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Steel

Structural plate, sections and bars to EN, ASTM, JIS, GB, CSA, AS/NZS, IS and GOST.

Standard fromAnywhereEurope CENGermany DINChina SAC (GB)United States ASTMCanada CSAAustralia & New Zealand Standards AustraliaIndia BISJapan JISRussia & EAEU GOSTUnited Kingdom BSIInternational ISO

Higher-strength structural steel — the 355 MPa class

How the S355 equivalents compare

S355 and every grade the world lists against it, compared on what each standard guarantees. Some “equivalents” fall short; their yield shows it.

GradeStandardYield strength at 10 mmTensile strengthClosest toEvidence
С355

Russian strength class for building steel: 355 MPa yield from 8 to 16 mm, 470 MPa minimum tensile.

Russia & EAEUGOST 27772-2015≥ 355 MPa1≥ 470 MPa1S355Close match
From the standard
9
09G2S (09Г2С)

Low-alloy chemistry grade often wrongly equated with S355; strength depends on the class ordered.

Russia & EAEUGOST 19281-2014≥ 265 MPa1≥ 430 MPa1S355Not equivalent
Single source
2

Planned groups

  • Very high-strength plate (S690Q, A514)
  • Rebar: HRB400/500 (GB 1499.2), 500N (AS/NZS 4671), SD390 (JIS)
  • Stainless and weathering steel

Standards for steel

All standards for steel