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The steel used in Metal packing industry is mainly Electroplated tin or Electroplated chromium steel.
Tinplate, commonly known as tinplate (SPTE), is a kind of cold-rolled steel plate coated with a thin layer of tin. It has certain strength and hardness, good formability and easy welding. The tin layer is non-toxic and tasteless, and its surface is bright. Tin mainly plays a role in preventing corrosion and rust. According to the production process, it is divided into hot-dip tinplate and electro tinplate. Tinplate is commonly used to make cans or beverage cans.
Standard |
JIS G3303-2002 |
ASTM A623M-2002 |
DIN EN 10203-1991 |
ISO 11949-1995 |
Grade |
T-1 |
T-1(T49) |
T50 |
TH50+SE |
T-2 |
T-2(T53) |
T52 |
TH52+SE |
|
T-2.5 |
- |
- |
TH55+SE |
|
T-3 |
T-3(T57) |
T57 |
TH57+SE |
|
- |
- |
- |
- |
|
T-4 |
T-4(T61) |
T61 |
TH61+SE |
|
T-5 |
T-5(T65) |
T65 |
TH65+SE |
The Common packaging cans in life and work
Type |
Tank type characteristics |
Application |
Three piece can |
Also known as joint tank and open tank, it is composed of tank body, |
Food, beverage, medicine and other packaging |
Two piece can |
The utility model is composed of a tank bottom connected with |
Carbonated beverage, tuna food, etc |
Food cans |
It is generally used to make cans. It is a completely sealed can. |
Packaging of milk powder, seafood, fruit and other foods |
Universal tank |
It refers to metal cans for packaging snacks, laver, tea and other foods, |
Packaging of biscuits, food, coatings, cosmetics, etc |
The spray tank |
It is a pressure tank, which was first used in the fields of medical |
Pesticide, cream food and other packaging |
18kgs Can |
It is a large tank packaged such as oil tank and edible |
Packaging of industrial or edible oils, coatings, etc |
The following figure shows the performance comparison between tinned steel and chrome plated steel. Users can scientifically select appropriate products according to their needs.
|
Electroplated tin steel/ETP |
Electroplated chromium steel / TFS |
||
2.8 |
Over5.6 |
|||
Bare Corrosion Resistance (sealed) |
Rust Resistance |
○ |
◎ |
○ |
Acid Resistance |
○ |
○ |
△ |
|
Alkali Resistance |
△ |
△ |
◎ |
|
Black Sulfide Stain Resistance |
△ |
△ |
◎ |
|
Stress Cracking Resistance |
◎ |
◎ |
○ |
|
Paintability |
○ |
○ |
◎ |
|
Corrosion Resistance after Painting(2) |
◎ |
◎ |
○ |
|
Filiform Corrosion Resistance |
◎ |
◎ |
◎ |
|
Paint Adhesion |
○ |
○ |
◎ |
|
Formabity |
◎ |
◎ |
○ |
|
Solderability |
○ |
◎ |
☓ |
|
Weldability |
○ |
○ |
△ (3) |
|
Heat Resistance(4) |
○ |
○ |
◎ |