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Dear Pipe Welding expert. There are a strong and evident relation between pipe thickness and pipe welding time " assuming that pipe diameter is same " since the amount of metal deposit is exponentially proportional with pipe thickness. Lets go Back to DIA -Inch welding definition, where We...

Dear API std specialist. According to API 1104 , which pipe thickness tiger " threshold " starting Post welding heat treatment. Thanks Tarek

Dear canpro, ralph Thanks indeed for you participation . Dear Ralph, the steps and notes you provided is so useful. Mostly we are going to buy , so we need to budget the QTY. I've already done it based on 1 meter pay span. see the attached file, since we are in UAE, the currency used is...

dear All Scaffolding Experts. We are doing a project in UAE - Abu Dhabi , the project is surface facility plant or central process plant , oil & Gas pre export treatment. the plant contains 3,500 Lm of multi layer and story pipe rack. we need to erect a scaffolding under each layer...

Dear weldstan is there any min. requirement ? What is driving contractor selection to choice between J and V profile ? the contractor might formulate a profile providing him less metal deposit rate , or cheaper welding electrode , so what would be controlling such action ?

Dear Welding and piping expert. it is whom responsibility to determine the type of pipe/piping welding profile " Root depth, Spacing , Bevel angle and shape Single or double grooving , V or J type ? On what basis these parameters " Type of profile , dimensions along with Welding electrode...

Dear Welding and piping expert. it is whom responsibility to determine the type of pipe/piping welding profile " Root depth, Spacing , Bevel angle and shape Single or double grooving , V or J type ? On what basis these parameters " Type of profile , dimensions along with Welding electrode...

Dear ZDas, thanks for your feedback , would you please elaborate more about the TDC , the acronym is not well know for myself.

Dear Sjones, thanks for reply. the point of making seam line on the upper part of pipe, see the attached sketch and please confirm the proper angle as per the provided scale on the sketch. that will work for one spool, what is about the consecutive spool, shall it follow the same angle or I...

Dear All Piping expert we are doing a pipeline and piping work in iraq. We have pipe 52" API 5L X60 welded oil transfer line. the pipe is welded. my question : is there any standard or regulation controlling the orientation of pipe's seams " line of longitudinal welding " , by another word...

Dear PWHT expert. Please advise from your past experience the best equipment manufactures. We are looking for PWHT units 80 to 100 KVA 6 channels will full accessories. Regards; Tarek

Dear ZogZog We have 4 unit of this Circuit breaker 2500 A , it is connected with Generators " 4 units " . since 1 week we got the 4 units broken, the Breaker broken at open position, and lever operating the gear set not latching and charging the gear to close the breaker. We are looking for...

I was searching through internet and I couldn't find a website provide X-ray or Gamma-Ray pipeline radiography training " online and free " nor tutorial. If any one know good one, please recommend.

Dear Ele. Eng. Any one have ABB SACE PR121/p Dis-assembly Drawing, please share it with me.

Dear Weldstan Simple and smart idea.

To calculate the welding cost , you need to consider the below elements. Manpower cost 1- Welder " Craft Cost " , It is pertinent with his productivity and salary " Paid to emp. and fringe benefits " 2- Overhead cost : Supervision and management. Material Cost 1- Welding machine depreciation...

Dear Racookpe, I do agree with you, but I need to consider all facts when i ordered welding electrode , especially when we are working on an politically not stable area like Iraq " currently we are there " where there is no future use for electrode surplus and cost of purchasing E7010 For...

Dear Welding expert I've tried to find a website or paper advising what is the standard rate of cellulose coating weight Vs Filler Weight. Usually Welding electrode " SMAW Stick " weight = Cellulose costing weight + Filler Metal Weight . Most of welding electrode QTY or weight " metal...

Dear welding expert. when it comes to welding of oil & gas pipeline. to what extend we have a freedom in selection the welding profile? what is the relation between bevel profile (altering V shape bevel to J shape bevel profile ) and money, time saving due to reduce ot increase the filler metal...

Dear Corrosion specialist. What is the main function of corrosion coupon? What is the best location and position to be installed? What is the main types and options for this coupon?