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1.2316 / 3Cr17Mo Plastic Mold Tool Steel Plates / Bars / Sheet / Forgings

Compartilhar:

Hardenable steel, resistant to oxidation and corrosion.

The high chromium content combined with low carbon provides a good resistance to corrosion, subject to surface being perfectly polished after heat treatment.


Detalhes do produto

Specification

Round bar

Diameter(mm)

Length(mm)

-

Forged round barφ50~450

2000~6000

-

 Rolled round barφ10~80

 2000~6000

-

Flat bar

Thickness(mm)

Width(mm)

Length(mm)

Forged plate20~300

50~710

2000~6000

Rolled plate10~65

155~610

2000~6000

 

Chemical composition %  

Standard

Steel Grade

C

Si

Mn

P

S

Cr

Mo

other

DIN

1.2316

0.33-0.43

≤1.00

≤1.00

0.030

0.030

15.0-17.0

1.00-1.30

Ni≤1.00

ASTM

3Cr17Mo

-

-

-

-

-

-

-

-

GB

-

-

-

-

-

-

-

-

-











 

Trade of steel and characteristics:

Hardenable steel, resistant to oxidation and corrosion.

The high chromium content combined with low carbon provides a good resistance to corrosion, subject to surface being perfectly polished after heat treatment.

 

Applications:

Moulds for corrosive thermoplastic material.  Chromizing is not necessary.

These two grades allow very high polish.

They are generally supplied pretreated to 800-1100 N/mm2 according to request.

 

Heat treatment(if necessary):

Heat treatment:

Annealing: Temperature: 780-800℃

         Holding time: 4-6H; Slow surface cooling

Hardness after annealing: max.250HB

Stress relieving: Temperature: appr.650℃

             Holding time: 1-2H; Slow surface cooling

Hardening: Temperature:1020-1050℃

          Quenching: oil or polymer(interrupt at appr.120-150℃).

Hardness obtainable: appr.52HRC

Tempering: According to diagram, to values between 800 and 1100 N/mm2.

Nitriding: Possible with appropriate tempering;

        However, this treatment reduces resistance to corrosion.


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