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■ Overview
High temperature boilers and pressure vessels used steel materials Q890E steel plate,Q890E steel sheet,Q890E metal plate shall be done heat treatment with Quenching and tempering.Q890E steel plate,Q890E steel sheet,Q890E metal plate can bear low temperature impacting test at -40 Degree centigrade.
■ Full Data
Technical Requirements & Additional Services for Q890E steel plate:
♦ Quenching and tempering heat treatment
♦ Low temperature impacting test at -40 ℃
♦ Cutting and welding as per end user’s demands
♦ More striction on some chemical elements contains
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Ultrasonic test under GB/T2970,JB4730,EN 10160,ASTM A435,A577,A578
♦ Quenching and tempering heat treatment
♦ Low temperature impacting test at -40 ℃
♦ Cutting and welding as per end user’s demands
♦ More striction on some chemical elements contains
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Ultrasonic test under GB/T2970,JB4730,EN 10160,ASTM A435,A577,A578
■ Techicals
►Mechnical property for GB/T 16270 Q890E steel plate:
|
Thickness(mm) |
Yield strength (≥Mpa) |
Tensile strength (Mpa) |
Elongation in ≥, A % |
|
T≤50 |
890 |
940-1100 |
11 |
|
50<T≤100 |
830 |
940-1100 |
|
|
100<T |
830 |
880-1100 |
►Chemical composition for GB/T 16270 Q890E steel plate (Heat Analysis Max%)
|
Main chemical elements composition of GB/T 16270 Q890E steel plate |
||||||
|
C |
Si |
Mn |
P |
S |
Cu |
Cr |
|
0.20 |
0.80 |
2.0 |
0.020 |
0.010 |
0.50 |
1.50 |
|
Ni |
Mo |
B |
V |
Nb |
Ti |
- |
|
2.00 |
0.70 |
0.005 |
0.12 |
0.06 |
0.05 |
- |
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