S320GD | 1.0250

Grade S320GD is a structural steel with a yield strength of at least 320 MPa.

Structural steel

Properties according to DIN EN 10 346

Steel type

Short designation	Surface finish	Material number
S320GD	+Z,+ZF,+ZA,+ZM,+AZ,+AS	1.0250

Mechanical properties (longitudinal)

Proof stress Rp0,2¹⁾MPa min.	Tensile strength Rm²⁾ MPa min.	Elongation at fracture A80³⁾ % min.
320	390	17

Chemical composition (heat analysis)

Percentage by weight % max.
C	Si	Mn	P	S
0.20	0.60	1.70	0.10	0.045

1) Where yield strength is defined, the values apply to the upper yield strength ReH.

2) For all steel types, with the exception of S550GD, a span of 140 MPa can be expected for the tensile strength.

3) Depending on the product thickness, the minimum values of elongation at fracture are reduced as follows: 0.50 mm < t < 0.70 mm (minus 2 units), 0.35 mm < t < 0.50 mm (minus 4 units), and t < 0.35 mm (minus 7 units).

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