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S355JR

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  • S355JR
20MnCr5
February 24, 2017
S235JRH
February 24, 2017

S355JR

Grade :     S355JR
    Number:     1.0045
    Classification:     Non-alloy quality structural steel
    Standard:
    EN 10025-2: 2004 Hot rolled products of structural steels. Technical delivery conditions for non-alloy structural steels

Chemical composition %   of grade   S355JR (1.0045):   EN 10025-2-2004

Nominal thickness =< 30(mm) CEV max = 0.45

C Si Mn P S N Cu CEV
max   0.24 max   0.55 max   1.6 max   0.04 max   0.04 max   0.012 max   0.55 max   0.47

Mechanical properties of grade   S355JR (1.0045)

Nominal thickness (mm): to 3 3 – 100 100 – 150 150 – 250
Rm – Tensile strength (MPa) Flat and long products 510-680 470-630 450-600 450-600
Nominal thickness (mm): to 16 16 – 40 40 – 63 63 – 80 80 – 100 100 – 150 150 – 200 200 – 250
ReH – Minimum yield strength (MPa) Flat and long products 355 345 335 325 315 295 285 275
KV – Impact energy (J) longitud., -20°
27
0°
27
+20°
27
Nominal thickness (mm): to 1 1 – 1.5 1.5 – 2 2 – 2.5 2.5 – 3
A – Min. elongation Lo = 80 mm (%) parallel, 14 15 16 17 18
Nominal thickness (mm): 3 – 40 40 – 63 63 – 100 100 – 150 150 – 250
A – Min. elongation Lo = 5,65 √ So (%) parallel, 22 21 20 18 17

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