BS En 10217-1 P235tr1  1.0254 Welded Steel Tube Pipe for Pressure Purposes

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  • BS En 10217-1 P235tr1  1.0254 Welded Steel Tube Pipe for Pressure Purposes
  • BS En 10217-1 P235tr1  1.0254 Welded Steel Tube Pipe for Pressure Purposes
  • BS En 10217-1 P235tr1  1.0254 Welded Steel Tube Pipe for Pressure Purposes
  • BS En 10217-1 P235tr1  1.0254 Welded Steel Tube Pipe for Pressure Purposes
  • BS En 10217-1 P235tr1  1.0254 Welded Steel Tube Pipe for Pressure Purposes
  • BS En 10217-1 P235tr1  1.0254 Welded Steel Tube Pipe for Pressure Purposes
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Basic Info.

Model NO.
P235TR1 1.0254
Technique
Hot-Rolled+Cold-Drawn
Material
Alloy Steel
Surface Treatment
as Required
Usage
for Oil Equipment
Section Shape
Round
Cutting Service
Available
Mtc
3.1 or 3.2 Certificate
Delivery Condition
a, N, Q+T
Transport Package
Seaworthy Standard Package
Specification
30-850mm
Trademark
SHUNFU
Origin
China
HS Code
7304192000
Production Capacity
50000tons/Year

Product Description

BS En 10217-1 P235tr1	1.0254 Welded Steel Tube Pipe for Pressure PurposesBS EN 10217-1 Welded Steel Tubes for Pressure Purposes


Non-alloy steel tubes with specified room temperature properties
 

10217-1 Welded steel tubes Dimensions

Outside diameter: 5 to 2500mm
Wall thickness:0.5 to 50mm
 

10217-1 Welded steel tubes Chemical composition

Steel grade C
max.
Si max. Mn max. P
max.
S
max.
Cr
Max.
Mo
max.
Ni
max.
Al
min.
Cu
max.
Nb
max.
Ti
max.
V
max.
Cr+Cu+Mo+Ni
max.
Steel name Steel number
P195TR1 1.0107 0,13 0,35 0,70 0,025 0,020 0,30 0,08 0,30 - 0,30 0,010 0,04 0,02 0,70
P195TR2 1.0108 0,13 0,35 0,70 0,025 0,020 0,30 0,08 0,30 0,02 0,30 0,010 0,04 0,02 0,70
P235TR1 1.0254 0,16 0,35 1,20 0,025 0,020 0,30 0,08 0,30 - 0,30 0,010 0,04 0,02 0,70
p235TR2 1.0255 0,16 0,35 1,20 0,025 0,020 0,30 0,08 0,30 0,02 0,30 0,010 0,04 0,02 0,70
P265TR1 1.0258 0,20 0,40 1,40 0,025 0,020 0,30 0,08 0,30 - 0,30 0,010 0,04 0,02 0,70
P265TR2 1.0259 0,20 0,40 1,40 0,025 0,020 0,30 0,08 0,30 0,02 0,30 0,010 0,04 0,02 0,70
 

10217-1 Welded steel tubes Mechanical properties

Steel grades Tensile properties Impact properties



Steel name


Steel number
Upper yield strength ReH  min for
T mm

T d 16 16 < T d 40
MPa

Tensile Strength
Rm MPa

Elongation A min.
% b c
Minimum average absorbed energy KV  J
at a temperature of °C
l t
0
l t 0 -10
P195TR1 1.0107 195 185 320-440 27 25 - - -
P195TR2 1.0108 195 185 320-440 27 25 40 28 27
P235TR1 1.0254 235 225 360-500 25 23     -
P235TR2 1.0255 235 225 360-500 25 23 40 28 27
P265TR1 1.0258 265 255 410-570 21 19 - - -
P265TR2 1.0259 265 255 410-570 21 19 40 28 27
 

10217-1 Welded steel tubes Tube manufacture and delivery conditions

 

Route N°
Manufacturing Process Manufacturing routes
Delivery Condition a
Applicable for quality

Process

Symbol

Starting material

Forming operation
TR1 TR2
1a




Electric welded b







EW

As (hot) rolled strip




Cold formed (+ welded)
As welded X -
1b NW x -
1c NP x x
2a
Normalising rolled strip
As welded x -
2b NW x x
2c NP x x
3
As (hot) rolled or normalising rolled strip
Cold formed (+ welded) + hot stretch reduced at a controlled temperature to give a normalised condition
NR

x

x
4 Cold rolled + stress relieved Cold formed (+ welded) NP x x
11a



Submerged arc- welded
 
  • Longitudinal seam or
  • helical seam




SAW:
-SAWL


-SAWH

As (hot) rolled plate or strip

Cold formed (+ welded)
As welded x -
11b NW x -
11c NP x x
12a
Normalising rolled plate or strip

Cold formed (+ welded)
As welded x x
12b NW x x
12c NP x x
13a
As in lines 11 or 12

Normalising-formed (+ welded)
As welded x x
13b NW x x
13c NP x x
21 Continuous welded, only for steel grades P195 and P235 with D d 114,3 mm
BW

As (hot) rolled strip

Hot forming (+ welded)

As welded

x

-
a As welded = no heat treatment; NP = Full pipe normalised ; NW = Normalised weld zone; NR= Normalised rolled
b For tubes of quality TR2 , only high-frequency welding, minimum frequency 100 kHz, (symbol = HFW) is permitted.
 

10217-1 Welded steel tubes Appearance

The tubes shall be free from external and internal surface defects that can be detected by visual examination.

The internal and external surface finish of the tubes shall be typical of the manufacturing process and, where applicable, the heat treatment employed. Normally the finish and surface condition shall be such that any surface imperfections requiring dressing can be identified

It shall be permissible to dress, only by grinding or machining, surface imperfections provided that, after doing so, the wall thickness in the dressed area is not less than the specified minimum wall thickness. All dressed areas shall blend smoothly into the contour of the tube.

Surface imperfections which encroach on the specified minimum wall thickness shall be considered defects and tubes containing these shall be deemed not to conform to this Part of EN 10217.

Repairs to the weld seam of EW or BW tubes are not permitted. Repairs to the weld seam of SAW tubes are permitted in accordance with an established and agreed procedure.
 

10217-1 Welded steel tubes Straightness

The deviation from straightness, of any tube length L, shall not exceed 0,0015 L. Deviations from straightness over any one metre length shall not exceed 3 mm.
 

10217-1 Welded steel tubes Preparation of ends

Tubes shall be delivered with square cut ends. The ends shall be free from excessive burrs.
 

10217-1 Welded steel tubes Inspection

Cast analysis
Tensile test on base material
Transverse tensile test
Flattening test
drift expanding test
Weld bend test for SAW tubes
Leak-tightness test
Dimensional inspection
Visual examination
NDT of the weld
 

10217-1 Welded steel tubes Options

1)Tube manufacturing process and/or route
2)Selection of the delivery condition
3)Restriction on copper and tin content
4)Product analysis
5)Longitudinal impact testing at -10 C for quality TR2
6)Selection of leak-tightness test method
7)Special end preparation
8)Exact lengths
9)Specific inspection for quality TR1
10)Type of inspection document other than the standard document
11)Tensile test on the weld for tubes with 219,1 < D d 508 mm
12)Test unit restriction for tubes with D d 76,1 mm of quality TR2
13)Wall thickness measurement away from the ends
14)Non-Destructive Testing method
15)Additional marking
16)Protection
BS En 10217-1 P235tr1	1.0254 Welded Steel Tube Pipe for Pressure PurposesBS En 10217-1 P235tr1	1.0254 Welded Steel Tube Pipe for Pressure PurposesBS En 10217-1 P235tr1	1.0254 Welded Steel Tube Pipe for Pressure PurposesBS En 10217-1 P235tr1	1.0254 Welded Steel Tube Pipe for Pressure Purposes

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