“Annexure (Technical) –A (Contd) ” Component Characteristic Reference Type of Acceptance S. Frequency Inspection details Remarks Fabriactor’s Operation Checked Document quality Records criteria No. &Type of Inspecting Extent of control check Agency Inspection 1 2 3 4 5 6 7 8 9 10 11 Mechanical Test As per Mill Mill TC and 1.Verification RDSO One test test certificate shall 1.2 Mild Steel IS: 2062-11, Manufacturer’s UTS,Yield Stress, TC & test Challan of reference piece per record be furnished. UST shall be Authorized E250 , Quality Elongation %, required by document. thickness Co-related conducted as per provision of Bois generally Inspecting Bend test ,Impact per heat. with Mill relevant specification before used. official of test at 0 degree TC & test processing the material for 2.Complete However Zonal centigrade or-20 inspecting report. manufacturing. UST after load test visual Quality C shall Railway degree for official of shall also be carried out. inspection. be used for zone Zonal subzero Chemical Test C, Railway from condition. Mn, Si, P,S,CE. Govt.Lab ( As specified ./NABL in approved Approved Physical Drg.). lab. condition i.e. Pitting, rusting , rolling defect ,etc. Ultrasonic IS:4225or Testing of ASTMA435 100% plates (100%) Stainless Physical Test As per Mill Mill TC and 1.Verification of RDSO/ One test pc. Fabricator Stainless steel test certificate shall 1.3 Manufacturer’s Steel (S.S.) UTS, Yield TC & test Challan reference Per heat records. shall conform be furnished. Sample from each lot Authorized required by document. to AISI 316 L/x of S.S shall be drawn by authorize Stress, Inspecting RDSO/ O2 Cr1 inspecting official and tested in Elongation official of Authorized Govt./ NAB L approved laboratory. %,Hardness 2.Complete 7Ni12Mo2 Zonal inspecting visual ofIS:6911 Railway official of inspection. Zonal Or Railway from Govt. Lab Chemical Test (Grade/ class ./NABL C, Mn, Ni, Cr, As per approved P,S, Si, Mo relevant lab. approved Drg.)
“Annexure (Technical) –A (Contd) ” S. No. Component Operation Characteristic Checked Frequency &Type of check Reference Document Fabriactor’s quality control Inspection details Type of Records Acceptance criteria Remarks Inspecting Agency Extent of Inspection 1 2 3 4 5 6 7 8 9 10 11 1.2 Mild Steel Mechanical Test UTS,Yield Stress, Elongation %, Bend test ,Impact test at 0 degree centigrade or-20 degree for zone Chemical Test C, Mn, Si, P,S,CE. Physical condition i.e. Pitting, rusting , rolling defect ,etc. Ultrasonic Testing of plates (100%) As per Mill TC & test required by inspecting official of Zonal Railway from Govt.Lab ./NABL Approved lab. Mill TC and Challan 1.Verification of reference document. 2.Complete visual inspection. RDSO Authorized Inspecting official of Zonal Railway One test piece per thickness per heat. 100% record Co-related with Mill TC & test report. IS: 2062-11, E250 , Quality Bois generally used. However Quality C shall be used for subzero condition. ( As specified in approved Drg.). IS:4225or ASTMA435 Manufacturer’s test certificate shall be furnished. UST shall be conducted as per provision of relevant specification before processing the material for manufacturing. UST after load test shall also be carried out. 1.3 Stainless Steel (S.S.) Physical Test UTS, Yield Stress, Elongation %,Hardness Chemical Test C, Mn, Ni, Cr, P,S, Si, Mo As per Mill TC & test required by RDSO/ Authorized inspecting official of Zonal Railway from Govt. Lab ./NABL approved lab. Mill TC and Challan 1.Verification of reference document. 2.Complete visual inspection. RDSO/ Authorized Inspecting official of Zonal Railway One test pc. Per heat Fabricator records. Stainless steel shall conform to AISI 316 L/x O2 Cr1 7Ni12Mo2 ofIS:6911 Or (Grade/ class As per relevant approved Drg.) Manufacturer’s test certificate shall be furnished. Sample from each lot of S.S shall be drawn by authorize inspecting official and tested in Govt./ NAB L approved laboratory.
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