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EN10216-1 P265 Seamless Cold Drawing Alloy Steel Tubes 16mm To 140mm

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EN10216-1 P265 Seamless Cold Drawing Alloy Steel Tubes 16mm To 140mm

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Brand Name :	Joyruns
Model Number :	EN10216-1
Certification :	TS16949，ISO9001
Payment Terms :	TT, LC
Delivery Time :	30days

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EN10216-1 P265 Seamless Cold Drawing Alloy Steel Tubes 16mm To 140mm

Click to download the details of EN10216-1 P265 Seamless Alloy Boiler Steel Tubes:EN10216-1 P265 Boiler tube.pdf

High-pressure Boiler Seamless Steel Pipe

High-pressure boiler seamless steel tubes are often under high temperatures and pressure when used. The tubes will be oxidized and corroded under the action of high-temperature flue gas and water vapor. It is required that the steel pipe has high durability, high resistance to oxidation and corrosion, and good structural stability. High-pressure boiler seamless tubes are mainly used to manufacture superheater tubes, reheater tubes, air ducts, and main steam tubes for high-pressure and ultra-high-pressure boilers.

Application:
①General boiler seamless pipes are mainly used to make water wall pipes, boiling water pipes, superheated steam pipes, superheated steam pipes for locomotive boilers, large and small smoke pipes and arched brick pipes.
②High-pressure boiler tubes are mainly used to manufacture superheater tubes, reheater tubes, air guide tubes, main steam tubes, etc. of high-pressure and ultra-high-pressure boilers.

EN 10216-1 P265 Seamless steel tubes will be manufactured by a seamless process. The forming operations and delivery conditions are shown in Table 1.

Table 1 — Forming operations and delivery conditions

Forming operation	Quality	Delivery condition
Hot formed	TR1	As formed or normalized or normalizing-formed
	TR2	Normalized or normalizing-formed
Hot formed + cold finished	TR1 and TR2	Normalized

Chemical composition of EN 10216-1 P265

1. Chemical composition (cast analysis) a in % by mass for quality TR2

Steel grade	Steel number	C max.	Si max.	Mn max.	P max.	S max.	Cr max.	Mo max	Ni max.
P265TR2	1.0259	0,20	0,40	1,40	0,025	0,015	0,30	0,08	0,30

Al tot min.	Cu max	Nb max.	Ti max.	V max.	Cr+Cu+Mo+Ni max.
0,02	0,30	0,010	0,04	0,02	0,70

2. Chemical composition (cast analysis) a in % by mass for quality TR1

Steel grade	Steel number	C max.	Si max.	Mn max.	P max.	S max.	Cr max.	Mo max	Ni max.	Al tot min.
P265TR1	1.0258	0,20	0,40	1,40	0,025	0,020	0,30	0,08	0,30	-

Al tot min.	Cu max	Nb max.	Ti max.	V max.	Cr+Cu+Mo+Ni max.
-	0,30	0,010	0,04	0,02	0,70

Mechanical properties of EN 10216-1 P265
1. Mechanical properties for quality TR2

Steel grade		Tensile properties						Impact properties
Steel name	Steel number	Upper yield strength R eH b min. for Wall Thickness T mm			Tensile Strength R m	Elongation A min. %		Minimum average absorbed energy KV 2 J at a temperature of °C
		T ≤ 16	16 < T ≤ 40	40 < T ≤ 60	Tensile Strength R m	Elongation A min. %		l		t
		MPa *	MPa *	MPa *	MPa *	l	t	0	-10	0
P265TR2	1.0259	265	255	245	410 to 570	21	19	40	28 d	27

Note: l = longitudinal t = transverse

2. Mechanical properties for quality TR1

Steel grade		Tensile properties						Impact properties
Steel name	Steel number	Upper yield strength R eH b min. for Wall Thickness T mm			Tensile Strength R m	Elongation A min. % b c		Minimum average absorbed energy KV 2 J at a temperature of °C c
		T ≤ 16	16 < T ≤ 40	40 < T ≤ 60	Tensile Strength R m	Elongation A min. % b c		l		t
		MPa *	MPa *	MPa *	MPa *	l	t	0	-10	0
P265TR1	1.0258	265	255	245	410 to 570	21	19	-	-	-

Note: l = longitudinal t = transverse

Tolerances of EN 10216-1 Seamless steel tubes
Tolerances on outside diameter and on wall thickness

Outside diameter D mm	Tolerances on D	Tolerances on T for a T/D ratio
		≤ 0,025	> 0,025 ≤ 0,050	> 0,050 ≤ 0,10	> 0,10
D ≤ 219,1	± 1% or ± 0,5 mm whichever is the greater	± 12,5 % or ± 0,4 mm whichever is the greater
D > 219,1		± 20 %	± 15 %	± 12,5 %	± 10 % a
a For outside diameters D ≥ 355,6 mm it is permitted to exceed the upper wall thickness locally by a further 5 % of the wall thickness T

Tolerances on exact lengths

Length L	Tolerance on exact length
L ≤ 6 000	+ 10 0
6 000 < L ≤ 12 000	+15 0
L > 12 000	+by agreement 0

EN10216-1 P265 Seamless Cold Drawing Alloy Steel Tubes 16mm To 140mm

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