P355NH steel

Classification :

Boiler Pressure Vessel Steel

The ASTM A537 specification covers heat treated carbon steel plates for pressure vessel applications.

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Boiler Pressure Vessel Steel

Product introduction

EN 10028 P355NH/NL1/NL2
A pressure vessel steel grade with good weldability and high resistance to brittle cracking, P355NH is used by the world's fabricators for the manufacture of pressure vessel tanks for the storage of pressurised gases.

Other grade types include...
NL1 – is ideal for use in low temperatures
NL2 – is ideal for use in especially low temperatures
P355NH is a normalised steel grade with a minimum yield strength of 275-460 N/mm² and plates are available ex–stock from our warehouse.

Technical Data

Chemical Composition of EN 10028 – P355 NH/NL1/NL2

	P355 NH	P355 NL1	P355 NL2
C	0.18	0.16	0.16
Si	0.50	0.40	0.40
Mn	1.10 to 1.70	0.80 to 1.50	0.80 to 1.50
P	0.025	0.025	0.020
S	0.015	0.015	0.010
Al	0.020	0.020	0.020
N	0.012	0.012	0.012
Cr	0.30	0.30	0.30
Cu	0.30	0.30	0.30
Mo	0.08	0.08	0.08
Nb	0.05	0.05	0.05
Ni	0.50	0.50	0.50
Ti	0.03	0.03	0.03
V	0.05	0.05	0.05

Mechanical Properties of EN 10028 – P355 NH/NL1/NL2

Grade	Type	Thickness (mm)	Yield Strength MPa (min)	Tensile Strength MPa	Elongation % (min)
P355 NH	Normalized	≤ 16	355	490 - 630	21
P355 NL1		16> to ≤40	345	490 - 630	21
P355 NL2		40> to ≤60	335	490 - 630	21
		60> to ≤100	315	470 - 610	21
		100> to ≤150	305	460 - 600	21
		150> to ≤250	295	450 - 590	21

(Please note: the technical information above is for guidance only – for exact specifications please check with our Sales Team)

warehouse storage

The annual output of the factory is 400,000 tons, and the current inventory is more than 100,000 tons, which can greatly save the purchasing time of customers and ensure the production cycle and product quality of customers. We are a quality partner for domestic and foreign customers. At present, there are 14 steel production lines for processing, bending, coating, heat treatment, cutting, drilling, chamfering, conditioning, surface treatment and 13 sets of processing equipment.

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Our main products are: carbon steel plate, carbon steel pipe, carbon steel coil, stainless steel plate, stainless steel coil, stainless steel profile, galvanized plate, galvanized coil, color coated steel coil, ppgi/ppgl and a wide range of high quality steel products.

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Li Cheng (Shandong) Metal Materials Co., LTD. has the right to import and export, and its products are exported to more than 20 countries in Asia, Africa, Europe, North America and other regions. Complete processing equipment, perfect quality assurance system, well received by customers.We are willing to first-class technology, first-class equipment, first-class service wholeheartedly and friends from all walks of life sincere cooperation!

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Applicable to construction, petroleum, chemical, electric power, metallurgy, urban gas, heat pipe network, Bridges, railways, vehicles, ships and other industrial fields and construction, infrastructure and other engineering fields. Complete testing equipment, strong technical force, can implement GB, ASTM, JIS, DIN and other standards.

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Boiler Pressure Vessel Steel