International Mold Steel

Toolox 33

TOOLOX 33 is a quenched and tempered tool steel designed to have low residual stresses and extremely good machinability.

Overview

TOOLOX 33 is a quenched and tempered tool steel designed to have low residual stresses and extremely good machinability.

 

Applications include:

Plastic Molds

Rubber molds

Bending tools

Machine components

Unique Characteristics

  • Especially suited for plastic molds and rubber molds, having excellent polishing and photoetching ability.
  • Supplied in plate thickness 1/2” – 5 1/8”.
  • Hardness 30-35 HRC.

Hardness

(Guaranteed values)

HBW
  280-330 (Approx. 30-35 HRC)

Impact properties

(Guaranteed values)

Testing temperature °C 20-400°C

Impact energy, Charpy-V, longitudinal direction;
min. ft. lbs. < 74-133

Tensile Properties

(Calculated values)

Tensile strength approx. 130 – 142,000 PSI

Milling

(Calculated values)

At cutting speed of 300 m/mm, feed 0.15 mm, 10 min. effective cutting time using a Sandvik Coromil 200 and inserts GC 1025, we guarantee max 0.3 mm edge wear.

Ultrasonic insp.

(Guaranteed values)

Discontinuities giving echoes at least equivalent in amplitude to flat bottom hole 1.5 mm shall be reported according to SSAB Standard V6.

Etching properties

(Guaranteed values)

TOOLOX 33 fulfills the demands according to NADCA 207-97.

Dimensions

(Preliminary)

TOOLOX 33 is supplied in plate thickness 3/4” – 5 1/8”.

Delivery condition

Quenched and tempered at min. 590°C

Heat treatment

TOOLOX 33 is not intended for further heat treatment If TOOLOX 33 is subjected to any heat treatment above 590°C, after delivery from SSAB Oxelösund AB, no guarantees concerning the properties of the matrial will be given.

Testing

Testing in accordance with EN 10 137-1, 10 137-2 and EN ISO 6506-1. Hardness measured on a milled surface, 0,5-2 mm below surface.

Tolerances

According to EN 10 029

• Thickness tolerances to Class C.
• Flatness tolerances to Class N, steeltype L.

Surface finish

According to EN 10 163-2

• Surface requirements to Class B.
• Repair conditions to Subclass 3.

TOOLOX 33 is a new quenched and tempered steel, designed to have low residual stresses. It is characterized by its extremely good machinability, in combination with a hardness of 30 HRC. The steel is especially suited for plastic moulds, having excellent polishing and photoetching ability. Other applications are for example rubber moulds, bending tools, recipient sleeves, etc.

Technical Information (Typical Values)

TOOLOX®33 can be machined in conventional, stable machines. It is important to use sharp tools and to avoid vibrations. Use the recommendations below as guidelines and as the start-point for evaluating your own best practice.

Record – Shoulder Milling

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