DIN 1614 StW24 Structural Steel Plate

What is DIN 1614 StW24 Plate?

DIN 1614 StW24 is a German standard for hot-rolled steel plate, sheet, and strip used for cold forming. It is a low carbon steel with a maximum carbon content of 0.10%, which makes it suitable for applications requiring good formability.

The designation “StW24” indicates the specific grade of the steel. The “St” prefix stands for “steel” in German, and the “W” indicates that it is suitable for cold forming. ‘StW24’ indicates its minimum specified yield strength of 240 N/mm2.

Material Composition

C(%)Si(%)Mn(%)P(%)S(%)Al(%)N(%)
≦0.080.03-0.10≦0.40≦0.025≦0.025≦0.02≦0.007
Material Composition Table

Manufacturing Process

DIN 1614 StW24 steel plate is produced through hot rolling, which involves heating the steel billet or slab above its recrystallization temperature and then passing it through a series of rollers to achieve the desired thickness. Rigorous process controls impart excellent mechanical properties.

Mechanical Properties

thicknessYield Strength ReH [N/mm2] transv.min.Tensile Strength Rm [N/mm2] transv.Fracture Elongation[%]transv. min.Bending Test transv.bending mandrel Ø angle = 180° s = plate  thickness
t≤ 16mm t>16mm170-3100 S
   t < 3mm t ≥ 3mm400
Up to 1.5mm
1.51-2.00mm
2.01-2.50mm
2.51-2.99mm
≥ 3mm
28 A80 29 A80 33 A5
Mechanical Properties Table

Applications

StW24 is typically used in the construction of automotive parts, household appliances, and other components that undergo cold forming processes such as bending, drawing, and stamping. It offers good weldability and can be readily formed into various shapes without compromising its mechanical properties.

Addtionally, Bridges, buildings, storage tanks. The increased yield strength permits reduced dimensions compared to S275JR/J0 grade for efficient designs.

StW24 Steel Equivalent

EUUSAGermanyJapanFranceEnglandItalySpainCzechiaRussiaInter
ENDIN,WNrJISAFNORBSUNIUNECSNGOSTISO
DD13 (1.0335)A622DQStW24SPHE3CHR1FeP13AP131130508kpHR4
DSSPHE-AK
European equivalent grade for Steel StW24 (DIN, WNr ): DD13 (1.0335), Data from steelnumber.com

Compliance

DIN 1614 specifies rules for steel grades to be used in structural steel construction. StW24 steel conforms to all composition and properties clauses.

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