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NBNA21201 A 490
NBNA21201 A 490-1,2 steel plate/sheet, NBNA21201 A 490-1,2 steel plate/sheet, under NBNA21201 standard, we can regard A 490-1,2 steel plate/sheet for general Construction steels. NBNA21201 A 490-1,2 steel plate/sheet is for general Construction steels. The followings are the chemical composition and the mechanical properties of NBNA21201 A 490-1,2 steel.
Equivalent grade :
A 490-1,2 steel plate/sheet is in NBNA21201 standard. The comparison of steel grades is: NBNA21201:1990 A 490-1,2,DIN17100 ST50-2, NFA 35-501 A50-2,BS1449,UNI7070 FE 490.
A 490-1,2 DIN NBNA21201-2 Number: 1.0050 |
Comparison of steel grades |
|
NBNA21201 :1990 |
A 490-1,2 |
|
DIN17100 |
ST50-2 |
|
NFA 35-501 |
A50-2 |
|
BS1449 |
- |
|
UNI7070 |
FE 490 |
A 490-1,2 steel Chemical analysis -% by mass*
Main chemical composition in NBNA21201 A 490-1,2 steel : Phosphorus max 0.045, Silicon max 0.045,please refer to the flowing table:
Chemical elements |
C≤ 16mm |
C>16mm |
Si |
Mn |
P |
S |
N |
%,by mass |
- |
- |
- |
- |
0.045 |
0.045 |
0.012 |
A 490-1,2 steel Mechanical properties
NBNA21201 A 490-1,2 is general Construction steels, The different thickness with different yield strength, tensile strength and fracture elongation. More detailed information about NBNA21201 A 490-1,2 steel Mechanical Properties , please refer to the following table:
thickness |
Yield Strength ReH [N/mm2] |
Tensile Strength Rm [N/mm2] transv. |
Fracture Elongation[%]transv. min. |
Notch Impact |
t≤ 16mm |
295 |
- |
||
t < 3mm |
490-600 |
|||
Up to 1.5mm |
11 |
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