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1006

Galvanized Steel Coil for Tab Making

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Number of views:
1006
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Category
Tinplate
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Model:
Tailor-made
Operation:
N/A
Application:
EOE tab coil
Can size:
Various
Speed:
N/A
1
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Technical Parameter
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Galvanized Steel Coil for Tab Making

Steel for tabs

 

A tab for an easy-open end is manufactured and riveted onto the shell end panel by high-speed conversion presses that require consistent metal properties to run efficiently. Subsequently, the tab is seen by consumers as a smart tool to open the can, a tool that is strong enough to maintain its integrity during the opening action: no bending, no tearing and no rivet loosening. So far steel tab can be produced from a metal gauges as thin as 0.26mm:

 

Bending rigidity is achieved. This comes from the shape and the metal yield stress. The most resistant shapes are usually made with sharp radii, which are quite demanding for tab forming if metal elongation is too low. Elongation of about 5% or more allows complex forming without detrimental thinning.

 

The tab horseshoe area withstands severe strain in the shear mode during opening.

 

The tabstock yield stress is sufficiently high to ensure rivet stability.

 

Products with medium yield stress (TH435/460) or high yield stress (TH520/550/620) are the best options for standard tab geometries.

 

A high-performance tab also requires adequate surface coating:

l  Metallic coating: zinc, tin or chromium. Zinc is the preferred option to eliminate the rust risk, especially for demanding filling or retorting.

 

l  Organic coating: clear, gold, mostly alu-pigmented.

Ⅰ. Production process and characteristics

1.    Surface Treatment:

1st: the use of Al-Zn composite coating, the atmospheric corrosion resistant is 2- 6 times than the same coating thickness of hot dip galvanized sheet, so there is no visible rust during the process of sterilization of cooking in high temperature;

2nd: Zinc-coated substrate, after adding the pickling process to make the coating adhesion and anti-down to achieve the best bending strength;

3rd: after coating with the special lacquer, this results in a level I adhesion. The lacquer will not peel off during the punching.

2.    The products have two colors, silver and gold, it looks nice with the outside color

of the EOE. It won’t change the color after high temperature sterilization.

 

Ⅱ. Product types and main technical indicators

1. The thickness of the material: 0.26mm, 0.28mm, 0.30mm, 0.32mm, 0.37mm, 0.38mm, 0.40mm, 0.42mm, etc. Based on a certain quantity, we can customize according to the thickness requirements of the customer.

2. Mechanical property:

Low hardness (HR30Tm): 64~68, tensile strength (MPa): 435~480;

Mid hardness (HR30Tm): 68~72, tensile strength (MPa): 480~550;

High hardness (HR30Tm): 72~76, tensile strength (MPa): 550~620.

3. Zinc coating: We use Al-Zn composite coating, and the weight is about 25-60g/㎡(sum of both sides).

4. Lacquering: We can lacquer it both side aluminum lacquer, the thickness is 5~7g/㎡; also we can lacquer one side aluminum lacquer, another side gold lacquer.

5. The width: We can cut it into any size according to customer’s order, the tolerance is ± 0.05mm.

 

Ⅲ. Packaging: Our material was wrapped with plastic film, then covered by water-proof paper, desiccant and iron sheet on the pallet. The weight of each pallet is about 1.2~2.8 tons. The internal diameter of the coil is 508mm, the external diameter of the coil is 800~1300mm.

（ASTM) Hardness Conversion Numbers
Rockwell B Hardness
Number		 Tensile Strength
Number		 Vickers Hardness
Number		 Rockwell Superficial Hardness
Number
(HRB) （Mpa) (HV) 30-T Scale
(HR 30-T)		 15-T Scale
(HR 15-T)
100 800 240 83.1 93.1
99 785 234 82.5 92.8
98 750 228 81.8 92.5
97 715 222 81.1 92.1
96 705 216 80.4 91.8
95 690 210 79.8 91.5
94 675 205 79.1 91.2
93 650 200 78.4 90.8
92 635 195 77.8 90.5
91 620 190 77.1 90.2
90 615 185 76.4 89.9
89 605 180 75.8 89.5
88 590 176 75.1 89.2
87 580 172 74.4 88.9
86 570 169 73.8 88.6
85 565 165 73.1 88.2
84 560 162 72.4 87.9
83 550 159 71.8 87.6
82 530 156 71.1 87.3
81 505 153 70.4 86.9
80 495 150 69.7 86.6
79 485 147 69.1 86.3
78 475 144 68.4 86.0
77 470 141 67.7 85.6
76 460 139 67.1 85.3
75 455 137 66.4 85.0
74 450 135 65.7 84.7
73 440 132 65.1 84.3
72 435 130 64.4 84.0
71 425 127 63.7 83.7
70 420 125 63.1 83.4
69 415 123 62.4 83.0
68 405 121 61.7 82.7
67 400 119 61.0 82.4
66 395 117 60.4 82.1
65 385 116 59.7 81.8
64 --- 114 59.0 81.4
63 --- 112 58.4 81.1
62 --- 110 57.7 80.8
61 --- 108 57.0 80.5
60 --- 107 56.4 80.1
59 --- 106 55.7 79.8
58 --- 104 55.0 79.5
57 --- 103 54.4 79.2
56 --- 101 53.7 78.8
55 --- 100 53.0 78.5
54 --- --- 52.4 78.2
53 --- --- 51.7 77.9
52 --- --- 51.0 77.5
51 --- --- 50.3 77.2
50 --- --- 49.7 76.9

Tailor-made Dependent

Keyword:
galvanized steel coil for tab
tab steel coil
tab galvanized steel coil
tab material
tab coil
eoe tab coil
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Steel for tabs

 

A tab for an easy-open end is manufactured and riveted onto the shell end panel by high-speed conversion presses that require consistent metal properties to run efficiently. Subsequently, the tab is seen by consumers as a smart tool to open the can, a tool that is strong enough to maintain its integrity during the opening action: no bending, no tearing and no rivet loosening. So far steel tab can be produced from a metal gauges as thin as 0.26mm:

 

Bending rigidity is achieved. This comes from the shape and the metal yield stress. The most resistant shapes are usually made with sharp radii, which are quite demanding for tab forming if metal elongation is too low. Elongation of about 5% or more allows complex forming without detrimental thinning.

 

The tab horseshoe area withstands severe strain in the shear mode during opening.

 

The tabstock yield stress is sufficiently high to ensure rivet stability.

 

Products with medium yield stress (TH435/460) or high yield stress (TH520/550/620) are the best options for standard tab geometries.

 

A high-performance tab also requires adequate surface coating:

l  Metallic coating: zinc, tin or chromium. Zinc is the preferred option to eliminate the rust risk, especially for demanding filling or retorting.

 

l  Organic coating: clear, gold, mostly alu-pigmented.

Tailor-made Dependent

Ⅰ. Production process and characteristics

1.    Surface Treatment:

1st: the use of Al-Zn composite coating, the atmospheric corrosion resistant is 2- 6 times than the same coating thickness of hot dip galvanized sheet, so there is no visible rust during the process of sterilization of cooking in high temperature;

2nd: Zinc-coated substrate, after adding the pickling process to make the coating adhesion and anti-down to achieve the best bending strength;

3rd: after coating with the special lacquer, this results in a level I adhesion. The lacquer will not peel off during the punching.

2.    The products have two colors, silver and gold, it looks nice with the outside color

of the EOE. It won’t change the color after high temperature sterilization.

 

Ⅱ. Product types and main technical indicators

1. The thickness of the material: 0.26mm, 0.28mm, 0.30mm, 0.32mm, 0.37mm, 0.38mm, 0.40mm, 0.42mm, etc. Based on a certain quantity, we can customize according to the thickness requirements of the customer.

2. Mechanical property:

Low hardness (HR30Tm): 64~68, tensile strength (MPa): 435~480;

Mid hardness (HR30Tm): 68~72, tensile strength (MPa): 480~550;

High hardness (HR30Tm): 72~76, tensile strength (MPa): 550~620.

3. Zinc coating: We use Al-Zn composite coating, and the weight is about 25-60g/㎡(sum of both sides).

4. Lacquering: We can lacquer it both side aluminum lacquer, the thickness is 5~7g/㎡; also we can lacquer one side aluminum lacquer, another side gold lacquer.

5. The width: We can cut it into any size according to customer’s order, the tolerance is ± 0.05mm.

 

Ⅲ. Packaging: Our material was wrapped with plastic film, then covered by water-proof paper, desiccant and iron sheet on the pallet. The weight of each pallet is about 1.2~2.8 tons. The internal diameter of the coil is 508mm, the external diameter of the coil is 800~1300mm.

（ASTM) Hardness Conversion Numbers
Rockwell B Hardness
Number		 Tensile Strength
Number		 Vickers Hardness
Number		 Rockwell Superficial Hardness
Number
(HRB) （Mpa) (HV) 30-T Scale
(HR 30-T)		 15-T Scale
(HR 15-T)
100 800 240 83.1 93.1
99 785 234 82.5 92.8
98 750 228 81.8 92.5
97 715 222 81.1 92.1
96 705 216 80.4 91.8
95 690 210 79.8 91.5
94 675 205 79.1 91.2
93 650 200 78.4 90.8
92 635 195 77.8 90.5
91 620 190 77.1 90.2
90 615 185 76.4 89.9
89 605 180 75.8 89.5
88 590 176 75.1 89.2
87 580 172 74.4 88.9
86 570 169 73.8 88.6
85 565 165 73.1 88.2
84 560 162 72.4 87.9
83 550 159 71.8 87.6
82 530 156 71.1 87.3
81 505 153 70.4 86.9
80 495 150 69.7 86.6
79 485 147 69.1 86.3
78 475 144 68.4 86.0
77 470 141 67.7 85.6
76 460 139 67.1 85.3
75 455 137 66.4 85.0
74 450 135 65.7 84.7
73 440 132 65.1 84.3
72 435 130 64.4 84.0
71 425 127 63.7 83.7
70 420 125 63.1 83.4
69 415 123 62.4 83.0
68 405 121 61.7 82.7
67 400 119 61.0 82.4
66 395 117 60.4 82.1
65 385 116 59.7 81.8
64 --- 114 59.0 81.4
63 --- 112 58.4 81.1
62 --- 110 57.7 80.8
61 --- 108 57.0 80.5
60 --- 107 56.4 80.1
59 --- 106 55.7 79.8
58 --- 104 55.0 79.5
57 --- 103 54.4 79.2
56 --- 101 53.7 78.8
55 --- 100 53.0 78.5
54 --- --- 52.4 78.2
53 --- --- 51.7 77.9
52 --- --- 51.0 77.5
51 --- --- 50.3 77.2
50 --- --- 49.7 76.9

 

（ASTM) Hardness Conversion Numbers
Rockwell B Hardness
Number		 Tensile Strength
Number		 Vickers Hardness
Number		 Rockwell Superficial Hardness
Number
(HRB) （Mpa) (HV) 30-T Scale
(HR 30-T)		 15-T Scale
(HR 15-T)
100 800 240 83.1 93.1
99 785 234 82.5 92.8
98 750 228 81.8 92.5
97 715 222 81.1 92.1
96 705 216 80.4 91.8
95 690 210 79.8 91.5
94 675 205 79.1 91.2
93 650 200 78.4 90.8
92 635 195 77.8 90.5
91 620 190 77.1 90.2
90 615 185 76.4 89.9
89 605 180 75.8 89.5
88 590 176 75.1 89.2
87 580 172 74.4 88.9
86 570 169 73.8 88.6
85 565 165 73.1 88.2
84 560 162 72.4 87.9
83 550 159 71.8 87.6
82 530 156 71.1 87.3
81 505 153 70.4 86.9
80 495 150 69.7 86.6
79 485 147 69.1 86.3
78 475 144 68.4 86.0
77 470 141 67.7 85.6
76 460 139 67.1 85.3
75 455 137 66.4 85.0
74 450 135 65.7 84.7
73 440 132 65.1 84.3
72 435 130 64.4 84.0
71 425 127 63.7 83.7
70 420 125 63.1 83.4
69 415 123 62.4 83.0
68 405 121 61.7 82.7
67 400 119 61.0 82.4
66 395 117 60.4 82.1
65 385 116 59.7 81.8
64 --- 114 59.0 81.4
63 --- 112 58.4 81.1
62 --- 110 57.7 80.8
61 --- 108 57.0 80.5
60 --- 107 56.4 80.1
59 --- 106 55.7 79.8
58 --- 104 55.0 79.5
57 --- 103 54.4 79.2
56 --- 101 53.7 78.8
55 --- 100 53.0 78.5
54 --- --- 52.4 78.2
53 --- --- 51.7 77.9
52 --- --- 51.0 77.5
51 --- --- 50.3 77.2
50 --- --- 49.7 76.9

Steel for tabs

 

A tab for an easy-open end is manufactured and riveted onto the shell end panel by high-speed conversion presses that require consistent metal properties to run efficiently. Subsequently, the tab is seen by consumers as a smart tool to open the can, a tool that is strong enough to maintain its integrity during the opening action: no bending, no tearing and no rivet loosening. So far steel tab can be produced from a metal gauges as thin as 0.26mm:

 

Bending rigidity is achieved. This comes from the shape and the metal yield stress. The most resistant shapes are usually made with sharp radii, which are quite demanding for tab forming if metal elongation is too low. Elongation of about 5% or more allows complex forming without detrimental thinning.

 

The tab horseshoe area withstands severe strain in the shear mode during opening.

 

The tabstock yield stress is sufficiently high to ensure rivet stability.

 

Products with medium yield stress (TH435/460) or high yield stress (TH520/550/620) are the best options for standard tab geometries.

 

A high-performance tab also requires adequate surface coating:

l  Metallic coating: zinc, tin or chromium. Zinc is the preferred option to eliminate the rust risk, especially for demanding filling or retorting.

 

l  Organic coating: clear, gold, mostly alu-pigmented.

Tailor-made Dependent

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Taishan Fortune Industry & Trade Co., Ltd.
Jiujiang Elevating Industry & Trade Co., Ltd

 

Address:

Lot 3/3 No.1 Five Road, Chang Long Industry Zone, Si Jiu Town, Taishan City, 529200 Guangdong Province, China

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