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  • Prediction of welding distortions and residual stresses in ...

    2005-3-31u2002·u2002In the radial direction, the total thickness of the pipe is divided into four elements, each of length 1.5 mm, three of which are used to represent the V-groove for filler material. Two tack welds on the inner radius are modelled at angular positions of 90° and 270° from the weld start position.

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  • 2. Design of Welded Connections - American Welding

    2017-6-27u2002·u2002weld length for any groove weld, square or skewed, shall be the width of the part joined, perpendicular to the direction of tensile or compressive stress. For groove welds transmit-ting shear, the effective length is the length specified. 2.3.2 Effective Area. The effective area shall be the ef-fective weld length multiplied by the weld size.

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  • Johnson Screen Center Pipe for Radial Flow Reactor

    The center pipe is also called the radial flow screens, center pipe and inner screen which is the main component of the radial flow reactor, and is made of Johnson screen. Bluslot center pipe is made by using the patent technology of laser cutting and composite welding. It has the characteristics of accurate structure size, high gap precision ...

    Get Price
  • Guidelines for the Design of Buried Steel Pipe July 2001

    2011-12-19u2002·u2002Welded pipe, joined by welding techniques permitted by the ASME code or the API standards. Piping designed, fabricated, inspected and tested in accordance with an ASME B31 pressure piping code. These codes are: B31.1 power piping, B31.3 process piping, B31.4 liquid hydrocarbon pipelines, B31.5 refrigeration piping, B31.8 gas transmission and

    Get Price
  • Contour Method Advanced Applications: Hoop Stresses

    2013-4-16u2002·u2002The cast cylinders were machine fit at a step joint, as shown schematically in Fig. 2. The weld was a two-pass partial-penetration, autogenous electron beam weld centered at 64.8mm from the 'A' end. The first pass, with the e- beam focused, penetrated roughly half of the thickness, bonding the two cast cylinders. The e- beam was then

    Get Price
  • The prediction of burn-through during in-service welding ...

    2000-9-1u2002·u2002Here, a new approximate method of predicting burn-through has been developed and shown to give industrially useful results. This is based on translating the temperature field into an effective cavity in the pipe-wall thickness, and using this information to calculate a safe working pressure during in-service welding. Previous article. in issue.

    Get Price
  • Riser Joint - an overview

    The riser string consists of 'joints' (segments) of riser pipe connected at the drill floor and 'run' (deployed) into the water. Figure 9.9 shows a typical ultra deepwater riser joint that is 75 ft long and has a continuous steel riser pipe down the middle. As shown, this riser joint has five pairs of buoyancy modules strapped on the outside and flange-type connectors at each end.

    Get Price
  • Stress Strain Analysis Questions and Answers

    A pipe with closed ends has an outer diameter of 150 mm and thickness of 5 mm. It subjected to an internal pressure of 3.0 MPa. The material is grey cast iron. What is the safety factor against yie...

    Get Price
  • Prediction of welding distortions and residual stresses in ...

    2005-3-31u2002·u2002In the radial direction, the total thickness of the pipe is divided into four elements, each of length 1.5 mm, three of which are used to represent the V-groove for filler material. Two tack welds on the inner radius are modelled at angular positions of 90° and 270° from the weld …

    Get Price
  • 2. Design of Welded Connections - American Welding

    2017-6-27u2002·u2002weld length for any groove weld, square or skewed, shall be the width of the part joined, perpendicular to the direction of tensile or compressive stress. For groove welds transmit-ting shear, the effective length is the length specified. 2.3.2 Effective Area. The effective area shall be the ef-fective weld length multiplied by the weld size.

    Get Price
  • Johnson Screen Center Pipe for Radial Flow Reactor

    The center pipe is also called the radial flow screens, center pipe and inner screen which is the main component of the radial flow reactor, and is made of Johnson screen. Bluslot center pipe is made by using the patent technology of laser cutting and composite welding. It has the characteristics of accurate structure size, high gap precision ...

    Get Price
  • Guidelines for the Design of Buried Steel Pipe July 2001

    2011-12-19u2002·u2002Welded pipe, joined by welding techniques permitted by the ASME code or the API standards. Piping designed, fabricated, inspected and tested in accordance with an ASME B31 pressure piping code. These codes are: B31.1 power piping, B31.3 process piping, B31.4 liquid hydrocarbon pipelines, B31.5 refrigeration piping, B31.8 gas transmission and

    Get Price
  • Contour Method Advanced Applications: Hoop Stresses

    2013-4-16u2002·u2002The cast cylinders were machine fit at a step joint, as shown schematically in Fig. 2. The weld was a two-pass partial-penetration, autogenous electron beam weld centered at 64.8mm from the 'A' end. The first pass, with the e- beam focused, penetrated roughly half of the thickness, bonding the two cast cylinders. The e- beam was then

    Get Price
  • The prediction of burn-through during in-service welding ...

    2000-9-1u2002·u2002Here, a new approximate method of predicting burn-through has been developed and shown to give industrially useful results. This is based on translating the temperature field into an effective cavity in the pipe-wall thickness, and using this information to calculate a safe working pressure during in-service welding. Previous article. in issue.

    Get Price
  • Riser Joint - an overview

    The riser string consists of 'joints' (segments) of riser pipe connected at the drill floor and 'run' (deployed) into the water. Figure 9.9 shows a typical ultra deepwater riser joint that is 75 ft long and has a continuous steel riser pipe down the middle. As shown, this riser joint has five pairs of buoyancy modules strapped on the outside and flange-type connectors at each end.

    Get Price
  • Stress Strain Analysis Questions and Answers

    A pipe with closed ends has an outer diameter of 150 mm and thickness of 5 mm. It subjected to an internal pressure of 3.0 MPa. The material is grey cast iron. What is …

    Get Price
  • Measurement of the Residual Stresses and Investigation of ...

    2016-4-3u2002·u2002In sodium-cooled fast reactors (SFR), grid plate is a critical component which is made of 316 L(N) SS. It is supported on core support structure. The grid plate supports the core subassemblies and maintains their verticality. Most of the components of SFR are made of 316 L(N)/304 L(N) SS and they are in contact with the liquid-metal sodium which acts as a coolant.

    Get Price
  • SOLUTION (15.29) Known: Schematic and Given Data

    2014-6-19u2002·u200215-40 SOLUTION (15.29) Known: Three spur gears transmit power from a motor shaft to a machine shaft in a given geometric arrangement. The middle gear acts as an idler and is supported by two bearings. Find: (a) Determine the radial load on idler shaft bearings for a given direction of motor

    Get Price
  • Prediction of welding distortions and residual stresses in ...

    2005-3-31u2002·u2002In the radial direction, the total thickness of the pipe is divided into four elements, each of length 1.5 mm, three of which are used to represent the V-groove for filler material. Two tack welds on the inner radius are modelled at angular positions of 90° and 270° from the weld …

    Get Price
  • 2. Design of Welded Connections - American Welding Society

    2017-6-27u2002·u2002weld length for any groove weld, square or skewed, shall be the width of the part joined, perpendicular to the direction of tensile or compressive stress. For groove welds transmit-ting shear, the effective length is the length specified. 2.3.2 Effective Area. The effective area shall be the ef-fective weld length multiplied by the weld size.

    Get Price
  • Johnson Screen Center Pipe for Radial Flow Reactor

    The center pipe is also called the radial flow screens, center pipe and inner screen which is the main component of the radial flow reactor, and is made of Johnson screen. Bluslot center pipe is made by using the patent technology of laser cutting and composite welding. It has the characteristics of accurate structure size, high gap precision ...

    Get Price
  • Guidelines for the Design of Buried Steel Pipe July 2001

    2011-12-19u2002·u2002Welded pipe, joined by welding techniques permitted by the ASME code or the API standards. Piping designed, fabricated, inspected and tested in accordance with an ASME B31 pressure piping code. These codes are: B31.1 power piping, B31.3 process piping, B31.4 liquid hydrocarbon pipelines, B31.5 refrigeration piping, B31.8 gas transmission and

    Get Price
  • Contour Method Advanced Applications: Hoop Stresses in ...

    2013-4-16u2002·u2002The cast cylinders were machine fit at a step joint, as shown schematically in Fig. 2. The weld was a two-pass partial-penetration, autogenous electron beam weld centered at 64.8mm from the 'A' end. The first pass, with the e- beam focused, penetrated roughly half of the thickness, bonding the two cast cylinders. The e- beam was then

    Get Price
  • The prediction of burn-through during in-service welding ...

    2000-9-1u2002·u2002Here, a new approximate method of predicting burn-through has been developed and shown to give industrially useful results. This is based on translating the temperature field into an effective cavity in the pipe-wall thickness, and using this information to calculate a safe working pressure during in-service welding. Previous article. in issue.

    Get Price
  • Riser Joint - an overview

    The riser string consists of 'joints' (segments) of riser pipe connected at the drill floor and 'run' (deployed) into the water. Figure 9.9 shows a typical ultra deepwater riser joint that is 75 ft long and has a continuous steel riser pipe down the middle. As shown, this riser joint has five pairs of buoyancy modules strapped on the outside and flange-type connectors at each end.

    Get Price
  • Stress Strain Analysis Questions and Answers

    A pipe with closed ends has an outer diameter of 150 mm and thickness of 5 mm. It subjected to an internal pressure of 3.0 MPa. The material is grey cast iron. What is the safety factor against yie...

    Get Price
  • Measurement of the Residual Stresses and Investigation of ...

    2016-4-3u2002·u2002In sodium-cooled fast reactors (SFR), grid plate is a critical component which is made of 316 L(N) SS. It is supported on core support structure. The grid plate supports the core subassemblies and maintains their verticality. Most of the components of SFR are made of 316 L(N)/304 L(N) SS and they are in contact with the liquid-metal sodium which acts as a coolant.

    Get Price
  • SOLUTION (15.29) Known: Schematic and Given Data

    2014-6-19u2002·u200215-40 SOLUTION (15.29) Known: Three spur gears transmit power from a motor shaft to a machine shaft in a given geometric arrangement. The middle gear acts as an idler and is supported by two bearings. Find: (a) Determine the radial load on idler shaft bearings for a given direction of motor

    Get Price
  • Finite Element Analysis of Fillet Welded Joint

    2016-5-26u2002·u2002Transport vehicles, marine ships, mobile plant equipment are few examples where fillet welding are used extensively. Analysis of welded structures are still remains a ... Transverse residual stress distribution along the X direction (Teng et al. ... Experimental stress strain carves of parent pipe and GMAW, FCAW weld metal (Pisarski, Tkach ...

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  • What Is an Angle Grinder in Welding, and How Is It Used ...

    2018-6-12u2002·u2002SMAW can be a messy process that leaves a lot of slag leftover, but an angle grinder is an effective way of removing it. The angle grinder also grinds down weld beads when performing root and fill passes in pipe welding. [8] Flap discs can also be used to …

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  • OXY/ACETYLENE WELDING AND CUTTNG - Weldability

    2007-9-20u2002·u2002The weld is started at the left-hand end and moves towards the right with the blowpipe flame preceding the filler rod in the direction of travel. The rod is given a circular forward motion and the blowpipe is moved steadily along the weld seam – See Fig. 3 This is faster than leftward welding and consumes less gas; the V angle is

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  • RISK ASSESSMENT & METHOD STATEMENT Example 1

    2021-5-27u2002·u2002h. Drain down and vent the system i. Remove pipe work and electrical connections and store safely ready for disposal j. Remove the lagging and boiler casing and store in 'lay down' area paying attention not to block any fire escape routes k. Remove the casing on the calorifier l.

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  • buried pipe

    buried pipe calcstress. Pipelines are used to transfer liquid and gas products from one place to other place where is in distant from source points. For example a pipeline between oil well to a refinery carries extracted oil to a refining facility for being refined. The refined oil may be transferred to a shipping terminal by other pipelines.

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  • St a t i c Mi x i n g te c h n o l o g y - Chemineer

    2013-2-1u2002·u2002radial mixing and flow division for any combination of liquids, gases, or solids. Adapts to Any Piping System Mixer dimensions match all stan-dard pipe sizes. Mixer housings feature plain, threaded, weld prep or flanged ends for easy installa-tion. Flange styles include raised face slip-ons, weld neck, lap joint, ring joint and Grayloc-type hubs

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  • Steam Conditioning Control Valve Installation Guide

    downstream pipe system allow for a greatly reduced distance. Flow induced benefits are achieved with the proper placement of pipe elbows that allow high-energy turbulence to assist in the mixing of spray water upon passage through the elbow. For the sensor location of a specific application, a piping layout along …

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  • Differentiating Between Acoustic and Flow-Induced

    2021-2-23u2002·u2002Figure 2. Pressure Profile Along the Pipe Additionally, large-pressure losses tend to produce a wider spectrum of waves with higher frequencies than locations with low-pressure losses. The high-frequency acoustic waves (500–2,500 Hz) tend to extend outward radially in the fluid and thus vibrate piping around the full pipe circumference.

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  • 5 Best Spot Welders For The Money in 2021 - Welding

    The welding tips are made from high-quality steel to allow you to deliver a faultless and reliable welding connection for materials up to 0.039 inches. The 6-inch welding tips give you a solid grip to assist you in applying strong pressure that is needed to deliver a strong welding bond in the materials that need to be welded together.

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  • Apparatus for ultrasonic inspection of the welding seam of ...

    A pipe is reeled onto and over a stand having several positioning rollers to serve as reference for the pipe inspection devices. These devices include a plurality of transducers for longitudinal flaw detection arranged in pairs and along opposite sides of the seam, the transducers being in water tanks hung in gimbals on individual swing arms.

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  • Welders, Welding Wire, Welding Equipment, Accessories ...

    Pipeline Equipment, consumables and expert knowledge in the deployment of cross-country or offshore pipeline projects. Pipe Mill Welding, cutting and fabrication of large-scale pipe for cross-country and subsea material transfer. Power Generation Equipment, consumables and automation solutions for carbon-based, bio-fuel and renewable fuel ...

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  • Practical tips for welding: sharpening tungsten electrodes

    2020-12-3u2002·u20023. The right sharpening direction for tungsten electrodes: axial instead of radial. When sharpening the TIG welding electrode, the grinding direction is decisive: If the grinding is transverse, i. e. radial to the welding electrode, a wide arc cone is generated.

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  • Swivel Joints - SafeRack

    The D0002 Swivel Joint forms the basis for our swivel joints with one ball track. It has a minimal structural length, minimal external diameter, and minimal weight. The internal flange makes it possible to change the seal without removing the swivel joint from the pipeline. The D0002 Swivel Joint can be relubricated via grease nipples.

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  • Product Catalogue

    Connections to ASME: Schedule 40S and STD to NPS for valves with butt weld ends (other connections on request). Fugitive emissions performance tested and certified to EN ISO 15848-1. Certified to German TA Luft Technical Guidelines on Air Quality Control. Fire-safe design tested and certified to EN ISO 10497 (BS 6755 - API 6FA).

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  • Automated Welding Applied in Deep-Water Pipelines ...

    8) Pipe girth welds produced by the dual vehicle, dual welding gun equipment met all requirements of API STD 1104-2005, such as visual, ultrasonic, and mechanical performance testing.

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  • GUIDELINES Installation Guide for Ductile Iron Pipe

    2016-1-21u2002·u2002has provided accurate, reliable, and essential ... the pipe along the right-of-way. Pipe to be moved a short distance at the work site, as from one side of the street to the other, ... equipment. 5. Pipe should never be rolled off the carrier or dropped on old tires or other cushions. A forklift or crane should be used for unloading.

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  • Tendon Equipment

    Tendon Equipment. Oil States is the industry's most experienced supplier of tension leg mooring components, having supplied equipment for the majority of the TLPs in service today. Our experience, and our ability to offer the complete tendon package as one company, is unrivaled in the marketplace. We can offer the top connector with integral ...

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  • Pole Attachment Guidelines and Procedures May 2019

    2019-6-6u2002·u2002equipment on the Pole, and the highest communication cables or equipment. Spacing requirements for Communication Worker Safe ty Zone are specified by the NESC . Complex Make-Ready – Any pre-Attachment work within the Communications Space that would be reasonably likely to cause a service outage or facility damage, including, but not

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  • Types of Clamps and When to Use Them

    2017-8-29u2002·u2002The Dimide Clamp is a heavy-duty metalworking & welding clamp that specializes in combining speed and power through impact wrench compatibility. Designed for the high torque loads applied by an impact wrench, the Dimide Clamp is a reliable clamp that is perfect for squeezing parts together, preventing part-slippage, removing the clamp ...

    Get Price
  • Welding Flashcards

    Heated-tool (Heated surface) ________ welding is accomplished when a solvent is applied that can temporarily dissolve plastic, allowing two plastic surfaces to bond to one another. When this occurs, the polymer chains are free to move in the liquid and can mingle with other similarly dissolved chains.

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  • Welders, Welding Wire, Welding Equipment, Accessories ...

    Pipeline Equipment, consumables and expert knowledge in the deployment of cross-country or offshore pipeline projects. Pipe Mill Welding, cutting and fabrication of large-scale pipe for cross-country and subsea material transfer. Power Generation Equipment, consumables and automation solutions for carbon-based, bio-fuel and renewable fuel ...

    Get Price
  • Automated Welding Applied in Deep-Water Pipelines ...

    8) Pipe girth welds produced by the dual vehicle, dual welding gun equipment met all requirements of API STD 1104-2005, such as visual, ultrasonic, and mechanical performance testing.

    Get Price
  • Welding Processes Code of Practice - Safe Work Australia

    2020-3-30u2002·u2002Welding includes joining methods as diverse as fusion welding, forge welding, friction welding, braze welding, brazing, soldering and explosion welding. Welding is a potentially hazardous activity and precautions are required to avoid electrocution, fire and explosion, burns, electric shock, vision damage, inhalation of poisonous gases and ...

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  • Product Catalogue

    Connections to ASME: Schedule 40S and STD to NPS for valves with butt weld ends (other connections on request). Fugitive emissions performance tested and certified to EN ISO 15848-1. Certified to German TA Luft Technical Guidelines on Air Quality Control. Fire-safe design tested and certified to EN ISO 10497 (BS 6755 - API 6FA).

    Get Price
  • GUIDELINES Installation Guide for Ductile Iron Pipe

    2016-1-21u2002·u2002has provided accurate, reliable, and essential ... the pipe along the right-of-way. Pipe to be moved a short distance at the work site, as from one side of the street to the other, ... equipment. 5. Pipe should never be rolled off the carrier or dropped on old tires or other cushions. A forklift or crane should be used for unloading.

    Get Price
  • New Generation Crawler's Design With Safe Ecology ...

    2006-8-15u2002·u2002A signalling magnet with this magnetic system has adjustable wheels for its movement along the pipe and up/down unit that lets to put the magnet on a pipe surface and take it off without essential efforts of operator. Magnetic detector is placed on crawler on …

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  • Elliott Global Service Overview

    2019-1-22u2002·u2002– Interconnecting process piping. The world turns to Elliott. Global Service Products and Services ... – Repair using welding, machining, chrome plating, metal spray, and mechanical fix techniques ... steam leakage along the rotor shaft and prevents …

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  • Types of Clamps and When to Use Them

    2017-8-29u2002·u2002The Dimide Clamp is a heavy-duty metalworking & welding clamp that specializes in combining speed and power through impact wrench compatibility. Designed for the high torque loads applied by an impact wrench, the Dimide Clamp is a reliable clamp that is perfect for squeezing parts together, preventing part-slippage, removing the clamp ...

    Get Price
  • Welding Flashcards

    Heated-tool (Heated surface) ________ welding is accomplished when a solvent is applied that can temporarily dissolve plastic, allowing two plastic surfaces to bond to one another. When this occurs, the polymer chains are free to move in the liquid and can mingle with other similarly dissolved chains.

    Get Price
  • Stress Strain Analysis Questions and Answers

    A pipe with closed ends has an outer diameter of 150 mm and thickness of 5 mm. It subjected to an internal pressure of 3.0 MPa. The material is grey cast iron. What is the safety factor against yie...

    Get Price