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Electrolytic Tinplate

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Blackplate

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Description

Electrolytic Tin plates is a Tin Mill Black plate product which has been coated with tin by electrolytic deposition. It is furnished in a variety of tin coating. . Electrolytic Chromium Coated Steel or Tin Free Steel is a Tin Mill Black Plate product which has been coated with metallic chrome oxide by electrolytic deposition. ECCS/TFS is only available with one standard coating which is equal on both sides.

Standard

Electrolytic Tinplates - JIS G 3303 / ASTM A624, A626 .Tin Free Steel - JIS G 3315/ASTM A657 .

For other specification, please inquire.

Dimension

Item	Thickness	Width	Length	Weight	Insidde Dia
	mm	mm (in)	mm (in)	Mt(lb)	mm (in)
Sheet	0.15-0.60	700-960	508-1050
	(54-215)	(27.6-37.8)	(20.0-41.3)

Coil	0.15-0.60	700-960		5 - 10	406-508
	54-215	(27.6 -37.8)		11000-22000	(16/20)

Steel Type	Type Characteristics
MR	It contains few residual minor constituents and has a good corrosion resistance so that it is widely used for such application as containers
L	It contains particularly few residual minor constituents such as Cu, Ni, Cr, Mo, so that it is suitable for the material of containers required improved corrosion resistance
D	It is aluminum killed steel, so that it is suitable for the application which bear deep drawing or other working that is liable to produce Luder's lines.

Temper Designation

Designation	Rockwell Hardness Aim HR-30T	Example Of Usage
Single Reduced	T1BA	Drawn requirement,nozzles,spouts,closures applications where moderate draw ability and some stiffness are required.Items requiring the draw ability of T2 in Combination with the stiffness of T3 Can ends & bodies, large diameter closures Crown caps genera line cans,crowns & other requiring Higher stiffness than T3. large can ends & bodies where excellent Bucking resistance is required.
	T2BA
	T 2.5BA
	T3BA
	T4CA
	T5CA
Double Reduced	DR-8	small diameter round can bodies & ends.
	DR -9	large diameter round can bodies & ends
	DR - 9M	beer & carbonated beverage ends
	DR - 10	beer & carbonated beverage ends

Notice:1.The suffix CA means continuous-Annealing. The CA tinplate has superior features due to the greater rigidity high corrosion resistance and uniformity of mechanical properties and is ideal for speedy can making. 2. DR.base metal produced by the double cold reduction process- the base metal has received a second major cold reduction following annealing. Consequently, it offers greater rigidity & strength than conventional base metal. 3. Both CA & DR tinplate have the property of mechanical direction. It necessary to have the rolling direction of tinplate parallel with the can circle. 6.Tin Coating Weight: Tinplate is produced either equally-coated or differentially-coated. Tin coating mass is measured in grams of tin per square meter of steel surface area (g/m 2).The common designations are listed below together with their nominal tin coating mass specifications. Avialibility of other tin is subject to enquiry

Tin Coating Weight

Tinplate is produced either equally-coated or differentially-coated. Tin coating mass is measured in grams of tin per square meter of steel surface area (g/m 2).The common designations are listed below together with their nominal tin coating mass specifications. Availability of other tin is subject to enquiry.

Type of Coating	Designation of coating Weight		Normal Coating Weight		Minimum Average Coating Weight
	JIS	ASTM	g/m 2	lbs/BB	g/m 2	lbs/BB
	1.1/1.1	10	2.2	0.1	1.8	0.8
	2.8/2.8	25	5.6	0.25	4.9	0.22
Equally Coated	5.6/5.6	50	11.2	0.50	10.5	0.47
	8.4/8.4	75	16.8	0.75	15.7	0.70
	11.2/11.2	100	22.4	1.00	20.2	0.90
Differentially	2.8/5.6	25/50	2.8/5.6	0.125/0.25	2.25/5.05	0.11/0.23
	2.8/8.4	25/75	2.8/8.4	0.125/0.375	2.25/7.85	0.11/0.35
	2.8/11.2	25/100	2.8/11.2	0.125/0.50	2.25/10.1	0.11/0.45
	5.6/8.4	50/75	5.6/8.4	0.25/0.375	5.052/7.85	0.23/0.35
	5.6/11.2	50/100	5.6/11.2	0.25/0.50	5.05/10.1	0.23/0.45
	8.4/11.2	75/100	8.4/11.2	0..375/0.50	7.85/10.1	0.35/0.45

Notice : 1.The coating weight denotes the amount of tin coated on one surface per square meter. 2.The following designations and markings are used for differentially coated tinplate. A) A-Market : parallel lines on bottom side. B) D-Market : A line is marked on the top side within 3mm of an edge. 3. For #100 or below coating /side, please inquire

Surface Apperance & Finish

Code	Classification	Specific features
B	BRIGHT FINISH	A Luster surface provided by a flow-brightened tin Coating on a smoothly grindstone finished steel base
R	STONE FINISH	A Luster surface provided by a flow-brightened tin Coating on a steel base characterized by a directional Grindstone pattern
S	SILVER FINISH	A Luster surface provided by a flow-brightened tin Coating on a coarse dull finished steel base
M	MATTEE FINISH	A dull surface provided by a unmelted coating generally On dull finished steel base.

Packaging

The tinplate in cut lengths are usually shipped in lots containing 1500 sheets secured to skids. The number of sheets per package may be modified when required.