1.Application Potential:
EN10028-3 specifies requirements for flat products for pressure equipment made of weldable fine grain steels.This standard covers steel P275N,P275NH,P275NL1,P275NL2,P355N,P355NH,P355NL1,P355NL2,P460N,P460NH,P460NL1 and P460NL2 .These plates are widely used in the fabrication of boilers and pressure vessels in industries such as shipbuilding, petrochemical and manufacturing.
2.Chemical Composition and Mechnical Property:
Chemical composition
Grade
|
Standard
|
C
|
Mn
|
S
|
P
|
Si
|
Cr
|
N
|
P275NL1
|
EN 10028-3
|
0.16
|
0.80-1.50
|
0.008
|
0.025
|
0.40
|
0.30
|
0.012
|
P275NL2
|
EN 10028-3
|
0.16
|
0.80-1.50
|
0.005
|
0.020
|
0.40
|
0.30
|
0.012
|
Mechnical Property
Grade
|
Yield
strength
ReH
MPa
min.
|
Tensile
strength
Rm
MPa
|
Elongation
after
fracture
A
%
min.
|
Impact energy KV
J
Min.
at a temperature in °C of
| |||||||||
transverse
|
longitudinal
| ||||||||||||
–50
|
-40
|
-20
|
0
|
+20
|
–50
|
-40
|
-20
|
0
|
+20
| ||||
P275NL1
|
275
|
390 to 510
|
24
|
–
|
27
|
35
|
50
|
60
|
30
|
40
|
50
|
70
|
80
|
P275NL2
|
275
|
390 to 510
|
24
|
27
|
30
|
40
|
60
|
70
|
42
|
45
|
55
|
75
|
85
|
3. Other grades are relatede to P275NL1 and P275NL2 in chemical composition and mechnical properties.For more details in technical and supply information,please do not hesitate to contact us,and we will do our best to satisfy you.
Contact :
Email: nina@hzzsteel.com.cn
Sales: Nina Zhang
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