1.Application Potential:
EN10028-6 specifies the requirements for flat products for pressure equipments made of quenched and tempered steels.This standard covers steel P355Q,P355QH,P355QL1,P355QL2,P460Q,P460QH,P460QL1,P460QL2, P500Q,P500QH,P500QL1,P500QL2,P690Q,P690QH,P690QL1 and P690QL2.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
|
Mo
|
N
|
P690QL1
|
EN 10028-6
|
0.20
|
1.70
|
0.008
|
0.020
|
0.80
|
0.70
|
0.015
|
P690QL2
|
EN 10028-6
|
0.20
|
1.70
|
0.005
|
0.020
|
0.80
|
0.70
|
0.015
|
Mechnical Property
Grade
|
Yield
strength
ReH
MPa
min.
|
Tensile strength
Rm
for product thickness t in mm
|
Elongation
after
fracture
A
%
min.
|
Impact energy KV
J
Min.
at a temperature in °C of
| |||||||
t ≤ 50
|
50 < t ≤ 100
|
100 < t ≤ 150
|
t ≤ 50
|
100 < t ≤ 150
|
-60
|
-40
|
-20
|
0
|
+20
| ||
P690QL1
|
690
|
670
|
630
|
770 to 940
|
720 to 900
|
14
|
–
|
27
|
40
|
60
|
–
|
P690QL2
|
690
|
670
|
630
|
770 to 940
|
720 to 900
|
14
|
27
|
40
|
60
|
80
|
–
|
3. Other grades are relatede to P690QL1 and P690QL2 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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Msn: hzzsteel5@hotmail.com
Skype: hzzsteel5
T:86-371-65862331
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