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January 4, 2019

Casing pipe application in high-temperature gas wells

In recent years, with the decreasing number of easily exploitable oil and gas wells, it has become necessary for oil and gas wells to go deeper on both underground and underwater. And, tubing and casing strings are subjected to higher temperature and higher pressure in these wells, which would probably […]

January 4, 2019

Properties of Galvanized Steel Pipe Welds

Properties of Galvanized Steel Pipe Welds Galvanizing has been used to protect iron and steel from rusting for over a hundred years in places as diverse as the wire rope used for the suspension cables on the Brooklyn Bridge to gutters on houses. Galvanizing is simply coating of zinc over […]

January 2, 2019

Why not galvanizing after welding for steel pipe

Why not galvanizing after welding Why not avoid the whole problem of welding galvanized steel pipe sheets after galvanizing? After all, steel products are always galvanized after manufacture, because there has been no practical way to restore the galvanizing effect after welding. Zinc plating after manufacture is still conventional, but […]

December 30, 2018

Black and Galvanized Steel Pipe For Water Transmission & Scaffolding

Carbon Steel Pipe (Black and Galvanized) Water Transmission Pipe Pipe Standard : ASTM A53 Grade A – Sch 40 NOMINAL SIZE OUTSIDE DIAMETER WALL THICKNESS LENGTH WEIGHT BUNDLING maximum minimum inch inch mm inch mm inch mm inch mm meter ft kg/m kg/ft lb/ft pieces 1 1.315 33.4 1.331 33.7 […]

December 29, 2018

API 5L Grade-B ERW Line Pipe Technical Specifications , 20″DN (508.0 mm)×WT 7.9 mm

Schedule of Requirements IFT NO. PD.2312/397-MECD/MEZ/PIPE.Materials: Line Pipe. Item No. Description of Goods Qnty Unit A. Line Pipe. As per detailed technical specifications at Section 7. Size and quantity are as follows: A.1 DN 20″ x WT 7.9 mm API 5L Grade B, ERW 450 Meter. A.2 DN […]

December 26, 2018

A333 Grade 6 Low Carbon Steel in Pipelines – Microstructural Characterization and Hardness Properties

M. N. Ervina Efzan*, S. Kesahvanveraragu, J. Emerson 1.0 INTRODUCTION 1.1 Offshore Pipeline Material Pipelines in offshore platform are made up of various types of materials. Selection of material relies upon certain considerations such as cost, functional requirement, operating conditions of pressure and temperature, corrosion rate and so forth [1-2]. Since there […]

December 15, 2018

ASTM A269 316L Stainless Tube Inspection Report

ASTM A269 316L stainless tube covers nominal-wall-thickness, seamless and welded austenitic steel tubing for general corrosion-resisting and low- or high-temperature service. The steel tube shall be furnished in the heat-treated condition, and shall also conform to the chemical composition requirement, and different mechanical tests that includes flaring test, flange test, […]

December 14, 2018

ASTM A179 / ASME SA179, ASTM A192 / ASME SA192 Seamless Cold Drawn Low Carbon Heat Exchanger, Condenser, Superheater and Boiler Tube

ASTM A179 / ASME SA179, ASTM A192 / ASME SA192 covers minimum-wall thickness, seamless cold-drawn low-carbon steel tubes for heat exchangers, condensers, superheater and boiler, and similar heat transfer apparatus. The tubes are frequently ordered as follows: Chemical compositions C Si Mn P S 0.06%-0.18% ≤0.25% 0.27%-0.63% ≤0.035% ≤0.035% […]

December 12, 2018

Pipe Manufacturing Process

The Manufacturing Process of Seamless Pipe and Welded Pipe Seamless Pipe Manufacturing Process Seamless pipe is strongest amongst all pipes type as it has a homogeneous structure throughout pipe length. Seamless pipes are manufactured in a verity of size and schedule. However, there is a restriction on the manufacturing of large diameter pipe. Seamless […]