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Grade S355N
European Standard Steel Grade 1.0545
Corresponding Standard EN 10025-3-2004
Hot rolled products of structural steels - Part 3: Technical delivery conditions for normalized/normalized rolled weldable fine grain structural steels
Classification Alloy Steel
Properties Weldability
S355N Chemical Element Composition Content (%)
Component C Si Mn P ① S ①② Cr Ni Cu ④ Mo N Ti V Nb Al ③
Minimum Value - - 0.9 - - - - - - - - - - 0.02
Maximum Value 0.2 0.5 1.65 0.03 0.025 0.3 0.5 0.55 0.1 0.015 0.05 0.12 0.05 -
S355N Mechanical Properties
nominal thickness
t
mm		 Tensile Strength
σb
Mpa
t≤16 470~630
16<t≤40 470~630
40<t≤63 470~630
63<t≤80 470~630
80<t≤100 470~630
Approximate Comparison Table Carbon Structural Steel and Engineering Steel
China United States Germany France European Standard Russia Sweden United Kingdom
GB ASTM DIN EN/DIN NF EN/NF EN Numerical Grade GOST SS BS EN/BS
Q345D A572Gr.50 StE355 E355R S355N
FeE355KGN① 		1.0545 15GF 2134-01 50DD
50E
S355N Corresponding Standards(Same grade name, different standards)
1 EN 10025-3-2004
S355N 1.0545
2 EN 10025-3-2019
S355N 1.0545

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