ASTM A202 Pressure Vessel Steel Plate

ASTM A202 Pressure Vessel Steel Material and Grades:
Alloy System: **Chromium-Manganese-Silicon (Cr-Mn-Si)** Low-Alloy Heat-Resistant Steel

2026-04-17
ASTM A204/A204M Grade B molybdenum alloy steel

ASTM A204/A204M Grade B molybdenum alloy steel plates for pressure vessels feature superior chemical composition and mechanical properties compared to Grade A

2026-04-10
ASTM A204 Gr.A Molybdenum Alloy Pressure Vesse

As a molybdenum-alloy steel plate for pressure vessels under the ASTM A204/A204M standard, A204 Gr.A is a low-alloy, high-strength material specifically designed for service conditions involving moderate temperatures (≤400°C) and moderate-to-high pressure

2026-03-31
Key Characteristics of P295GH Steel

Key Characteristics of P295GH Steel

2025-12-22
Characteristics of DIN 17102 WStE 255 Steel

Characteristics of DIN 17102 WStE 255 Steel

2025-12-19

Need advice, or a quote?

P355NH steel, P355NH steel plate

P355NH steel under En10028-3 standard, EN10028 P355NH steel plate/sheet is used for boilers and Pressure Vessels steels, it is a normalized steel plate and sheet which is mainly used for building pressure vessels and boilers and pipes for hot liquid.

P355NH steel plate specification:
Thickness: 6mm to 300mm,
Width: 1500mm to 4050mm,
Length: 3000mm to 15000mm

P355NH Chemical Composition
Grade	The Element Max (%)
Grade	C	Si	Mn	P	S	Al(min)	N
P355NH	0.20	0.50	0.9-1.70	0.03	0.025		0.02
	Cr	Cu	Mo	Nb	Ni	Ti	V
	0.30	0.30	0.08	0.005	0.50	0.03	0.10

Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%

Grade		P355NHMechanical Property
Grade	Thickness	Yield	Tensile	Elongation	Impact Energy(KV J) min
P355NH	mm	Min Mpa	Mpa	Min %	-20°	0°	+20°
	t≤ 16	355	490-630	22	47	55	63
	16< t ≤35	355	490-630	22	47	55	63
	35< t ≤50	345	490-630	22	47	55	63
	50< t≤70	325	490-630	22	47	55	63
	70< t ≤100	315	470-610	21	47	55	63
	100< t≤150	295	450-590	21	47	55	63

P355NH steel plate application:

P355NH steel is used in petroleum, chemical industry, power station, boiler, etc, P355GH used to make the reactor, heat exchanger, separator, spherical tank, liquefied gas, nuclear reactor pressure vessel and boiler steam drum bottle steam, liquefied petroleum, hydropower station high pressure hose, spiral case and other equipment and components.

As a professional P355NH steel supplier, BEBON is specialized in supplying P355NH steel. For more information of P355NH steel plates, please contact us!