NBNA21201 A 690

NBNA21201 A 690-1,2 steel plate/sheet,NBNA21201 A 690-1,2 steel plate/sheet, under NBNA21201 standard, we can regard A 690-1,2 steel plate/sheet for general Construction steels.NBNA21201 A 690-1,2 steel plate/sheet is for general Construction steels. The followings are the chemical composition and the mechanical properties of EN A 690-1,2 steel. A 690-1,2 steel is according to NBNA21201 standard and it is equivalent to EN:Fe690-2,DIN17100:St70-2,NFA: A70-2 and NBNA21201:E360 steel grades.
Equivalent grade :
NBNA21201 A 690-1,2 steel plate/sheet is in NBNA21201 standard. The comparison of steel grades is: NBNA21201 :1990 A 690-1,，DIN17100 ST60-2, NFA 35-501 A60-2,BS1449,UNI7070 FE 590

A 690-1,2 NBNA21201	Comparison of steel grades
	NBNA21201:1990	A 690-1,2
	DIN17100	ST70-2
	NFA 35-501	A70-2
	BS1449	-
	UNI7070	FE 690

A 690-1,2 steel Chemical analysis -% by mass*
Main chemical composition in NBNA21201 A 690-1,2 steel : Phosphorus max 0.045, Silicon max 0.045,please refer to the flowing table:

Chemical elements	C≤ 16mm max	C>16mm max	Si max	Mn max	P max.	S max.	N max
A 690-1,2	-	-	-	-	0.045	0.045	0.012

A 690-1,2 steel Mechanical properties
NBNA21201 A 690-1,2 is general Construction steels, The different thickness with different yield strength, tensile strength and fracture elongation. More detailed information about NBNA21201 A 690-1,2 steel Mechanical Properties , please refer to the following table:

thickness	Yield Strength ReH [N/mm2] transv.min.	Tensile Strength Rm [N/mm2] transv.	Fracture Elongation[%]transv. min.	Notch Impact Energy1)Ch Vcomplete samplelongitud. min [J]
t≤ 16mm t >16mm	360 355			- -
t < 3mm t ≥ 3mm		690-900 670-830
Up to 1.5mm 1.51-2.00mm 2.01-2.50mm 2.51-2.99mm ≥ 3mm			4 5 6 7 10

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