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P460NH steel exporter, P460NH steel plate, P460NH steel Chemical Composition

P460NH, so called for having a minimum yield strength of 460 MPa, is is a high quality pressure vessel steel grade for use in boiler and pressure vessel fabrication. It is a normalised fine grain steel with good weldability characteristics.

P460NH is also used in sour gas applications where the steel will be HIC Tested to gauge the materials susceptibility to hydrogen induced cracking.

P460NH steel plate demension( T* W* L) : 6-250mm * 1500-4020mm * 3000-18000mm.

P460NH steel

Chemical Composition of EN 10028 P460 NH, P460 NL1 & P460 NL2

Element	P460NH	P460NL1	P460NL2	Element	P460NH	P460NL1	P460NL2
Carbon (C) max.	0.20	0.20	0.20	Silicon (Si) max.	0.60	0.60	0.60
Manganese (Mn)	1.10 to 1.70	1.10 to 1.70	1.10 to 1.70	Phosphorous (P) max.	0.025	0.025	0.020
Sulphur (S) max.	0.015	0.015	0.010	Chromium (Cr) min.	0.30	0.30	0.30
Molybdenum (Mo) max.	0.10	0.10	0.10	Nickel (Ni) max.	0.80	0.80	0.80
Niobium (Nb) max.	0.05	0.05	0.05	Titanium (Ti) max.	0.03	0.03	0.03
Vanadium (V) max.	0.20	0.20	0.20	Nitrogen (N) max.	0.025	0.025	0.025
Aluminium (Al) max.	0.020	0.020	0.020	Copper (Cu) max.	0.70	0.70	0.70

Mechanical Properties of EN 10028 P460 NH, P460 NL1 & P460 NL2

Grade	Type	Thickness (mm)	Yield Strength MPa (min)	Tensile Strength MPa	Elongation % (min)
P460 NH P460 NL1 P460 NL2	Normalized	≤ 16 16> to ≤40 40> to ≤60 60> to ≤100 100> to ≤150	460 445 430 400 –	570 to 750 570 to 720 570 to 720 540 to 710 –	17 17 17 17 17

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.

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