DIN (superseded German) steel grades

St37, St52, Ck45, X5CrNi18-10 — replaced by EN, still specified. Issued by DIN. 2 grades and 1 standards are documented so far; each grade links to a full data sheet and a graded cross-reference to the other systems.

Structural steel

Structural steel — DIN (superseded German)
Grade	No.	Type	C %	Yield MPa	Tensile MPa	Standard
St37-2	1.0037	General structural steel (DIN 17100, withdrawn) — today S235JR	≤ 0.17	235	340–470	DIN 17100
St52-3	1.0570	General structural steel (DIN 17100, withdrawn) — today S355J2 / S355JR	≤ 0.2	355	490–630	DIN 17100

DIN (superseded German) standards

DIN 17100 — General structural steels; quality specifications (withdrawn)

Cross-references to other systems

Every DIN (superseded German) grade page carries a table of equivalents rated identical / near / functional with the reason. Browse other systems: EN (European) · ASTM / ASME · AISI / SAE · JIS (Japan) · GB/T (China) · BS (superseded British) · GOST (Russia/CIS) · IS (India).