Description :
Tenders for Safety Chain To Be As Per Is 3076:1984 Grade T (8) Or Latest. The Specifications As Issued By Rdso Are To Be Adhered To In Their Entirety Except That The Nominal Size (thickness) Of The Short Link Chain Is To Be 13 Mm (?0.5mm) To 14 Mm (?0.5 Mm) And Long Links At Ends With Ring/suitable Locking Arrangement For Padlocking Is To Be Of The Length Of 4.5 Meters. Further, The Length Of The Short Link Is To Be 60 Mm (12.5 X 4 +10 Mm Tolerance) To 70 Mm (14.5 X 4+12 Mm Tolerance) And The Width Of The Short-link Chain Shall Be 40 Mm (12.5 Mm X 3+2.5 Mm Tolerance) To 46 Mm (14.5 Min X 3+2.5 Mm Tolerance). These Are Electrically Welded Round Steel Short Link Chains, Fully Heat Treated And Tested And Comply With The General Conditions Of Acceptance Of Iso 1834 Or Latest. The Sizes Range From 5 To 45 Mm. (based On User Requirement). The Steel Used Shall Be Produced By The Open Hearth Or Electric Process, Or By An Oxygen Blow Process. It Shall Be Steel Alloy. Marking Shall Be Done As Per Is 3076:1984 Grade T(8) Or Latest. Supplier Shall Supply A Certificate Of Test And Examination Carried Out By The Government Owned Lab Or Nabl Approved Labs With Every Supply Of Chain. There Should Be Name Of The Chain Maker, Grade Of Material, Size Of Chain, Identification Marking, Proof Force Applied To The Whole Chain. No. Of Test Sample Taken, Breaking Force Of Each Sample, Total Ultimate Elongation At Fracture, During Manufacture The Heat Treated Chain Shall Be Subjected To Force Of 60% Of The Minimum Breaking Force. Accepted Diemnsions-safety Chain Of The Length 4.5 Meters (the Outer Lenth Of The Short Link Should Be 66mm To 68mm, The Outer Width Of The Short Link Should Be 42mm To 44mm) At End With Rings For Suitable Locking Arrangements For Pad Lock (ring Dia - 12.5mm, Ring I/d - 52mm Max, Ring Od - 77mm Max). Other Specs As Per Tender Description. (warranty Period : Upto 30 Months From The Date Of Delivery.) [ Warranty Period: 30 Months After The Date Of Delivery ]
