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You are here: Home- steel plate$sheetNBNA21201 A 690

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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