TOOLOX 33
TOOLOX®33 is a quenched and tempered tool steel designed to have low residual stresses. It is characterized by its extremely good machinability and is pre-hardened to 33 HRC. The steel has excellent polishing and photoetching properties. Applications include:
- Plastic molds
- Rubber molds
- Bending tools
- Machine components
Features
- Especially suited for plastic molds and rubber molds, having excellent polishing and photoetching ability.
- Supplied in plate thickness 3/4” – 5 1/8”.
- Hardness 30-35 HRC.
Specifications
| 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 material 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 |
Technical Information (Typical Values)
Chemical Composition (typical values)
| C | Mn | P | S | Si | Cu | Ni | Cr | Mo | B | C.E.* (typical) |
| 0.32 | 1.25 | 0.01 | 0.01 | 0.45 | 0.25 | 0.75 | 0.65 | 0.55 | 0.0 | 0.59 |
Compressive Strength (typical values)
| Yield Strength | [PSI] |
| at +20°C | 127,721 |
| at +200°C | 108,853 |
Inclusions (typical values)
| Inclusion Size (equiv. diam) | 6μm |
| Area faction | 0.015% |
| Aspect ratio | 1.2 |
Mechanical Properties (converted from metric)
| +20°C | +200°C | +300°C | +400°C | |
| Tensile Strength [PSI] | 142,137 | 150,554 | ||
| Elongation, A5 [%] | 15 | 12 | ||
| Compressive Yield | ||||
| Strength | 116,030 PSI | 168,771 PSI | 110,505 PSI | 15,573 PSI |
| Impact Energy [ft lbs] | 74 | 125 | 103 | 120 |
| Hardness [HRC] | 30 |
Physical Properties (typical values)
| +20°C | +200°C | +400°C | +600°C | |
| Thermal Conductiviy BTLMFT Hold °F | 29 | 20 | 17 | 18 |
| Thermal Expansion Inches/Inch Hold °F | 7.27 | 7.27 |
Tempering Curve
Continuous Time-Temperature Curve for Quenching from 925°C
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