The steel manufacturing industry has been rightly called the
backbone of the global economy by Adam Smith. The alloy steel, the carbon steel,
and many other kinds of steel with specific properties which make them unique and critical at the same time.
Hence, making them a primary requirement of most industrialists.
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ABOUT US
The steel manufacturing industry has been rightly
called the backbone of the global economy by
Adam Smith. The alloy steel, the carbon steel, and
many other kinds of steel with specific properties
which make them unique and critical at the same
time. Hence, making them a primary requirement
of most industrialists.
This is where Excellent overseas comes in. we are
the leading brand in steel and
related products around the market and have been
serving many top industries around the world
for many years.
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pipe/dsaw/api-5l-x52-psl2-dsaw-pipe/
Product Categories
Carbon Steel Seamless & Welded Pipes.
(Varied Grades as per API 5L, A 106, A53, DIN standards)
Alloy Steel Seamless & Welded Pipes
(Varied Grades as ASTM/ASME SA 335 standards)
Stainless Steel Seamless & Welded Pipes
(Varied Grades as per ASTM A 312. A358, JIS, EN standards)
Fittings & Flanges in Carbon, Alloy & Stainless Steel as per various
standards
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About API 5L Pipes
API is an abbreviation for American Petroleum Institute it
covers seamless and welded line pipe.
The purpose of this specification is to provide standards for pipe
suitable for use in conveying gas, water, and oil in both the oil and
natural gas industries. The API 5l specification establishes
requirements for two product specification levels (PSL1 and PSL2).
These two PSL designations define different levels of standard
technical requirements. PSL 2 has mandatory requirements for
carbon equivalent, notch toughness, maximum yield strength and
maximum tensile strength.
The PSL designation has to be defined by the customer at the time
of order placement. EEW will produce pipes to PSL 1 if no PSL
level has been defined at the time of order placement.
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API Specification 5L
ITEM API 5L 41st API 5L 42nd PSL-1 API 5L 42nd PSL-2
Grade Range A25 through X80 A25 through X70 B through X80
Welder Frequency
Electric welds (min)
None None 100 kHz
Heat Treatment-
Electric welds
>X42 - required >X42 -required B through X80 -
required
Certification When SR15
specified
When SR15
specified
Mandatory
Traceability Traceable unit all
tests passed , unless
SR 15 specified
Traceable unit all
tests passed , unless
SR 15 specified
Traceable even after
completion of tests
Special Process NDE not included NDE not included NDE not included
7. API 5L X52 PSL2 DSAW PIPE
API 5L X52 PSL2 DSAW Pipe is a variant of API 5L. API
stands for American Petroleum Institute. Specifications for
API 5L adhere to the International Organization for
Standardization ISO 3183 These are steel pipes which come in
differing wall thicknesses and this is defined by the variant a
customer chooses for. For API 5L X52 PSL2 DSAW Pipe, the
wall thickness and other requirements are different than other
API 5L variants. Both welded and seamless pipes are available
in this range. There are various grades of these pipes available
from X42 to X80.
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About DSAW , LSAW and Seamless Pipes
Double submerged arc welded pipe (DSAW) derives its name from the
welding process wherein the welding arc is submerged in flux while
the welding takes place. Both inside and outside welds are required
and are usually accomplished in separate processes, hence the word
"double
In LSAW pipes, the welding is longitudinal, which means that steel
(hot rolled coil plate) is rolled into a pipe and the seam is welded
longitudinally.
Seamless (SMLS) pipe is formed by drawing a solid billet over a
piercing rod to create the hollow shell. As the manufacturing process
does not include any welding, seamless pipes are perceived to be
stronger and more reliable
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Why Excellent Overseas ?
The company is a specialist in steel pipes and other similar
products.
Excellent overseas believes in acting as a vital bridge between the
manufacturer and the customer. This helps the customer make sure
whatever he is purchasing from us is exactly what he needs.
Excellent overseas is popular for is the availability of the
speciality products in their on hand inventory.
The manufacturing process of Excellent overseas is the last but
definitely not the least important reason for its popularity. This
involves a two step process.
