Steel Standart

Structural steel grades

13 structural steel grades from 3 designation systems, each with a full data sheet. Sorted by system; the yield and tensile values are the first line of each grade's mechanical table.

ASTM / ASME

Structural steel — ASTM / ASME
GradeNo.TypeC %Yield MPaTensile MPaEquivalents
A36K02600Carbon structural steel≤ 0.25250400–550S235JR, SS400, Q235B
A572 Grade 50K02303High-strength low-alloy (HSLA) columbium-vanadium structural steel≤ 0.23290≥ 415S355JR / S355J2, S355M / S355N, A992

EN (European)

Structural steel — EN (European)
GradeNo.TypeC %Yield MPaTensile MPaEquivalents
S235JR1.0038Non-alloy hot-rolled structural steel≤ 0.17235360–510A36, A283 Gr. C, SS400
S235JRH1.0039Non-alloy structural steel for cold-formed (EN 10219) and hot-finished (EN 10210) hollow sections≤ 0.17235360–510A500 Grade B, STKR400 / STK400, Q235B (GB/T 6728)
S275JR1.0044Non-alloy hot-rolled structural steel≤ 0.21275410–560A36, A572 Gr. 42, SS400
S355J21.0577Non-alloy hot-rolled structural steel, −20 °C impact≤ 0.22355470–630A572 Gr. 50, A709 Gr. 50, SM490B
S355J2H1.0576Non-alloy structural steel for hollow sections, 355 MPa, −20 °C impact≤ 0.22355470–630A500 Grade C, A1085, STKR490 / STK490
S355J2W1.8965Weathering (atmospheric-corrosion-resistant) structural steel, −20 °C impact≤ 0.16355470–630A588 Grade A / B, A242 Type 1, A606 Type 4
S355JR1.0045Non-alloy hot-rolled structural steel≤ 0.24355470–630A572 Gr. 50, A992, SM490A
S355MC1.0976Thermomechanically rolled HSLA steel for cold forming≤ 0.12355430–550A1011 HSLAS-F Grade 50, A572 Grade 50, SAPH440
S700MC1.8974Thermomechanically rolled ultra-high-strength steel for cold forming≤ 0.12700750–950A1011 HSLAS Grade 80, SAE J1392 100XF, S690QL

DIN (superseded German)

Structural steel — DIN (superseded German)
GradeNo.TypeC %Yield MPaTensile MPaEquivalents
St37-21.0037General structural steel (DIN 17100, withdrawn) — today S235JR≤ 0.17235340–470S235JR, A36, SS400
St52-31.0570General structural steel (DIN 17100, withdrawn) — today S355J2 / S355JR≤ 0.2355490–630S355J2, S355JR, A572 Gr. 50

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