Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe

HISTORY OF SPIRAL WELDED STEEL PIPE AND SPIRALSTEEL PIPE INTRODUCTION


 HISTORY OF WELDED STEEL PIPE AND SPIRALSTEEL PIPE INTRODUCTION
 
pes for water provide began to become applied about 2500 B.C. The Chinese transported water by way of bamboo. In
Southern Europe and also the Near East, tile pipes had been crafted to provide water for the baths of kings and emperors. The
age of iron began about 1000 B.C. Classical historians don?ˉt spend their time investigating pipes; on the other hand, bits of
information and facts on pipe improvement have already been recorded by engineers. 1 such document is History of Steel Water
Pipe by Walter H. Cates, who spent his expert lifetime designing steel pipes with Consolidated Western Steel, a Division of U.S. Steel Corp. Components on the following are abstracted 
 
WELDED STEEL PIPE INTRODUCTION
 are made by steel strip forming to pipe shape and followed by automatic double-side submerged arc welding (S.A.W.)? are delivered in compliance with DIN, API, EN Standards respectively by other mutually agreed requirements or technical conditons? are manufactured within the range of outdoors nominal diameters from 406 to 1420 mm and also the wall thickness from five.0 to 12.five mm, in the lengths 8 to 18 m or in exact lengths with tolerances corresponding to appropriate requirements. Deliveries of cut-to-lengths pipes lengths from 1.5 to 8 m are also possible in accordance with particular agreements ? are produced from low carbon as well as microalloyed steels with guaranteed weldability ? are meticulously tested employing non-destructive procedures (X-ray, ultrasonic); premium quality and reliability of delivered pipes are guaranteed.
SPIRAL WELDED STEEL PIPE
Future of Welded Steel Pipe
Through the 21st Century, demand for pipe will enhance. A worldwide demand for far more cost-effective transportation
will turn into urgent. The cost of trans- portation of fluids per unit weight perunit distance decreases roughly by an
order of magnitude for every single trans- portation mode: from air to surface to ship to pipe. In addition, durable pipe
with longer life will likely be in demand as a result of the too-short design life of many buried pipes now in service. For
pipelines on the 21st Century, design life must be elevated substantially beyond the historical 50-year life.
 
Testing
If some tests differ from those defined by good quality standards, or pipe properties
are assured as outlined by unique agreements together with the partners, technical
circumstances for such tests need to be agreed prior to any delivery contract is
signed.
Products inspection
 The items are delivered around the basis of a requirement stated within a sale
contract following agreement of contracting parties.
Pipes are made use of for:
 spiral pipe for gas lines
 spiral pipe for oil lines
 spiral pipe for hot water lines
 spiral pipe for potable water lines
 spiral pipe for sewage lines
 spiral pipe for civil engineering and structural purposes, piling.
Specific production
Production of pipes in accordance with DIN 1626, API Spec. 5L, EN 10 217-1, 
EN ten 219 standards in grades St 37.0/GRADE B PSL1/ P 235 TR1/S 235 JRH

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