S355JR

Standard : EN10025-2
Steel Grade : S355JR
Nearest Equivalent : BS4360 Gr50B; BS4360 Grade50D; BS4360 Gr50DD; DIN 17100 ST52-3; ASTM A572-50;JIS G3106 SM490; JIS 3101 SS490; ABS EH36; LRS EH36
S355 – an useful structural grade steel with a minimum yield strength of 355 N/mm².
S355 being widely used in the structural engineering and important source construction industries, S355 offers high yield and tensile strength and is supplied with a variety of treatments and test options to ensure that it is a highly usable steel in your various projects.
S355 structural grade (S) carries minimum yield strength of 355 N/mm²m, the JR designation confirms that the link for you steel has undergone longitudinal Chary V-Notch impact testing at 27J (Joules) at room temperature. Other Charpy designations include J0, J2 and K2.
S symbol for Structural Steel
JR symbol 20 temperature impact test
J0 syambol 0 temperature impact test
J2 symbol -20 temperature impact test
S355JR Application
Suitable for wide variety of structural application for instance: freight cars, transmission towers, dump trucks, cranes, trailers, bull dozers, excavators, forestry machines, railway wagons, dolphins, penstocks, pipes, highway bridges, building structures, offshore structures, shipbuilding, fans, pumps, lifting equipments and port equipments.
EN10025-2 S355JR Carbon and low alloy steel S355JR Chemical Composition Analysis (max) %:

Grade

C%

Si %

Mn %

P %

S %

N %

Cu %

S355JR

0.270

0.600

1.700

0.045

0.045

0.014

0.060


EN10025-2 S355JR Carbon and low alloy steel S355JR Mechanical Properties:

Grade

Thickness (mm)

Min Yield (Mpa)

Tensile (Mpa)

Elongation (%)

Min Impact Energy

S355JR

8mm-100mm

315Mpa-355Mpa

450-630Mpa

18-20%

20

27J

101mm-200mm

285-295Mpa

450-600Mpa

18%

20

27J

201mm-400mm

275Mpa

-

17%

20

27J

The min impact energy is longitudinal energy

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