Properties
Classification Alloy Steel
13MnNi 6-3 Chemical Element Composition Content (%)
Component C Si Mn P S Ni V Nb Al More
Minimum Value - - 0.85 - - 0.3 - - 0.02 Cr+Cu+Mo≤0.50
Maximum Value 0.16 0.5 1.7 0.025 0.01 0.85 0.05 0.05 -
① For nominal thicknesses ≤ 40 Mm, a minimum nickel content of 0,15 % Is permitted.
13MnNi 6-3 Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
t≤30 Normalizing (+N), Normalizing and Tempering (+NT) 490~610 ReH
≥355
≥22
30<t≤50 Normalizing (+N), Normalizing and Tempering (+NT) 490~610 ReH
≥345
≥22
50<t≤80 Normalizing (+N), Normalizing and Tempering (+NT) 490~610 ReH
≥335
≥22
Approximate Comparison Table Pressure-Bearing Flat Steel
China European Standard
GB EN
13MnNiDR
GB/T 713.3-2023
13MnNi6-3
EN 10028-4-2017

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