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| Warranty: | 10-30 Years |
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Tinplate (ETP), also known as tin-plated iron, is an iron sheet plated with tin on both sides, that is a cold-rolled low-carbon thin steel plate, which is rust-proof, corrosion-resistant and non-toxic. Mainly used to make metal packaging,including canned food, beverages, chemicals, medicine, hygiene, coatings,paints, sprays,cosmetic bottle caps, etc.
| Shape | Coil, Sheet |
| Coil ID | 420mm or 508mm |
| Coil Weight | 3-8MT or 6-12MT |
| Bundle Weight | 2MT Max |
| Surface | Bright, Stone, Fine Stone, Sliver, Matt |
| Post treatment | Passivation, Dos Oil |
| Processing service | Cut to sheet, scroll cut, lacquer and print service |
| Application | A. Food Cans (Beverage Cans, Milk Cans, Fruit Cans, Tomato Cans, Edible oil etc. ) B. Industrial Cans (Paint Cans, Chemical Cans, Lube containers) C. General Line Packaging (Aerosol Can, Gift Cans, Cookies Cans, Stationery Box etc.) |
| MOQ | 25MT per size |
| Delivery Tolerance | +/-10% |
| Packing | Standard seaworthy export packing (horizontal or vertical) |
| Thickness | 0.14 - 0.50mm |
| Width | 600 - 1050mm |
| Length | As per customer requirement |
| Steel Type | MR, SPCC |
| Annealing | BA (Batch Annealed), CA (Continuously Annealed) |
| Standard | EN10202, JIS G3303, ASTM A623/ A624/ A625/ A626 |
| Temper | T1, T2, T2.5, T3, T3.5, T4, T5, DR7, DR8, DR8M, DR9, DR9M, DR10 |
| Coating for ETP | Euqally coated (1.1/1.1, 2.0/2.0/ 2.8/2.8/ 5.6/5.6, 8.4/8.4, 11.2/ 11.2) Differetially coated (2.0/1.1, 2.8/1.1, 5.6/1.1, 5.6/2.8, 8.4/2.8, 8.4/5.6, 11.2/2.8, 11.2/5.6, 11.2/8.4, 15.1/5.6) |
| Coating for TFS | Metal Chromium Layer: 50-150mg/m2, Chromium Oxide Layer: 5-35 mg/m2 |
Type of Steel
| MR | It contains few residual minor constituents and has good corrosion resistance. It is widely used for the applications of containers. |
| L | It contains particularly few residual minor constituents as Cu, Ni, Cr, Mn. It is suitable for the materials of containers requiring improved corrosion resistance. |
| D | It is an aluminum killed steel. It is suitable for the applications, that bear deep drawing or other workings which may produce Luder's lines patterns. |
Surface finish
| Product finish | Steel base | Product | Flow-melted | Surface roughness |
| Ra (μm) | ||||
| Bright | smooth | Tinplate | Yes | ≤ 0.35 |
| Fine stone | fine stone | Tinplate | Yes | 0.25 - 0.45 |
| Stone | stone | Tinplate | Yes | 0.35 - 0.60 |
| Silver | shot blast | Tinplate | Yes | ≥ 0.90 |
| Matt | shot blast | Tinplate | No | Various |
| Fine stone | fine stone | TFS/ ECCS | - | 0.25 - 0.45 |
| Stone | stone | TFS/ ECCS | - | 0.35 - 0.60 |
Coating Weight
1) Tinplate (ETP)
| Item | Former Coating | Coating Weight | Nominal Coating Weight | Minimum average |
| Designation | Code | (g/m2) | (g/m2) | |
| Equally Coated | 10# | 1.1/ 1.1 | 1.1/ 1.1 | 0.9/ 0.9 |
| 20# | 2.2/ 2.2 | 2.2/ 2.2 | 1.8/ 1.8 | |
| 25# | 2.8/ 2.8 | 2.8/ 2.8 | 2.5/ 2.5 | |
| 50# | 5.6/ 5.6 | 5.6/ 5.6 | 5.2/ 5.2 | |
| 75# | 8.4/ 8.4 | 8.4/ 8.4 | 7.8/ 7.8 | |
| 100# | 11.2/ 11.2 | 11.2/ 11.2 | 10.1/ 10.1 | |
| Differentially Coated | 25#/ 10# | 2.8/ 1.1 | 2.8/ 1.1 | 2.5/ 0.9 |
| 50#/ 10# | 5.6/ 1.1 | 5.6/ 1.1 | 5.2/ 0.9 | |
| 50#/ 25# | 5.6/ 2.8 | 5.6/ 2.8 | 5.2/ 2.5 | |
| 75#/ 25# | 8.4/ 2.8 | 8.4/ 2.8 | 7.8/ 2.5 | |
| 75#/ 50# | 8.4/ 5.6 | 8.4/ 5.6 | 7.8/ 5.2 | |
| 100#/ 25# | 11.2/ 2.8 | 11.2/ 2.8 | 10.1/ 2.5 | |
| 100#/ 50# | 11.2/ 5.6 | 11.2/ 5.6 | 10.1/ 5.2 | |
| 100#/ 75# | 11.2/ 8.4 | 11.2/ 8.4 | 10.1/ 7.8 | |
| 125#/ 50# | 15.1/ 5.6 | 15.1/ 5.6 | 13.9/ 5.2 |
Differential Marking
a) Edge Marking : Low Coating Side with interrupted lines.
b) Line Marking : Heavy Coating Side with continuous lines.
c) Tin coating weight can be flexibly adjusted according to customer's requirement.
*K-Tinplate's Resistance to Corrosion
| Pickling Lag Value | Iron Solution Value | Tin Crystallite Size | Alloy-Tin Couple | |
| ≤ 10 Sec | ≤ 20µg/3in2 | ≤ 9# | ≤ 0.12µA/3in | |
2) TFS (ECCS)
| Item | Average Coating Weight (mg/m2) | |||
| Metal Chromium Layer (Metal Cr) | 50 - 150 | |||
| Chromium Oxide Layer (Cr - Oxide) | 5 - 35 | |||
Note: Total chromium is the sum of metallic chromium and chromium content of the oxides and hydroxides.
Passivation
| Item | Chromium weight - Min | Chromium weight - Max | ||
| (mg/m2) - Each Side | (mg/m2) - Each Side | |||
| Code 311 | 3.5 | 9.0 | ||
| Code 300 | 1.0 | 3.0 | ||
Notes: 1) Passivation applys to Tinplate only, TFS no need passivation.
2) Code 311 is the most widely used passivation.
3) Code 300 is a simple chemical dip treatment.
Oiling
| Item | Oil Weight | Aim Oil Weight | ||
| (mg/m2) - Each Side | (mg/m2) - Each Side | |||
| Slightly | 1.0 - 3.5 | 2.5 | ||
| Normal | 3.0 - 6.0 | 4.5 | ||
| Medium | 6.0 - 9.0 | 7.5 | ||
| Light Heavy | 7.0 - 11.0 | 8.5 | ||
| Heavy | 10.0 Min | 9.5 | ||
Remarks: Tinplate and TFS are electro statically oiled with DOS (Di-Octyl-Sebacate).
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Appearance
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Even when the same surface finish as ETP is applied to the substrate steel sheet, it provides the unique surface luster characteristic of metalic chromium.
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Corrosion Resistance
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As it has excellent corrosion resistance after paining, it is generally used with both surfaces painted, it can also be used with the internal surface unpainted, depending on the contents.
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Solderability
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TFS is not compatiblr with solidering
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Weldability
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Although TFS can be welded when the metalic coating layer are removed, its weldablity is inferior to ETP.
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Coating Weights
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Unlike the multiplicity of coating weights with tin, only one standardized chromium-coated product is manufactured.
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Typical Application
| Remark | Temper Grade | Typical Application | |||
| JIS G3303 | ASTM A623M ASTM A624M ASTM A625M ASTM A626M ASTM A650M |
EN10202 | |||
| Single Reduced (SR) |
T-1 | T49 | TS230 | Drawn and ironed cans, nozzles, spouts, closures, mounting cup, oil filter. | |
| T-2 | T53 | TS245 | Ring and plugs, dome tops, closures, shallow drawn parts. Drawing can, body, end for large can. |
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| T-2.5 | T54 | TS260 | Battery shells, small can ends and bodies | ||
| T-3 | T57 | TS275 | Top and bottom of cans, can ends and bodies, large diameter closures, crown caps. | ||
| T-3.5 | T59 | TS290 | General use, pail, 18L, 4L | ||
| T-4 | T61 | TH415 | Can bodies and ends, crown caps, closures. Body and end for small can. |
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| T-5 | T65 | TH435 | Can ends and bodies requiring intensity. Body and end for small can. |
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| Double Reduced (DR) |
DR-7M | T71 | TH520 | DRD bodies, dome, Lug cap & 3 piece bodies | |
| DR-8 | T72 | TH550 | DRD bodies, end, Lug cap & 3 piece bodies | ||
| DR-8M | T73 | TH580 | |||
| DR-9 | T75 | TH620 | DRD bodies, Lug cap & 3 piece bodies Thinner guage body, end, DRD cans, caps. |
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| DR-9M | T76 | - | |||
| DR-10 | - | - | DRD bodies, Lug cap & 3 piece bodies Thinner guage body, end, DRD cans, caps. |
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Note: Making cans with DR materials, please pay a special attention to the rolling direction.
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