TORICH EN10217-1 P195TR1 P235TR1 P265TR1 Welded Steel Tubes for Pressure Purposes

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Overview
Quick Details
Standard:
DIN
Standard2:
DIN EN 10217-1-2005
Grade Group:
Q195-Q345
Grade:
Q235, Q345, Q195, Q215
Thickness:
0.5 - 15 mm
Section Shape:
Round
Outer Diameter(Round):
6 - 219 mm
Place of Origin:
Jiangsu, China
Application:
Boiler Pipe
Technique:
ERW
Certification:
ISO9001:2008
Surface Treatment:
Black and Oiled
Special Pipe:
ERW Tube
Alloy Or Not:
Non-alloy
Product name:
EN10217-1 P195TR1 P235TR1 P265TR1 Welded Steel Tubes
Keyword:
Welded Steel Tube
Surface:
Black Painted
Material:
Q195/Q215/Q235/Q345
End protector:
Plastic Pipe Cap
Shape:
Round Square. Rectangular
Usage:
High Pressure Vessel
Length:
1-12m
Type:
10~219*0.5~20
Name:
ERW Square Hollow Section Steel Pipe
Supply Ability
Supply Ability:
5000 Ton/Tons per Month Welded Steel Tube
Packaging & Delivery
Packaging Details
Welded Steel Tube in bundles!
Port
Shanghai

TORICH EN10217-1 P195TR1 P235TR1 P265TR1 Welded Steel Tubes for Pressure Purposes

EN10217-1 Welded steel tubes for pressure purposes - Technical delivery conditions -
Part 1:   Non-alloy steel tubes with specified room temperature properties

 

Since 2nd century, the welding seam quality increased a lot with fast development of excellent quality steel coil production, welding technology and inspection technology improvement, more welding steel tube sizes are available, and gradually widely used in different areas to replace seamless steel tube.
 
Material:
Fully killed steel,  Fine grain steel with a ferritic grain size.
 
Steel Names:
In accordance with EN10027-1 and CR10260
 
Manufacture:
HFW  High frequency welded    
SAW  Submerged arc welded - longiditudinal seam -  SAWH
                                                     - helical seam - SAWL
 
Welding Procedure: 
Testing and inspection of the welding procedure for submerged ard welded(SAW) tubes are witnessed and approved in accordance with EN10217-1
 
Apperance and General:
The weld areas are free from cracks, lack of fusion and lack of penetration
The tubes are free from external surface defects that can be detected by visual examination.

 

Leak-tigthtness:

The Tubes shall pass a hydrostatic test or electromagnetic test for leak-tightness

 

Non-Destructive Testing:

The full length of the weld seam of all EW and BW tubes ahll be subjected to a Non-Destructive test for detection of longitudinal imferfections

The full length of the weld seaml of all SAW tubes shall be subjuected to a Non-Destructive test for the detection of imperfections.

 

Straightness: 

The deviation from straightness, of any tube length L, shall not exceed 0.0015L.

Deviations from Straightness over any one meter length shall not exeed 3mm.

 

Preparation of ends:

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

 

Testing and inspection of the welding procedure for submerged arc welded (SAW) tubes in accordance with EN10217-1AnnexA

Testing and inspection of the welding procedure for SAW tubes witnessed and approved in accordance with EN10217-1 AnnexA

 

Tube Manufacturing Process, route and delivery condition:

Rounte No.Manufacturing ProcessManufacturing routesDelivery conditionApplicable for quality
ProcessSymbolStarting materialForming operationTR1TR1
1aElectric weldedEWAs(hot) rolled stripCold formed(+welding)As weldedX-
1bNWX-
1cNPXX
2aNormalized rolled stripAs weldedX-
2bNWXX
2cNPXX
3As(hot)rolled or normalising rolled stripCold formed(+welded)+hot stretch reduced at a controlled temperature to give a normailsed conditionNRXX
4Cold Rolled + streass relievedCold formed(+welded)NPXX
11a

Submerged arc-welded

-Longitudinal seam

or

-helical seam

SAW:

-SAWL

-SAWH

As(hot) rolled plate or stripCold formed(+welded)As weldedX-
11bNWX-
11cNPXX
12aNormaliseing rolled plate or stripCold formed(+welded)As weldedXX
12bNWXX
12cNPXX
13aAs in lines 11 or 12Normalising formed(+welded)As weldedXX
13bNWXX
13cNPXX
21Continous welded, only for steel grades P195 and P235 with D ≤114.3mmBWAs(hot) rolled stripHot  formed(+welded)As weldedX-

a As wekded = no heat treatment.  NP=Full pipe normalsed.  NW= Normalised weld zone.  NR=Normaised rolled

b For tubes of quqality TR2, only high-frequency welding, minimum frequency 100kHz,(symbol=HFW) is permited


 


TORICH EN10217-1 P195TR1 P235TR1 P265TR1 Welded Steel Tubes for Pressure Purposes