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P275NL1 steel

EN10028 P275NL1 steel plate/sheet,EN10028 P275NL1 steel plate/sheet, under EN standard, we can regard P275NL1 steel plate/sheet for boilers and Pressure Vessels steels.EN10028 P275NL1 steel plate/sheet is for boilers and Pressure Vessels steels,it is a normalized steel plate and sheet which is mainly used for building pressure vessels and boilers and pipes for hot liquid.And the followings are the chemical composition and mechanical properties of P275NL1.

The chemical composition of EN P275NL1 steel

Element  Max % Element  max %
C 0.16 Cu 0.30
Si 0.40 Mo 0.08
Mn 0.50-1.50 N 0.02
P 0.03 Nb 0.05
S 0.02 Ni 0.50
AL 0.020 Ti 0.03
Cr 0.30 V 0.05
Nb+Ti+V 0.05    

The mechanical properties of EN P275NL1 steel

Grade Material Thickness Yield Strength Tensile Strength Elongation
(mm) MPa (min) MPa % (min)
P275NL1 1.0488 ≤ 16 275    
16> to ≤35  275    
35> to ≤50 265    
50> to ≤70 255 370-490 23
70> to ≤100 235 350-470 1)
100> to ≤150 225 1) 1)
>150 390-510 24  

The impact test of EN P275NL1 steel

  Type Usual
Dekivery
Condition
Norminal
Thickness
(mm)
Impact Energy KV min[J] at temperature [°C]
Longitudinal Longitudinal
-50 -40 -20 0 +20 -50 -40 -20 0 +20
P275NL1 N 5-150 27 34 47 55 63 16 20 27 34 40