Detailed Project Report (DPR) on longitdinal submerged arc welding pipe (lsaw) and sriral submerged arc welding pipe (ssaw)

 
LONGITUDINAL SUBMERGED ARC WELDING PIPE (LSAW)
AND SPIRAL SUBMERGED ARC WELDING PIPE (SSAW)
CODE NO.2004]


(A) LONGITUDINAL SUBMERGED ARC WELDING PIPE (LSAW)

    Longitudinal submerged arc welded pipe, a type of longitudinally welded steel pipe produced by using the double-sided submerged arc welding method.

    LSAW pipes are welded tubular products made out of flat plates that are formed, bent and prepared for welding. LSAW pipes are welded with a straight seam that runs lengthwise across the pipe. LSAW pipes are commonly used in high pressure oil and gas pipelines because of their shorter welded seams and easier serviceability. These pipes are commonly required for sections of a pipeline that extend across areas with high population or building density or involve subsea applications. Due to their high raw material costs and the substantial investment required for LSAW pipe production lines, LSAW pipes are generally more costly to produce than SSAW pipes.


(B) SPIRAL SUBMERGED ARC WELDING PIPE (SSAW)

    Spiral submerged arc welded pipe, a type of spirally welded steel pipe produced by using the double-sided submerged arc welding method.

    Spiral welded pipes are formed using narrower plates or hot rolled coils, which lowers their production costs significantly. The spiral welding process permits the production of large-diameter pipes suitable for transporting large volumes of oil and gas. Traditional SSAW pipes were historically limited to low pressure applications; however, modern SSAW pipes have been used extensively in Russia, Canada and Asian countries in high pressure gas pipelines.

    Spiral Weld Pipe, as the name implies, is a steel pipe which has a seam running its entire length in a spiral form. In the past, due to the method of manufacture, Spiral Welded pipe was relegated to low pressure and structural applications. With the development of the Submerged Arc Welding process, the production of large hot rolled coils of sufficient width and the development of dependable non-destructive testing methods, it is now possible to produce Spiral Weld pipe for high pressure service

    Spiral welded pipe is an alternative process, spiral weld construction allows large diameter pipe to be produced from narrower plates or skelp. The defects that occur in spiral welded pipe are mainly those associated with the SAW weld, and are similar in nature to those for longitudinally welded SAW pipe


COST ESTIMATION

Project Name                                          750.00 MT./day
Land & Building (8000 Sq.Mtr)                   Rs.5.78   Cr
Plant & Machinery                                     Rs. 4.18  Cr
W.C. for 2 Months                                     Rs.94.85  Cr
Total Capital Investment                             Rs. 105.00 Cr
Rate of Return                                           50%
Break Even Point                                        28%


INTRODUCTION    
PROPERTIES    
USES AND APPLICATION    
B.I.S. SPECIFICATIONS    
MARKET OF M.S. WELDED PIPE    
MAJOR CUSTOMERS    
MANUFACTURERS/SUPPLIERS OF LSAW AND SSAW    
MANUFACTURING PROCESS OF LSAW    
MANUFACTURING PROCESS OF SSAW    
PROCESS FLOW CHART FOR LSAW    
PLANT LAYOUT    
SUPPLIERS OF PLANT AND MACHINERY    
SUPPLIERS OF RAW MATERIALS    


APPENDIX – A :

 1.      COST OF PLANT ECONOMICS      
 2.      LAND & BUILDING                                      
 3.      PLANT AND MACHINERY                                  
 4.      FIXED CAPITAL INVESTMENT                             
 5.      RAW MATERIAL                                         
 6.      SALARY AND WAGES                                     
 7.      UTILITIES AND OVERHEADS                              
 8.      TOTAL WORKING CAPITAL                                
 9.      COST OF PRODUCTION                                   
10.      PROFITABILITY ANALYSIS                               
11.      BREAK EVEN POINT                                     
12.      RESOURCES OF FINANCE                           
13.      INTEREST CHART                                       
14.      DEPRECIATION CHART                                   
15.      CASH FLOW STATEMENT                                   
16.      PROJECTED BALANCE SHEET