Tender For Supply Of Different Type Ring Hammer For Uprvunl Thermal Power Plants, anpara-Uttar Pradesh

Supply Of Different Type Ring Hammer For Uprvunl Thermal Power Plants , Toothed Ring Hammer For Secondary Crusher Chemical Composition – Manganese Steel Grade -Iv, Composition As Per Is: 276/1978 C = 0.7% To 1.3% Mn = 11.5% To 14% Ni = 3% To 5% S = 0.96% Max. P = 0.09% Max. Si = 1% Max. Technical Specification – Id = 240 Mm, Od = 354 Mm Max., No. Of Teeth = 8 No., Width Of Teeth = 60 Mm, Width Of Hammer = 102 Mm, Weight = 30Kg (± 0.5 Kg) After Casting And Heat Treatment Hardness = 229 Bhn Teeth Elevation = 25 Mm Tolerance: Is 4897 Class – Ii Dimension As Per Drawing/Sample , Ring Hammer Of Manganese Steel Confirming To Ls 276/1978 Grade- Iv Having Following Composition: Carbon: 0.7 To 1.3% Manganese: 11.5 To 14%, Silicon: 01% Max. Sulphur: 0.06% Max., Phosphorous: 0.09%, Nickel: 03 To 05%, Weight Of Each Hammer: 20 Kg (±0.5 Kg), Width Of Hammer Should Not Exceed 100 Mm In Any Case, Material Hardness: 229 Bhn Max. (1 Set= 76 No.) Other Dimension As Per Drawing/Sample. , Ring Hammer Toothed: Size-140X226x330, Material- Cast Mn Steel (Is 276, Gr Iii), Weight- 39.5Kg, As Per Drawing/Sample , Crusher Hammer (Is-276/1978) For Russian Crusher For Chd-Ii, Btps Material:Manganese Steel (Duly Heat Treated) 1 Set=99 Nos. Finish Weight Of Each Hammer: 61 Kg (±100 Gm.), Hardness: 210 To 229 Bhn Tolerance As Per Is- 4897 Class-Ii Other Dimension As Per Drawing/Sample. , Plane Ring Hammer For Elecon Make Crusher 1 Set=26 Nos. Material: Manganese Steel (Mn-11.5 -14%) Weight: 45 Kg. Approx. Each Hammer Grade-Iv, Is: 276-1978 Id-210 Mm., Od-310 Mm., Hight/Depth-140 Mm. Dimension As Per Drawing/Sample , Tooth Ring Hammer For Elecon Make Crusher 1Set=28 Nos. Material: Manganese Steel (Mn-11.5 -14%) Weight: 33 Kg. Approx. Each Hammer Grade-Iv, Is: 276-1978 Id-210 Mm., Od-310 Mm., Hight/Depth-140 Mm. Head Type 25, Curvature Angle-48 Degree Teeth Top Portion Width- 25 Mm. Dimension As Per Drawing/Sample , Tooth Ring Hammer For Tsl Make Crusher 1Set=76 Nos. Model No.- Rg 1228 Material: Manganese Steel (Mn-11.5 -14%) Weight: 24 Kg. Approx. Each Hammer Grade-Iv, Is: 276-1978 Id-182 Mm., Od-282 Mm., Hight/Depth-98 Mm. Top/Bottom Thickness- 60/38) Dimension As Per Drawing/Sample , Ring Hammer For Coal Crusher Specification: - No Of Teeth= 06 Weight Of Each Hammer= 19Kg To 19.5Kg Outer Diameter1= 270Mm Outer Diameter2= 241Mm Internal Diameter= 174Mm Elecon Drg.No. M07195/2 Material:Austenitic Manganese Steel Grade-Iv As Per Is 276-78 Hardness= 229 Bhn Max Note:- Each Set Having 55 Nos. Of Hammers. Dimension As Per Drawing/Sample , Ring Hammer For Coal Crusher For 2X110 Mw Specification: - No Of Teeth=08 Weight Of Each Hammer=19 Kg To 19.5 Kg Outer Diameter 1=245Mm Outer Diameter 2=223Mm Internal Diameter =155Mm Material:Austenitic Manganese Steel Grade-Iv As Per Is 276-78 Hardness= 229 Bhn Max Note:- Each Set Having 55 Nos. Of Hammers. Dimension As Per Drawing/Sample , Toothed Ring Hammer:Material Composition: Manganese Steel Grade-Iv, Composition As Per Is-276/1978, C: 0.7% To 1.3%, Mn: 11.5% To 14%, Si: 1% Maximum, P: 0.9% Maximum, S: 0.096% Maximum, Ni: 3 To 5%Dimension: - Id: 175 Mm. Od (Including Tooth): 265 Mm. Od (Excluding Tooth): 240 Mm. Width Of Tooth: 50Mm. Width Of The Hammer: 100 Mm. No Of Teeth: 08 Nos Equidistance:50Mm Teeth Elevation: 12 Mm Physical Properties: Hardness Of Hammer = 280 Bhn Maximum Finished Weight Of Each Hammer After Casting & Heat Treatment = 20 Kg To 20.5 Kg Tolerance = Is 4897 Class Ii, Material: Austenitic Manganese Steel Grade-Vii (As Per Is276) 1 Set= 76 Nos. Of Hammers (Dimension As Per Drawing/Sample) , Coal Crusher Hammer As Per Drawing Duly Forged Hard Faced By Borc Electrodes 4 Mm Or Equivalent Electrodes For Coal Handling Plant Of C Tps, Htps. Material: En-8 Forged Steel, Ultrasonic Tested Technical Specification: (A) Finished Weight Of Coal Hammer 63 Kg ± 100 Gms. (B) Three Faces Of Hammer To Be Provided 6 Mm Thick Hard Coating With Borc Electrodes. (C) Hardness Of Hard-Faced Surface Should Be 450 Bhn To 500 Bhn.(D) Before Hard Facing Bhn Should Be 200 To 320.Note- Each Set Consist Of 70 Nos. Hammers. (As Per Drawing And Sample) , Toothed Ring Hammer Of Cast Mn Steel Grade- Iii Conforming To Is-276 (Latest Amendments) Unit Weight: 20 Kg (±2%) Dimension (In Mm): - Id: 178 Mm Od (Including Tooth): 265 Mm Od (Excluding Tooth): 240 Mm Width Of Tooth: 50 Mm Width Of The Hammer: 99±1 Mm No Of Teeth: 08 Nos. Equidistance At 50Mm Chemical Composition: - Carbon: 1.05 To 1.35% Manganese: 11.5 To 14%, Silicon: 01% Max. Sulphur: 0.025% Max., Phosphorous: 0.08%, Chromium: 1.5 To 2.5%, Physical Properties: Hardness Of Hammer = 180 – 229 Bhn (Max) Finished Weight Of Each Hammer Each Casting & Heat Treatment = 20 Kg To 20.4 Kg Tolerance = Is 4897 Class Ii (1Set= 76 Nos.) (As Per Drawing And Sample) Note: Addition Of Extra Weight By Welding Or Otherwise With Parent Metals To Maintain Required Hammers Weight Is Not Permissible In Any Case. , Toothed Ring Hammer Of Cast Mn Steel Grade-Iii Conforming To Is-276-1978 (Latest Amendments) Unit Weight: 30 Kg (±01 Kg.) Chemical Composition: - Carbon: 1.05 To 1.35% Manganese: 11.5 To 14%, Silicon: 01% Max. Sulphur: 0.025% Max., Phosphorous: 0.08%, Chromium: 1.5 To 2.5%, Technical Specification:Weight Of Each Hammer: 30Kg (±01 Kg.) Id:230 Mm, Step Dia: 290 Mm, Od: 333Mm (Max.), Width Of The Teeth: 75 Mm, Width Of Hammer: 105 Mm, No. Of Teeth: 08 Nos. Teeth Elevation: Square Type (90 Deg) Physical Properties: Tolerance: Is-4897 Class-Ii Weight Variation: (±01 Kg.) Manganese To Carbon Ratio: 10:1 Hardness: 180 Bhn To 229 Bhn Hammer Should Be Free Foundry Defect. Weight Of Each Hammer Is To Be Written On Each Hammer. Note: Addition Of Extra Weight By Welding Or Otherwise With Parent Metals To Maintain Required Hammers Weight Is Not Permissible In Any Case. (Dimension As Per Drawing/Sample)

Sr No	CorrigendumDate	Corrignedum	CorrigendumType	NewSubmissionDate
1	06-Feb-2024	Drawing of crusher ring hammer	Other	19-02-2024
2	19-Feb-2024	Date extension	Date	27-02-2024
3	23-Feb-2024	Drawing 2	Other	27-02-2024
4	28-Feb-2024	Date extension-2	Date	09-03-2024
5	11-Mar-2024	Date extension-3	Date	18-03-2024
6	15-Mar-2024	Technical Bid Corrigendum	Technical Bid	18-03-2024
7	18-Mar-2024	Date extension-4	Date	26-03-2024
8	26-Mar-2024	Date extension-5	Date	01-04-2024

INR 2360 /-

INR 450000.0 /-

INR 3.95 Crore /-

Supply of different type Ring Hammer for UPRVUNL Thermal Power Plants

Sl. No.	Item Description
1	Toothed Ring Hammer for Secondary Crusher Chemical Composition – Manganese Steel Grade -IV, Composition as per IS: 276/1978 C = 0.7% to 1.3% Mn = 11.5% to 14% Ni = 3% to 5% S = 0.96% max. P = 0.09% max. Si = 1% max. Technical specification – ID = 240 mm, OD = 354 mm max., No. of Teeth = 8 No., Width of Teeth = 60 mm, Width of hammer = 102 mm, Weight = 30Kg (± 0.5 Kg) after casting and heat treatment Hardness = 229 BHN Teeth elevation = 25 mm Tolerance: IS 4897 Class – II Dimension as per drawing/sample
2	Ring Hammer of manganese steel confirming to lS 276/1978 grade- IV having following Composition: Carbon: 0.7 to 1.3% Manganese: 11.5 to 14%, Silicon: 01% Max. Sulphur: 0.06% Max., Phosphorous: 0.09%, Nickel: 03 to 05%, Weight of each hammer: 20 Kg (±0.5 Kg), Width of Hammer should not exceed 100 mm in any Case, Material Hardness: 229 BHN max. (1 set= 76 No.) Other Dimension as per Drawing/Sample.
3	Ring hammer toothed: Size-140x226x330, Material- Cast Mn Steel (IS 276, Gr III), Weight- 39.5Kg, As per Drawing/Sample
4	Crusher Hammer (IS-276/1978) for Russian Crusher for CHD-II, BTPS Material:Manganese steel (Duly heat treated) 1 Set=99 Nos. Finish Weight of each hammer: 61 Kg (±100 gm.), Hardness: 210 to 229 BHN Tolerance as per IS- 4897 Class-II Other Dimension as per Drawing/Sample.
5	Plane Ring Hammer for Elecon make Crusher 1 Set=26 Nos. Material: Manganese Steel (Mn-11.5 -14%) Weight: 45 Kg. Approx. each hammer Grade-IV, IS: 276-1978 ID-210 mm., OD-310 mm., Hight/Depth-140 mm. Dimension as per drawing/sample
6	Tooth Ring Hammer for Elecon make Crusher 1Set=28 Nos. Material: Manganese Steel (Mn-11.5 -14%) Weight: 33 Kg. Approx. each hammer Grade-IV, IS: 276-1978 ID-210 mm., OD-310 mm., Hight/Depth-140 mm. Head TYPE 25, Curvature angle-48 degree Teeth top portion width- 25 mm. Dimension as per drawing/sample
7	Tooth Ring Hammer for TSL make Crusher 1Set=76 Nos. Model No.- RG 1228 Material: Manganese Steel (Mn-11.5 -14%) Weight: 24 Kg. Approx. each hammer Grade-IV, IS: 276-1978 ID-182 mm., OD-282 mm., Hight/Depth-98 mm. Top/Bottom thickness- 60/38) Dimension as per drawing/sample
8	Ring Hammer for coal crusher Specification: - No of teeth= 06 Weight of Each hammer= 19kg to 19.5kg Outer Diameter1= 270mm Outer Diameter2= 241mm Internal Diameter= 174mm Elecon Drg.no. M07195/2 Material:Austenitic Manganese Steel Grade-IV as per IS 276-78 Hardness= 229 BHN max Note:- Each set having 55 nos. of hammers. Dimension as per drawing/sample
9	Ring Hammer for coal crusher for 2x110 MW Specification: - No of teeth=08 Weight of Each hammer=19 kg to 19.5 kg Outer Diameter 1=245mm Outer Diameter 2=223mm Internal Diameter =155mm Material:Austenitic Manganese Steel Grade-IV as per IS 276-78 Hardness= 229 BHN max Note:- Each set having 55 nos. of hammers. Dimension as per drawing/sample
10	Toothed Ring Hammer:Material composition: Manganese steel Grade-IV, Composition as per IS-276/1978, C: 0.7% to 1.3%, Mn: 11.5% to 14%, SI: 1% maximum, P: 0.9% maximum, S: 0.096% maximum, Ni: 3 to 5%Dimension: - ID: 175 mm. OD (including tooth): 265 mm. OD (excluding tooth): 240 mm. Width of tooth: 50mm. Width of the hammer: 100 mm. No of teeth: 08 Nos Equidistance:50mm Teeth elevation: 12 mm Physical properties: Hardness of hammer = 280 BHN Maximum finished weight of each hammer after casting & heat treatment = 20 kg to 20.5 kg Tolerance = IS 4897 Class II, Material: Austenitic Manganese Steel Grade-VII (as per IS276) 1 SET= 76 Nos. of Hammers (Dimension as per drawing/sample)
11	Coal Crusher Hammer as per drawing duly forged hard faced by BORC electrodes 4 mm or equivalent electrodes for Coal handling plant of "C" TPS, HTPS. Material: EN-8 Forged Steel, Ultrasonic Tested Technical Specification: (A) Finished weight of coal hammer 63 Kg ± 100 gms. (B) Three faces of hammer to be provided 6 mm thick hard coating with BORC electrodes. (C) Hardness of hard-faced surface should be 450 BHN to 500 BHN.(D) Before Hard facing BHN should be 200 to 320.Note- Each Set consist of 70 Nos. Hammers. (As per drawing and sample)
12	Toothed Ring Hammer of Cast Mn Steel Grade- III conforming to IS-276 (latest amendments) Unit weight: 20 Kg (±2%) Dimension (in mm): - ID: 178 mm OD (including tooth): 265 mm OD (excluding tooth): 240 mm Width of tooth: 50 mm Width of the hammer: 99±1 mm No of teeth: 08 Nos. Equidistance at 50mm Chemical Composition: - Carbon: 1.05 to 1.35% Manganese: 11.5 to 14%, Silicon: 01% Max. Sulphur: 0.025% Max., Phosphorous: 0.08%, Chromium: 1.5 to 2.5%, Physical properties: Hardness of hammer = 180 – 229 BHN (max) Finished weight of each hammer each casting & heat treatment = 20 kg to 20.4 kg Tolerance = IS 4897 Class II (1set= 76 Nos.) (As per drawing and sample) Note: Addition of extra weight by welding or otherwise with parent metals to maintain required hammers weight is not permissible in any case.
13	Toothed Ring Hammer of Cast Mn Steel Grade-III conforming to IS-276-1978 (latest amendments) Unit weight: 30 Kg (±01 Kg.) Chemical Composition: - Carbon: 1.05 to 1.35% Manganese: 11.5 to 14%, Silicon: 01% Max. Sulphur: 0.025% Max., Phosphorous: 0.08%, Chromium: 1.5 to 2.5%, Technical Specification:Weight of each hammer: 30Kg (±01 Kg.) ID:230 mm, Step Dia: 290 mm, OD: 333mm (Max.), Width of the teeth: 75 mm, Width of Hammer: 105 mm, No. of teeth: 08 Nos. Teeth elevation: Square type (90 deg) Physical Properties: Tolerance: IS-4897 Class-II Weight Variation: (±01 Kg.) Manganese to Carbon ratio: 10:1 Hardness: 180 BHN to 229 BHN Hammer should be free foundry defect. Weight of each hammer is to be written on each hammer. Note: Addition of extra weight by welding or otherwise with parent metals to maintain required hammers weight is not permissible in any case. (Dimension as per drawing/sample)