S355J0

Data verified

S355J0 sits between S355JR and the −20 °C grade S355J2 in the EN 10025-2 family, with a 0 °C impact guarantee. It is widely used for outdoor and transport structures in temperate-to-cold service.

DIN1.0553 (S355J0)
AISIA572 Gr.50 (near)
JISSM520B (near)
CategoryStructural & HSLA Steel

Chemical composition

ElementContent (%)
C≤0.20
Si≤0.55
Mn≤1.60
P≤0.030
S≤0.030
Cu≤0.55

Weight percent, per the governing standard ranges. Actual values per heat are on the mill certificate.

Properties

Yield strength≥355 MPa (≤16 mm)
Tensile strength470–630 MPa
ImpactJ0: 27 J at 0 °C
Density7.85 g/cm³

Heat treatment

Supplied hot rolled or normalized; no hardening treatment.

Equivalent grades

StandardDesignation
din1.0553 (S355J0)
aisiA572 Gr.50 (near)
jisSM520B (near)
gbQ355B (near)

Compare side by side: S355J0 vs S355J2 · S355J0 vs Q355B · S355J0 vs A572 Gr.50

Equivalents overlap in chemistry and use but are not always identical — see our equivalents guide before substituting in certified designs.

Applications & Processing

Applications: Bridges, vehicle frames, crane structures, offshore secondary steel.

Processing: Good weldability with standard low-hydrogen practice; preheat only for thick or highly restrained joints.

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Source: EN 10025-2 published ranges · Last updated 2026-11-03. Data is indicative — verify critical values against the governing standard and mill certificate before use.