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EN 10208 Standard Welded Steel Tube / Welded Steel Pipe For Pipelines ISO

TORICH INTERNATIONAL CO.,LTD
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TORICH INTERNATIONAL CO.,LTD
City: Ningbo
Province/State: Zhejiang
Country/Region: China
Tel: 86-574-88086983
Contact Person:
Mr Richard SHEN

EN 10208 Standard Welded Steel Tube / Welded Steel Pipe For Pipelines ISO

Brand Name : TORICH
Place of Origin : CHINA
MOQ : 5 TON
Price : USD 650-1000 Per Ton
Packaging Details : In bundles with seaworthy packing
Model Number : EN 10208
Certification : TS16949 ISO9001 ISO 14001
Payment Terms : L/C, D/A, D/P, T/T
Supply Ability : 50000 tons per year
Delivery Time : 3-4 weeks
Standard : EN 10208
Material : Carbon Steel
Type : Seamless and Welded
Production : Cold Drawn, ERW, SAW, LASW
Brand : TORICH
MTC : EN10204 3.1B
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EN 10208 Standard Steel Pipe for pipelines for combustible fluids


The process by which a flat product is formed into a pipe without heating of the plate or strip.Cold working operation with a permanent strain greater than the maximum strain of 1.5% which differentiates it from sizing operations specified in table. For seamless pipe, the entire pipe; for welded pipes, the entire pipe excluding weld(S) and heat affected zone (HAZ)


Normalizing forming
Forming process in which the final deformation is carried out in a certain temperature range leading to a material condition equivalent to that obtained after normalizing so that the specified values of the mechanical properties are retained even after normalizing.

Quenching and tempering
Heat treatment comprising of quench hardening followed by tempering, where quench hardening implies austenitiization followed by cooling, under conditions such that austenite transforms more or less completely into martensite and possibly into bainite.
NOTE1 By tempering to specific temperature (<AC1) one or more times or holding at these temperatures, followed by cooling at an appropriate rate, the properties are brought to the required level.
NOTE2 The abbreviated form of this delivery condition is Q

Imperfection
Irregularity in the wall or on the pipe surfaces detectable by methods described in this document
Note Imperfections with a size and/or population density complying with the acceptance criteria specified in this document.
Note Defects are considered to adversely affect or limit the intended use of the product.


ERW piping and manufacturing route (starting material , pipe forming and heat treatment conditions)

Normalizimg rolled stripCold formingsrtess relieved (welded area)
Normalized (welded area
Cold forming and cold finishing

Normalized (entire pipe)

Heat treated (weld area)

The momechanically rolled strip Cold formingCold formingHeat treated (weld area)


Chemical composition of the cast analysis

L210GA 1.0319 C 0.21 Si 0.40 Mn0.90 P0.030 S0.030
L235GA 1.0458 C 0.16 Si 0.40 Mn1.20 P0.030 S0.030
L245GA 1.0459 C 0.20 Si 0.40 Mn1.15 P0.030 S0.030
L290GA 1.0483 C 0.20 Si 0.40 Mn1.40 P0.030 S0.030
L360GA 1.0499 C 0.20 Si 0.55 Mn1.45 P0.030 S0.030


Permissible deviations of the product analysis from the specified limits on cast analysis

Element Limiting value for the cast analysis according to Table 2 Permissible deviation of the product analysis
C ≤0.22 +0.02
Si ≤0.55 +0.05
Mn ≤1.45 +0.10
P ≤0.030 +0.005
S ≤0.030 +0.005
Al ≥0.015 <0.060 ±0.005
V+Nb+Ti ≤0.15 +0.02


Requirements for the result of tensile and bend test and for the hydrostatic test


Torich Interational Co.,Ltd is a professional manufacturer and exporter of steel pipes materials.
It is an international marketing and sales company specialized in steel tubes, which holds the factories of Seamless Steel Tubes with Carbon and Alloy Steel Grade, Welded Precision Steel Tubes,DOM Steel Tubes, Seamless & Welded Stainless Steel Tubes with Nickel and Alloy Steel Grade.
Our factory was established since 1997, with the name of Haiyan Sanxin Steel Pipe Co., Ltd. The factories` technicians are of great engineering experience in steel pipe industry for more than 20 years, which are in great command of production technology for Cold Drawing and Cold Rolling. So we have strong technician team and manufacturing capability.



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Producing Process



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EN 10208 Standard Welded Steel Tube / Welded Steel Pipe For Pipelines ISO Images

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