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Steel used in Metal packing industry

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,
tank cover and tank bottom. The tank body has joints, which
can be divided into tin welding tank, seam welding
tank and bonding tank according to the joint process.

Food, beverage, medicine and other packaging

Two piece can

The utility model is composed of a tank bottom connected with
the tank body and a tank cover, and the tank body has no joints;
According to the processing technology, it is divided into drawing tank
(DRD tank for short) and thinning drawing tank (DWI tank or di tank
for short). DRD tank can also be divided into primary
shallow drawing tank and multiple deep drawing tank according to
the proportion of tank height and section diameter.

Carbonated beverage, tuna food, etc

Food cans

It is generally used to make cans. It is a completely sealed can.
The purpose of complete sealing is to heat and sterilize after filling
the contents. Almost all the materials used in food cans in China
are tinned steel plate, but Wuxi steel plate and aluminum sheet have
also been used in recent years, and the demand has an increasing trend.
Food cans are mostly in the form of three piece cans. Some are shallow
stretch two-piece cans.

Packaging of milk powder, seafood, fruit and other foods

Universal tank

It refers to metal cans for packaging snacks, laver, tea and other foods,
excluding cans, and metal cans for packaging drugs and cosmetics.
These cans can also be sealed, but do not need sterilization.
The outer surface of general-purpose cans is usually exquisitely
printed, so it is also called "art cans".

Packaging of biscuits, food, coatings, cosmetics, etc

The spray tank

It is a pressure tank, which was first used in the fields of medical
treatment and crop pest control. Recently, the demand for
cosmetics, detergents, pesticides and paints is increasing,
and there is also a certain market in food.

Pesticide, cream food and other packaging

18kgs Can

It is a large tank packaged such as oil tank and edible
oil tank. It is commonly known in Japan as "one bucket
tank" (Japan's "one bucket" is equal to 18 liters).

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)

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