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 normalized 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

 

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

 

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.)

P355N boiler and pressure vessel steel plate

EN10028 P355N steel plate/sheet, under EN standard, we can regard P355N steel plate/sheet for boilers and Pressure Vessels steels.

P355N steel is 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.

 

P355N steel chemical composition

Element	Max %	Element	max %
C	0.20	Cu	0.30
Si	0.50	Mo	0.08
Mn	0.90-1.70	N	0.02
P	0.03	Nb	0.05
S	0.03	Ni	0.50
AL	0.020	Ti	0.03
Cr	0.30	V	0.10
Nb+Ti+V	0.12

 

P355N steel mechanical properties

Grade	Material	Thickness	Yield Strength	Tensile Strength	Elongation
		(mm)	MPa (min)	MPa	% (min)
P355N	1.0562	≤ 16	355
		16> to ≤35	355
		35> to ≤50	345
		50> to ≤70	325	490-630	22
		70> to ≤100	315	470-610	21
		100> to ≤150	295	450-590	21
		>150	1)	1)	1)

 

P355N steel impact test

Type	Usual Dekivery Condition	Norminal Thickness (mm)	Impact Energy KV min[J] at temperature [°C]
			Longitudinal					Longitudinal
			-50	-40	-20	0	+20	-50	-40	-20	0	+20
P355N	N	5-150	–	–	40	47	55	–	–	20	27	31

EN 10028-2 P355GH|EN10028 P355GH|P355 GH STEEL PLATE

EN10028 steel grade supersedes the older BS and DIN standards (Grades BS 1501-161-360A and DIN H 1, respectively).

P355GH steel grade is one of grade in En10028-2, which is non alloy and alloy steels with specified elevated temperature properties. P355GH grades are used above all for manufacturing boilers, pressure vessels and pipes transporting hot liquids.

 

P355GH Chemical Composition
Grade	The Element Max (%)
	C	Si	Mn	P	S	Al(min)	N
P355GH	0.10-0.22	0.60	1.10-1.70	0.025	0.015	0.020	0.012
	Cr	Cu	Mo	Nb	Ni	Ti	V
	0.30	0.30	0.08	0.040	0.30	0.03	0.02

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

 

Grade		P355GH Mechanical Property
	Thickness	Yield	Tensile	Elongation	Impact Energy(KV J) min
P355GH	mm	Min Mpa	Mpa	Min  %	-20°	0°	+20°
	≤ 16	355	510-650	20	27	34	40
	16> to ≤40	345	510-650	20	27	34	40
	40> to ≤60	335	510-650	20	27	34	40
	60> to ≤100	315	490-630	20	27	34	40
	100> to ≤150	295	480-630	20	27	34	40
	150> to ≤250	280	470-630	20	27	34	40

 

Equivalent steel grade of P355GH
Europe	Belgium	Germany	France	Italy	Sweden	India	Japan
Fe E355	D52-1,2	19Mn8	A52 CP	Fe510-1-KW	SS 21,06,01		SPV355

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 pressurized 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.

 

Chemical Composition of EN 10028 – P295GH

C	0.08 to 0.20	Cr	≤0.30
Si	≤0.40	Cu	≤0.30
Mn	0.90 to 1.50	Mo	≤0.08
P	0.025	Nb	≤0.020
S	0.015	Ni	≤0.30
Al	≤0.020	Ti	0.03
N	≤0.012	Vi	≤0.02

(Maximum values unless stated otherwise)

 

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 – P275NH/NL1/NL2

P275NH is a weldable fine-grain steel suitable for the fabrication of pressure vessels for pressurized 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

 

Gnee Steel 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.

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

 

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.)

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

Boiler Steel Sheets P265GH for Heat Exchanger

Terminology

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

 

Gnee Steel offer EN 10028 specified boiler and pressure vessel quality steel from stock which is in most cases of  China 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.

 

Chemical Composition of EN 10028 – P265GH

C	≤0.20	Cr	≤0.30
Si	≤0.40	Cu	≤0.30
Mn	0.80 to 1.40	Mo	≤0.08
P	0.025	Nb	≤0.020
S	0.015	Ni	≤0.30
Al	≤0.020	Ti	0.03
N	≤0.012	Vi	≤0.02

(Maximum values unless stated otherwise)

 

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
	16-40	255	410 – 530	22	27	34	40
	40-60	245	410 – 530	22	27	34	40
	60-100	215	410 – 530	22	27	34	40
	100-150	200	400 – 530	22	27	34	40
	150-250	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 – 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).

 

Chemical Composition

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%)

 

Mechanical Properties

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
	16-40	225	360-480	24	27	34	40
	40-60	215	360-480	24	27	34	40
	60-100	200	360-480	24	27	34	40
	100-150	185	360-480	24	27	34	40
	150-250	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)

16Mo3 Steel is mainly used for boilers and pressure vessels with elevated temperatures according to EN 10028-2 (2003). It is equivalent to 15D3 (AFNOR 36206 ) and UNI5869 16Mo3, 16Mo3 with Molybdenum alloy steel plates which is mainly used for constructing pressure vessels and boilers. The delivery condition of this grade shall be Normalized. 16Mo3 is a chrome molybdenum based steel which has excellent heat resistance and corrosion resistant characteristics.

16MO3 EQUIVALENTS

It is equivalent to 15Mo3 (DIN 17155 – Germany)

15D3 (NFA 36-205 – France)

BS1501-243b (BS1501 – UK)

ASTM 204 Gr.B

 

Chemical Properties of 16mo3 Steel Plates

Grade	C	Si	Mn	P	S	Cr	Mo	Ni	N	Cu
16Mo3	0.12/0.20	0.35	0.40/0.90	0.025	0.010	0.030	0.25/0.35	0.30	0.012	0.30

 

Mechanical Properties of 16mo3 Steel Plates

Grade	Thickness	Temperature (℃)
		50℃	100℃	150℃	200℃	250℃	300℃	350℃	400℃	450℃	500℃
	(mm)	MPa	MPa	MPa	MPa	MPa	MPa	MPa	MPa	MPa	MPa
16Mo3	≤16	273	264	250	233	213	194	175	159	147	141
	>16≤40	268	259	245	228	209	190	172	156	145	139
	>40 ≤60	258	250	236	220	202	183	165	150	139	134
	>60 ≤100	238	230	218	203	186	169	153	139	129	123
	>100 ≤150	218	211	200	186	171	155	140	127	118	113
	>150 ≤250	208	202	191	178	163	148	134	121	113	108