En10216 STEEL PIPE

EN 10216 Seamless Steel Tubes supplier

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EN 10216 is a standard which covers steel grade P235TR2, which are well suited for pressure applications. Furthermore, European Standard EN 10216-1 specifies the technical delivery conditions for two qualities steels i.e. en 10216-1 p235tr1 and TR2. Both these steel qualities are seamless tubes produced with a circular cross-section. This standard also mentions specific properties at room temperature from products, for instance, EN 10216-1 Grade P235TR2 Alloy Steel Seamless Tubes manufactured from a quality of non-alloy steel.

While steels belonging to quality TR1 are used for applications involving the conveyance of different media, whereas steels under quality en 10216-1 p265tr2 are intended for use in systems for both pressure equipment and pipelines. Similar to most English standards, there are different designations that describe the use of the said steel grade. While the letter P suggests that the EN 10216 Seamless Steel Tubes is to be used for pressure purposes, the number 235 or 265 makes a mention of its minimum yield strength in N/mm2. The letters T designates a tube, whereas R is the designation for non alloy steels meant for ambient or room temperature use, with either number 1 or 2 indicating the quality of the en 10216-1 material.

Chemical Element of EN 10216-1 Seamless non-alloy steel tubes

Steel grades	CHEMICAL COMPOSITION (LADLE ANALYSIS)
Steel grades	C% max	Si% max	Mn% max	P% max	S% max	Cr% max	Mo% max	Ni% max	Al. cał% min	Cu% max	Nb% max	Ti% max	V% max	Cr + Cu+ Mo +Ni % MAX
P195TR1	0,13	0,35	0,70	0,025	0,020	0,030	0,08	0,030	-	0,030	0,010	0,04	0,02	0,70
P195TR2	0,13	0,35	0,70	0,025	0,020	0,030	0,08	0,030	0,02	0,030	0,010	0,04	0,02	0,70
P235TR1	0,16	0,35	1,20	0,025	0,020	0,030	0,08	0,030	-	0,030	0,010	0,04	0,02	0,70
P235TR2	0,16	0,35	1,20	0,025	0,020	0,030	0,08	0,030	0,02	0,030	0,010	0,04	0,02	0,70
P265TR1	0,20	0,40	1,40	0,025	0,020	0,030	0,08	0,030	-	0,030	0,010	0,04	0,02	0,70
P265TR2	0,20	0,40	1,40	0,025	0,020	0,030	0,08	0,030	0,02	0,030	0,010	0,04	0,02	0,7

Grade	C	Si	Mn	P	S	Cr	Mo	Cu	Ni
P195	≤0.13	≤0.35	≤0.70	≤0.025	≤0.020	≤0.030	≤0.08	≤0.30	≤0.30
P235	≤0.16	≤0.35	≤1.20	≤0.025	≤0.020	≤0.030	≤0.08	≤0.30	≤0.30
P265	≤0.20	≤0.40	≤1.40	≤0.025	≤0.020	≤0.030	≤0.08	≤0.30	≤0.30

EN 10216 Seamless Steel Tubes Mechanical Properties

Pipe types	Steel grades	Mechanical properties							Resilience
		Upper yield limit Re min for wall thickness T mm			Tensile strength Rm	Elongation A min			Minimum energy average absorbed KV J at the temperature of 0°C
		T<\=16	16<T<\=40	40<T<\=60					1		t
		MPa	MPa	MPa	MPa	1		t	0	-10		0
Line pipes P195TR1, P195TR2, P235TR1, P235TR2, P265TR1, P265TR2	P195TR1	195	185	175	320-440	27	25		-	-		-
	P195TR2	195	185	175	320-440	27	25		40	28		27
	P235TR1	235	225	215	360-500	25	23		-	-		-
	P235TR2	235	225	215	360-500	25	23		40	28		27
	P265TR1	265	255	245	410-570	21	19		-	-		-
	P265TR2	265	255	245	410-570	21	19		40	28		27

Grade	Yield Strength (Mpa)	Tensile Strength (Mpa)	Elongation(%)L	Elongation (%)T
P195	≥195	320-440	27	25
P235	≥235	360-500	25	23
P265	≥265	410-570	21	19

EN 10216-1 Carbon Seamless Steel Tubes Wall Thickness Tolerances

Outside	Tolerance on D	Tolerances on T for a T/D ratio
diameter D		<= 0.025	> 0.025	> 0.050	> 0.10
			<= 0.050	<= 0.10
D <= 219.1 mm	± 1 % or ± 0.5 mm	± 12.5 % or ± 0.4 mm whichever is greater
D > 219.1 mm	whichever is the greater	± 20 %	± 15 %	± 12.5 %	± 10 %*

EN 10216-1 Tubes Inspection and test type

EN 10216-1 Grade P235TR2 Alloy Steel Seamless Tubes & heat exchanger tube in many sizes & surface finish

Inspection and test type		Test frequency
Mandatory tests	Ladle analysis	One ladle
	Tensile testing	One per every tested batch
	Resilience testing at the temperature of 0ºC	One per every tested batch
	Tightness testing	Every pipe
	Dimensional testing	-
	Visual inspection	-
Optional tests	Ladle analysis	One ladle
	Resilience testing on longitudinal samples at the temperature of -10ºC	One per every tested batch
	Wall thickness measurements at a distance from pipe ends	-
	Non-destructive testing in order to identify any longitudinal discontinuity	Every pipe