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