Tinplate Sheet or Coil/TFS Sheet or Coil

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Product Description

Product Description

Product Size:

ITEM	THICKNESS mm(lb)	WIDTH mm(in)	LENGTH mm(in)	COIL WT M/T(lb)	INSIDE DIA. mm(in)
SHEET	0.15~0.60	680~950	508~1050	___ ___	___ ___
COIL	0.15~0.60	680~950	___ ___	max.11	406(16),419(16.5), 508(20)

Steel Type:

STEEL 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 which require 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		Aim Rockwell hardness ranges (HR-30T)	Example of usage
Single Reduction	T1	49±5	Drawn requirements, nozzles, spouts, closures
	T2	53±5	Applications where moderate drawability and some stiffness are required. Small square and oval cans.
	T2.5	55±5	Items requiring the drawability of T-2 in combination with the stiffness of T-3.
	T3,T3CA	57±5	Can ends and bodies, large diameter closures, crown caps.
	T4CA	61±5	General line cans, crowns and others requiring higher stiffness than T-3.
	T5CA	65±5	Large can ends and bodies where excellent bulking resistance is required.
Double Reduction	DR-8CA	73±5	Small diameter round can bodies and ends.
	DR-9CA	76±5	Larger diameter round can bodies and ends.

Remark:
The suffix CA means continuous-annealing. CA tinplates have superior features due to the greater rigidity, high corrosion resistance and uniformity of mechanical properties and is ideal for speedy can-making.

DR: base metal produced by double cold reduction process--the base metal has received a second major cold reduction following annealing. Consequently, it offers greater rigidity and strength than conventional base metals.

Both CA and DR tinplates have the property of mechanical direction. It is necessary to have the rolling direction of tinplate parallel with the can circle.

TIN COATING WEIGHT DESIGNATION

TYPE OF COATING	DESIGNATION OF COATING WEIGHT		NOMINAL COATING WEIGHT		MINIMUM AVE. COATING WEIGHT
			g/m2	lb/B.B.	g/m2	lb/B.B.
Equally Coated	1.1/1.1	#10	1.1/1.1	0.05/0.05	0.9/0.9	0.04/0.04
	2.8/2.8	#25	2.8/2.8	0.125/0.125	2.45/2.45	0.11/0.11
	5.6/5.6	#50	5.6/5.6	0.25/0.25	5.05/5.05	0.23/0.23
	8.4/8.4	#75	8.4/8.4	0.375/0.375	7.55/7.55	0.35/0.35
	11.2/11.2	#100	11.2/11.2	0.50/0.50	10.1/10.1	0.45/0.45
Differentially Coated	2.8/5.6	#25/50	2.8/5.6	0.125/0.25	2.45/5.05	0.11/0.23
	2.8/8.4	#25/75	2.8/8.4	0.125/0.375	2.45/7.55	0.11/0.35
	2.8/11.2	#25/100	2.8/11.2	0.125/0.50	2.45/10.1	0.11/0.45
	5.6/8.4	#50/75	5.6/8.4	0.25/0.375	5.05/7.55	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	7.55/10.1	0.35/0.45

Remark:
The following designations and markings are used for differentially coated tinplate:
A. A-Marker: Parallel lines on bottom side
B. D-Marker: A line is marked on the top side within 3mm of an edge
For #100 or below #10 coating/side, please inquire.

DIFFERENTIAL MARKINGS

Type	Designation	Differential Markings
		Parallel Lines Heavy Side	Edge line mark Light side
Differentially Coated	2.8/5.6 (#25/50) 2.8/8.4 (#25/75) 2.8/11.2 (#25/100) 5.6/8.4 (#50/75) 5.6/11.2 (#50/100) 8.4/11.2 (#75/100)	1/2 apart 1apart 1,1/2 repeat 1--1/2 repeat 1,1/2--1/2 repeat 1,1/2--1 repeat	A line is marked on the topside within 3mm of an edge

SURFACE FINISH

CODE	CLASSIFICATION	SPECIFIC FEATURES
B	BRIGHT FINISH	Bright finish a luster surface provided by a flow-brightened tin coating on a smooth 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	MATTE FINISH	A dull surface provided by an unmealted coating generally on a dull finished steel base.