Flender/Flender Gear Units/Helical gear Reduction Box H3
c relationship (source local spot size, max and min source strength, object to film distance, radiation angle with respect to

weld and film). 1. Limit of film coverage 1. Film type and make 1. Exposure Time 1. Processing (time temperature

for development stop bath or inse, fixation, washing, drying etc.) 1. Density 1. Sensitivity 1. Type of penetrameter RACTOR 1

of 1 STANDARD TECHNICAL SPECIFICATION MECON LIMITED REGD. OFF: RANCHI 8 OIL & GAS SBU, DELHI DOCUMENT NO. Page 4

of 6 TITLE MEC//0/2/0 REVISION : 0 PIPING FABRICATION AND ERECTION EDITION : 1 WELDING SPECIFICATION CHART EXHIBIT- Sheet 1 of 2 Class : Material Specification : Pipes : API 5L Gr. 6, API 5L Gr. API 5L Gr. 4 Fittings : 1, A2 Gr. WPB. MSS-SP-7, Gr. WPHY4, MSS- Flanges : 1, MSS-SP-4 Gr . F4, MSS-SP as Gr. WPH 6 Other : 4 Gr. F6C Base Metal of NCL : Welding Processes : Groove Joints : Butt Root Pass SMAW Filler Pass SMAW Root Pass SMAW Filler Pass SMAW Filler Joints/ Socket Joints : SMAW Welding Materials : Groove Joints : Butt Root Pass E6G/ E7G Filler Pass F7G/ E8G/ E8G Root Pass E7/ E7G/ E8G Filler Pass F7/ E7G/ E8 1G Filler Joints/ Socket Joints : E7/ E7/ E7G/ E8G Backing Page Consumable : Gases : Purging Sheilding Gas Composition : Purging Sheilding Preheating : 1 min for all welds, 1 qC Post heating Post weld heat treatment : Holding temp. : 5-6 Holding Time : 1 Hr. per inch thk Rate of heating : 2 /hr max . Min holding time : 1 . Method of cooling : Controlled Rate of cooling : 2 qC/h