EN10028-3 P460NH pressure vessels steel with minimum yield strength of 460 MPa (460) which has specified elevated temperature properties (NH).P460NH is a weldable fine grain normalised steel for use in heat exchangers, pressure vessels and reactors.is a normalised fine grain steel with good weldability characteristics.
Chemical elements composition of P460NH:
| C |
Si |
Mn |
P |
S |
Al (total) |
N |
Cr |
|
0.20 |
0.60 |
1.10-1.70 |
0.025 |
0.015 |
≥0.020 |
0.025 |
0.30 |
|
Cu |
Mo |
Nb |
Ni |
Ti |
V |
Nb+Ti+V |
|
|
0.70 |
0.10 |
0.05 |
0.80 |
0.03 |
0.20 |
0.22 |
|
Mechnical property of P460NH pressure vessel steel:
| Thickness(mm) |
Yield strength (≥Mpa) |
Tensile strength (Mpa) |
Elongation in ≥,% |
|
T≤16 |
460 |
570-720 |
17 |
|
16<T≤40 |
445 |
||
|
40<T≤60 |
430 |
||
|
60<T≤100 |
400 |
540-710 |
|
|
100<T |
400 |
540-710 |
P460NH Other technology requirements:
Z Test, UT (ultrasonic test), T (tempered), Q (quenched), Q+T, PWHT (simulated post-weld heat treatment), Elevated Temperature Tension Test) ect.
P460NH Relative Grades:
P275NH,P275NL1,P275NL2,P355N,P355NH,P355NL1, P355NL2, P460N,P460NH,P460NL1,P460NL2--En10028-3
P460NH Size Range:
Thickness : 1.5 mm -300mm
Width :1000mm-4000mm
Length :1000mm-18000mm
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