Steels for construction S220GD, S250GD,…

Chemical composition

Grade	Symbols for the types of available coatings	Chemical composition % by mass
		max
		C	Si	Mn	P	S
S220GD	+z,+ZF,+ZA,+ZM,+AZ	0,20	0,60	1,70	0,10	0.045
S250GD	+Z,+ZF,+ZA,+ZM,+AZ,+AS	0,20	0,60	1,70	0,10	0.045
S280GD	+Z,+ZF,+ZA,+ZM,+AZ,+AS	0,20	0,60	1,70	0,10	0.045
S320GD	+Z,+ZF,+ZA,+ZM,+AZ,+AS	0,20	0,60	1,70	0,10	0.045
S350GD	+Z,+ZF,+ZA,+ZM,+AZ,+AS	0,20	0,60	1,70	0,10	0.045
S390GD	+Z,+ZF,+ZA,+ZM,+AZ	0,20	0,60	1,70	0,10	0.045
S420GD	+Z,+ZF,+ZA,+ZM,+AZ	0,20	0,60	1,70	0,10	0.045
S450GD	+Z,+ZF,+ZA,+ZM,+AZ	0,20	0,60	1,70	0,10	0.045
S550GD	+Z,+ZF,+ZA,+ZM,+AZ	0,20	0,60	1,70	0,10	0.045

Mechanical properties

Grade	Symbols for the types of available coatings	Proof strength	Tensile strength	Elongation
		MPa	MPa	%
		min.	min.	min.
S220GD	+Z,+ZF,+ZA,+ZM,+AZ	220	300	20
S250GD	+Z,+ZF,+ZA,+ZM,+AZ,+AS	250	330	19
S280GD	+Z,+ZF,+ZA,+ZM,+AZ,+AS	280	360	18
S320GD	+Z,+ZF,+ZA,+ZM,+AZ,+AS	320	390	17
S350GD	+Z,+ZF,+ZA,+ZM,+AZ,+AS	350	420	16
S390GD	+Z,+ZF,+ZA,+ZM,+AZ	390	460	16
S420GD	+Z,+ZF,+ZA,+ZM,+AZ	420	480	15
S450GD	+Z,+ZF,+ZA,+ZM,+AZ	450	510	14
S550GD	+Z,+ZF,+ZA,+ZM,+AZ	550	560	–

Grades of steel supplied

EN 10346-S220GD-Z	EN 10346-S350GD-ZA
EN 10346-S220GD-ZF	EN 10346-S350GD-ZM
EN 10346-S220GD-ZA	EN 10346-S350GD-AZ
EN 10346-S220GD-ZM	EN 10346-S350GD-AS
EN 10346-S220GD-AZ	EN 10346-S390GD-Z
EN 10346-S250GD-Z	EN 10346-S390GD-ZF
EN 10346-S250GD-ZF	EN 10346-S390GD-ZA
EN 10346-S250GD-ZA	EN 10346-S390GD-ZM
EN 10346-S250GD-ZM	EN 10346-S390GD-AZ
EN 10346-S250GD-AZ	EN 10346-S420GD-Z
EN 10346-S250GD-AS	EN 10346-S420GD-ZF
EN 10346-S280GD-Z	EN 10346-S420GD-ZA
EN 10346-S280GD-ZF	EN 10346-S420GD-ZM
EN 10346-S280GD-ZA	EN 10346-S420GD-AZ
EN 10346-S280GD-ZM	EN 10346-S450GD-Z
EN 10346-S280GD-AZ	EN 10346-S450GD-ZF
EN 10346-S280GD-AS	EN 10346-S450GD-ZA
EN 10346-S320GD-Z	EN 10346-S450GD-ZM
EN 10346-S320GD-ZF	EN 10346-S450GD-AZ
EN 10346-S320GD-ZA	EN 10346-S550GD-Z
EN 10346-S320GD-ZM	EN 10346-S550GD-ZF
EN 10346-S320GD-AZ	EN 10346-S550GD-ZA
EN 10346-S320GD-AS	EN 10346-S550GD-ZM
EN 10346-S350GD-Z	EN 10346-S550GD-AZ
EN 10346-S350GD-ZF

In order to ensure the quality of your project, we recommend our European standard steel products:

Reliable quality: After strict certification, it meets European standards to ensure stable quality performance.
Universal: International common standards to meet the needs of international engineering.
Various specifications: rich specifications and models to meet different engineering needs.
High-quality service: rich experience and professional team, providing all-round technical consultation and high-quality service.
Select steel materials that meet European standards to ensure project quality and enhance project sustainability and international competitiveness. Please contact us to provide you with high-quality European standard steel and help you move towards the international stage!

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