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Assab senior long-lived plastic die steel

- - - - - - high corrosion resistance, high polish, high wear resistance

 

Chemical composition

C
0.38

Si
0.9

Mn
0.5

Cr
13.6


0.3

 

Assab 1-100 S136 characteristics:

STAVAX ESR ( S-136 ) is a senior stainless tool steel, which has the following characteristics:

1 excellent corrosion resistance

2 excellent polishing

3 excellent wear resistance

4 excellent machining property

5 quenching with excellent stability

Integrated the above advantages, so that the steel has excellent production characteristics. Due to its excellent corrosion resistance, in the plastic mold of the benefits of using are summarized as follows:

The 1 lower repair costs

Die after long use, die cavity surface still maintain the original smooth state.

Mold in the humid environment operation or storage, do not need special protection.

2 lower production cost

Due to the mold cooling channel is not affected by corrosion effects ( not as common steel mold ), thermal conductivity, cooling efficiency in the mold life period have remained stable, a mold to ensure constant forming time.

The benefits of combining STAVAX ESR ( S-136 ) high wear resistance, low cost and high service life of mould repair, to achieve the best economic benefit.

At the same time, the STAVA X ESR ( S-136 ) after" electro slag remelting process ( ESR )" refined, with pure and fine organization.

Assab S136 use assab:

STAVAX ESR ( S-136 ) is recommended for all die, because of its special nature, is more suitable for the special environmental requirements.

1 corrosion, corrosion

On the use of corrosive PVC, acetate and other injection molding raw materials or must be in the humid environment and storage of mold.

2 wear resistance

In the use of wear large injection molding material ( including thermoset injection molding ) or mold having longer working hours, such as electronic components, disposable meal knives, utensils and other.

3 high smoothness of the surface

Production of optical products, such as a camera, sun glasses, chemical equipment and plastic products.

Types of mold

Recommended hardness HRC

Thermoplastic and thermosetting plastic

45-52

Reciprocating compression die

50-52

PVC, PET and so on the blow mold

45-52

Extrusion, drawing die

45-52

Assab 1-100 S136 physical properties:

As said, steel quenching, tempering to 50HRC at room temperature and high temperature data.

Temperature

20

200

400

Density

Kg/m3

7800

7750

7700

Modulus of elasticity

N/mm2

200,000

19,000

180,000

Coefficient of thermal expansion

20/

-

11.2x10-6

10.6x10-6

Heat conduction coefficient

W/m

16

20

24

Specific heat

J/kg

460

-

-


* based on the heat conduction coefficient measuring experiment is very difficult, numerical maximum deviation is about + 15%.

Room temperature tensile strength of resistance

Tensile strength for the approximation, for reference only. All specimens were taken from the diameter of 25 mm ( 1" ) [ take ] round bar rolling direction by 1025 + / - 10 DEG C. Oil quenching and tempering two hardness value display.


Hardness HRC

50HRC

45HRC

Tensile strength Rm
M/mm2

1780

1420

Yield strength Rp0.2
N/mm2

1460

1280

High corrosion resistance

STAVAX ESR ( S-136 ) can resist water, water vapor, weak organic acid, diluted nitrate, carbonate etc.. By STAVAX ESR ( S-136 ) made of mold.

If in a humid environment, or in a normal state of the use of corrosive plastic material, will not rust or contaminated.

STAVAX ESR ( S-136 ) in low temperature tempering and polished to mirror the state at the time, especially can exhibit excellent corrosion resistance.

 
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