Grade S355K2
European Standard Steel Grade 1.0596
Corresponding Standard EN 10025-2-2004
Hot rolled products of structural steels - Part 2:Technical delivery conditions for non-alloy structural steels
Classification Carbon Steel
S355K2 Chemical Element Composition Content (%)
  Component C Si Mn P S ④⑤ Cu More
厚度t≤16 Minimum Value - - - - - -
Maximum Value 0.2 0.55 1.6 0.025 0.025 0.55
  Component C Si Mn P S ④⑤ Cu More
厚度16<t≤40 Minimum Value - - - - - -
Maximum Value 0.2 0.55 1.6 0.025 0.025 0.55
  Component C Si Mn P S ④⑤ Cu More
厚度t>40 Minimum Value - - - - - -
Maximum Value 0.22 0.55 1.6 0.025 0.025 0.55
S355K2 Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
t<3 510~680 ≥355 See Remarks
3<t≤16 470~630 ≥355 ≥20
16<t≤40 470~630 ≥345 ≥20
40<t≤63 470~630 ≥335 ≥19
63<t≤80 470~630 ≥325 ≥18
80<t≤100 470~630 ≥315 ≥18
100<t≤150 450~600 ≥295 ≥18
150<t≤200 450~600 ≥285 ≥17
200<t≤250 450~600 ≥275 ≥17
250<t≤400 450~600 ≥265 For use only in J2 and K2
≥17
Approximate Comparison Table
Japan European Standard United Kingdom
JIS EN Numerical Grade BS EN/BS
SM520B S355K2
Fe510DD2①
S355K2G4①
1.0596 50EE
S355K2 Corresponding Standards(Same grade name, different standards)

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