EN 10028

EN 10028 Part 2 & 3 is the euro norm specification for flat steel products intended for use in pressurised service. The specification covers non–alloy and alloys steels as well as weldable fine grain steels.

EN 10028 sets standards for steel used in weldable industrial boilers and pressure vessels. The specification has the same status of the old DIN and BS Standards which EN 10028 has now superseded.

Terminology

When reviewing EN 10028 pressure vessel steel grades in subsequent pages of our website please note that…

  • GH – is ideal for use in elevated working temperatures
  • NH – for moderate to high temperature service
  • NL1 – is ideal for use in low temperatures
  • NL2 – is ideal for use in especially low temperatures

As a steel stockholder, Masteel UK Limited offer EN 10028 specified boiler and pressure vessel quality steel from stock which is in most cases of Western European Origin – this is known for its superior quality. Our carbon steel plates come with mill certification and are stamped to provide full traceability.

Alternatively, the customer can arrange testing via a third party testing house.

Our pressure vessel steels often end up in fabricated steel tanks used in sour service environments which are commonly found in the oil and gas industry. We can test your pressure vessel and boiler steel for its susceptibility to hydrogen induced cracking (see HIC steel), which is often a requirement for the supply of carbon steel plates into such industries.

EN 10028 – P235GH

P235GH is a European specified steel for use in pressure vessels, boilers and heat exchangers.

The composition of this steel makes it ideal for applications where elevated working temperatures are the norm and the material is used by fabricators throughout the oil, gas and petrochemical industry.

P235GH is a normalized carbon alloy steel and is available ex-stock from our warehouse with mill certification and stamping. This EN10028 steel grade supersedes the older BS and DIN standards (Grades BS 1501-161-360A and DIN H 1, respectively).

Table 1: Chemical Composition of EN 10028 – P235GH
C ≤0.16
Si ≤0.35
Mn 0.60 to 1.20
P 0.025
S 0.015
Al ≤0.020
N ≤0.012
Cr ≤0.30
Cu ≤0.30
Mo ≤0.08
Nb ≤0.020
Ni ≤0.30
Ti 0.03
Vi ≤0.02

(The combined quantities of Chromium, Copper and Molybdenum should not exceed 0.70%)

Table 2: Mechanical Properties of EN 10028 – P235GH

Type Thickness (mm) Yield Strength
MPa (min)		 Tensile Strength
MPa		 Elongation
% (min)		 Impact Energy
(KV J) (min)
-20° 0° +20°
Normalized ≤ 16 235 360 – 480 24 27 34 40
16> to ≤40 225 360 – 480 24 27 34 40
40> to ≤60 215 360 – 480 24 27 34 40
60> to ≤100 200 360 – 480 24 27 34 40
100> to ≤150 185 360 – 480 24 27 34 40
150> to ≤250 170 360 – 480 24 27 34 40

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

EN 10028 – P265GH

P265GH is a weldable pressure vessel and boiler steel grade used by the world’s industrial fabricators.

The material, which is ideally suited for elevated temperature service, is commonly found in the oil & gas, petrochemical and chemical industry. This European standard grade steel has replaced the BS1501 and DIN17155 specification.

As one of the world’s leading steel stockholders, Masteel UK Limited offer grade P265GH from stock at our steel warehouse in Birmingham, UK, and is available for shipping worldwide. The material comes with mill test certification and stamping and is therefore fully traceable. Like the majority of our steels, grade P265GH can be subjected to a variety of stringent tests prior to distribution.

Table 1: Chemical Composition of EN 10028 – P265GH
C ≤0.20
Si ≤0.40
Mn 0.80 to 1.40
P 0.025
S 0.015
Al ≤0.020
N ≤0.012
Cr ≤0.30
Cu ≤0.30
Mo ≤0.08
Nb ≤0.020
Ni ≤0.30
Ti 0.03
Vi ≤0.02

(Maximum values unless stated otherwise)

Table 2: Mechanical Properties of EN 10028 – P265GH

Type Thickness (mm) Yield Strength
MPa (min)		 Tensile Strength
MPa		 Elongation
% (min)		 Impact Energy
(KV J) (min)
-20° 0° +20°
Normalized ≤ 16 265 410 – 530 22 27 34 40
16> to ≤40 255 410 – 530 22 27 34 40
40> to ≤60 245 410 – 530 22 27 34 40
60> to ≤100 215 410 – 530 22 27 34 40
100> to ≤150 200 400 – 530 22 27 34 40
150> to ≤250 185 390 – 530 22 27 34 40

(Minimum values unless stated otherwise)

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

EN 10028 – P295GH

A steel which is ideal for use in elevated working temperatures, grade P295GH is used in the fabrication of industrial pressure vessels and boilers. It is an EN10028 specified grade which governs steels used in pressurised service.

It is a normalized steel and has excellent welding characteristics. It is used worldwide by fabricators serving the oil and gas industry and can be found in heat exchangers, weldable pressure vessels and boilers and pipework.

Masteel UK Limited offers grade P295GH from stock and the material is available for shipping worldwide. The material comes with mill test certification and stamping and is therefore fully traceable. Grade P295GH can be subjected to a variety of stringent tests prior to distribution.

Table 1: Chemical Composition of EN 10028 – P295GH
C 0.08 to 0.20
Si ≤0.40
Mn 0.90 to 1.50
P 0.025
S 0.015
Al ≤0.020
N ≤0.012
Cr ≤0.30
Cu ≤0.30
Mo ≤0.08
Nb ≤0.020
Ni ≤0.30
Ti 0.03
Vi ≤0.02

(Maximum values unless stated otherwise)

Table 2: Mechanical Properties of EN 10028 – P295GH

Type Thickness (mm) Yield Strength
MPa (min)		 Tensile Strength
MPa		 Elongation
% (min)		 Impact Energy
(KV J) (min)
-20° 0° +20°
Normalized ≤ 16 295 460 – 580 21 27 34 40
16> to ≤40 290 460 – 580 21 27 34 40
40> to ≤60 285 460 – 580 21 27 34 40
60> to ≤100 260 460 – 580 21 27 34 40
100> to ≤150 235 440 – 570 21 27 34 40
150> to ≤250 220 430 – 570 21 27 34 40

(Minimum values unless stated otherwise)

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

EN 10028 – P355GH

Widely used throughout the petrochemical industry, P355GH is a pressure vessel steel grade as specified under the Euro Norm standard (EN10028) which has superseded British Standard and DIN standard equivalents.

This normalized steel is used worldwide by fabricators of welded pressure vessels, industrial boilers and heat exchangers and is engineered to work well in elevated temperature service.

We offer grade P355GH from stock and the material is available for shipping to you worldwide. As with all of our steels, the material comes with mill test certification and stamping and is therefore fully traceable. We can also subject the material to a variety of stringent tests prior to distribution.

Table 1: Chemical Composition of EN 10028 – P355GH
C 0.10 to 0.22
Si ≤0.60
Mn 0.10 to 1.70
P 0.025
S 0.015
Al ≤0.020
N ≤0.012
Cr ≤0.30
Cu ≤0.30
Mo ≤0.08
Nb ≤0.020
Ni ≤0.30
Ti 0.03
Vi ≤0.02

(The combined quantities of Chromium, Copper and Molybdenum should not exceed 0.70%)

Table 2: Mechanical Properties of EN 10028 – P355GH

Type Thickness (mm) Yield Strength
MPa (min)		 Tensile Strength
MPa		 Elongation
% (min)		 Impact Energy
(KV J) (min)
-20° 0° +20°
Normalized ≤ 16 355 510 – 650 21 27 34 40
16> to ≤40 345 510 – 650 21 27 34 40
40> to ≤60 335 460 – 580 21 27 34 40
60> to ≤100 315 490 – 630 21 27 34 40
100> to ≤150 295 480 – 630 21 27 34 40
150> to ≤250 280 470 – 630 21 27 34 40

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

EN 10028 – P275NH/NL1/NL2

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.

Other grade types include…

  • NL1 – is ideal for use in low temperatures
  • NL2 – is ideal for use in especially low temperatures

Masteel offers P275NH from stock and deliver worldwide. 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.

Table 1: Chemical Composition of EN 10028 – P275NH/NL1/NL2

P275 NH P275 NL1 P275 NL2
C 0.16 0.16 0.16
Si 0.40 0.40 0.40
Mn 0.80 to 1.50 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

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

Table 2: Mechanical Properties of EN 10028 – P275NH/NL1/NL2

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

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

EN 10028 – P355 NH/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.

Table 1: 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

(The combined quantities of Niobium, Titanium and Vanadium should be 0.12% max.)

Table 2: 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)

EN 10028 – P460 NH/NL1/NL2

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.

Other grade types include…

  • NL1 – is ideal for use in low temperatures
  • NL2 – is ideal for use in especially low temperatures

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

Table 1: Chemical Composition of EN 10028 – P460 NH/NL1/NL2

P460 NH P460 NL1 P460 NL2
C 0.20 0.20 0.20
Si 0.60 0.60 0.60
Mn 1.10 to 1.70 1.10 to 1.70 1.10 to 1.70
P 0.025 0.025 0.020
S 0.015 0.015 0.010
Al 0.020 0.020 0.020
N 0.025 0.025 0.025
Cr 0.30 0.30 0.30
Cu 0.70 0.70 0.70
Mo 0.10 0.10 0.10
Nb 0.05 0.05 0.05
Ni 0.80 0.80 0.80
Ti 0.03 0.03 0.03
V 0.20 0.20 0.20

(The combined quantities of Niobium, Titanium and Vanadium should be 0.22% max.)

Table 2: Mechanical Properties of EN 10028 – P460 NH/NL1/NL2

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

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