P275NH is a weldable fine-grain steel suitable for the fabrication of pressure vessels for pressurised gases and chemicals, industrial boilers, compressors and heat exchangers. The grade is intended for use in moderate to high temperature service.

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Product introduction

EN 10028 P275NH/NL1/NL2
275NH is a weldable fine-grain steel suitable for the fabrication of pressure vessels for pressurised gases and chemicals, industrial boilers, compressors and heat exchangers. The grade is intended for use in moderate to high temperature service.

Other grade types include...
NL1 – is ideal for use in low temperatures
NL2 – is ideal for use in especially low temperatures

offers P275NH from stock and deliver it to you. Our carbon plates are also tested to the most stringent standards which makes the suitability of our stock even greater and ensures you get a quicker delivery.

Technical Data

Chemical Composition of EN 10028 P275 NH, P275 NL1 & P275 NL2 (%)

Element	P275NH	P275NL1	P275NL2	Element	P275NH	P275NL1	P275NL2
Carbon (C) max.	0.16	0.16	0.16	Silicon (Si) max.	0.40	0.40	0.40
Manganese (Mn)	0.80 to 1.50	0.80 to 1.50	0.80 to 1.50	Phosphorous (P) max.	0.025	0.025	0.020
Sulphur (S) max.	0.015	0.015	0.010	Chromium (Cr) max.	0.30	0.30	0.30
Molybdenum (Mo) max.	0.08	0.08	0.08	Nickel (Ni) max.	0.50	0.50	0.50
Niobium (Nb) max.	0.05	0.05	0.05	Titanium (Ti) max.	0.03	0.03	0.03
Vanadium (Vi) max.	0.05	0.05	0.05	Nitrogen (N) max.	0.012	0.012	0.012
Aluminium (Al) min.	0.020	0.020	0.020	Copper (Cu) max.	0.30	0.30	0.30

The combined quantities of Niobium, Titanium and Vanadium should be 0.05% max.

Mechanical Properties of EN 10028 P275 NH, P275 NL1 & P275 NL2

Grade	Type	Thickness (mm)	Yield Strength MPa (min)	Tensile Strength MPa	Elongation % (min)
P275 NH P275 NL1 P275 NL2	Normalized	≤ 16 16> to ≤40 40> to ≤60 60> to ≤100 100> to ≤150 150> to ≤250	275 265 255 235 225 215	390 to 510 390 to 510 390 to 510 370 to 490 360 to 480 350 470	24 24 24 23 23 23

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

To find out more about P275 NH, NL1 & NL2 and to receive a competitive quotation for the supply of this material, please contact us.

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Shandong Chengshun Metal Materials Co., Ltd. is located in Jinan City, Shandong Province. It is a comprehensive company dealing in high-quality steel products, with a superior geographical location and very convenient transportation. The company has a complete and scientific quality system, and has been recognized by the industry for its integrity, strength and product quality.

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Mainly exported to Europe, Southeast Asia, South Africa, the Middle East, Latin America and other countries and regions, the products are favored by Chinese and foreign users.

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Boiler Pressure Vessel Steel