P355NH steel plates

P355NH steel plates

P355NH steel plates  are made the Reacto,Heat Exchanger,Separator,Spherical Tank,the Tank of oil gas ,Nuclear reactor,pressure shell,High-pressure water pipe,Turbin shell and other equipments.Gnee steel is glad to infrom our vast customers that our boiler steel plate P460NH are approved by TUV third party inspection from Germany.In advantage of high quality and best delivery time,xinsteel exported pressure vessel steel plates to many boiler manufacturers and heat exchanger plants all over the world.

■ Full Data
Technical Requirements & Additional Services:
♦ High tension test
♦ Low temperature impacting test
♦ Simulated post-welded heat treatment (PWHT)
♦ Ultrasonic test under EN 10160,ASTM A435,A577,A578
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Shot blasting and Painting,Cutting and welding as per end user’s demands
■ Techicals

►Mechnical property for 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

►Chemical composition for P460NH pressure vessel steel (Heat Analysis Max%)

Main 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
P355NH Pressure Vessel Steel

P355NH Pressure Vessel Steel

P355NH Pressure Vessel Steel

Hot rolled weldable steel bars for pressure purposes with specified elevated temperature properties.

Similar designations WStE 355, A 510AP, FeE 355-2  Chemical composition

Variant Cast Weldability C% Si % Mn% P % S % Cr % Ni % Mo% V % Ti % Cu % Al % Nb % N%
2714 CC CEV0.43max Min 0.01 0.01 1.10 0.000 0.000 0.00 0.00 0.00 0.000 0.000 0.00 0.020 0.000 0.0000
Pcm 0.27max Max 0.18 0.50 1.70 0.025 0.010 0.30 0.50 0.08 0.100 0.030 0.30 0.050 0.0120

Mechanical Properties

Variant Condition Format Dimension [mm] Yield strengthmin[MPa] Tensile strength[MPa] Elongation A5 [%] Impact (ISO-V) strengthmin
 

 

2714

 

 

+AR

Round bar 25 < 35 355* 490-630 22 -20 °C 40 J (long)
Round bar 35 < 50 345* 490-630 22 -20 °C 40 J (long)
Round bar 50 < 70 325* 490-630 22 -20 °C 40 J (long)
Round bar 70 < 100 315* 470-610 21 -20 °C 40 J (long)
Round bar 100 < 150 295* 450-590 21 -20 °C 40 J (long)
Rp0.2 * Reh, ** Rel

Transformation temperatures

Temperature °C
MS 432
AC1 717
AC3 847

Other properties (typical values)

Youngs module (GPa) Poisson´s ratio (-) Shear module (GPa) Density (kg/m3)
210 0.3 80 7800
Average CTE20-300°C (µm/m°K) Specific heat capacity 50/100°C (J/kg°K) Thermal conductivity Ambient temperature (W/m°K) Electrical resistivityAmbient temperature (µΩm)
12 460 – 480 40 – 45 0.20 – 0.25