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Toolox 46

Steel Glossary

Toolox 46

Material info

Chemical composition %
C Si Mn P S Cr Mo Ni
max. 0.41 1.24 1.04 0.01 0.003 1.88 2.18 2.2
min. 0.24 0.46 0.56 1.18 1.78

Toolox 46 is a hardened and tempered tool steel designed for minimum residual stresses. This material therefore has very good dimensional stability during machining. Toolox 46 is based on the successful Toolox 44, but with a modified chemical composition that makes it the perfect choice for the most demanding hot-work tool applications. Despite its high hardness, machining can be carried out without any problems using standard carbide tools.

hardness
(Guaranteed value)		 HBW 430 – 490 (corresponds to approx. 42.5 – 49 HRC)
Impact toughness
(Guaranteed value)		 Test temperature
20°C

For Toolox 46 round bar (forged):
Impact toughness:
Charpy-V min. 11 J (20°C), measured on longitudinal specimens at ¼ of the material thickness.

For Toolox 46 flat forged material:
Impact toughness:
Charpy-V min. 11 J (20°C), measured on longitudinal specimens at ¼ of the material thickness.

For Toolox 46 rolled plate flat material:
Impact toughness:
Charpy-V min. 8 J (20°C), measured on transverse specimens at ¼ of the material thickness.
Tensile strength
(Converted value)		 Tensile strength approx. 1,600 MPa
Ultrasonic testing
(Guaranteed value)		 Round bar: Ultrasonic testing according to EN 10 308 with additional requirements according to SSAB V6.
Plates: Ultrasonic testing according to EN 10 160 with additional requirements according to SSAB V6.
Forgings: Ultrasonic testing according to EN 10 228-3 with additional requirements according to SSAB V6.
Etching properties
(Guarantee commitment)		 Toolox 46 meets the requirements according to NADCA 207–2006.
Dimensions round material: Ø 151 to 353 mm
Rolled plate: 60 to 130 mm
Forged flat bars: 150 to 320 mm
Condition on delivery Hardened and tempered at min. 590°C.
Free of mill scale, no weld repairs.
Heat treatment Toolox 46 is not intended for further heat treatment. If this material is subjected to further heat treatment above 590°C after delivery, the properties are no longer guaranteed. Nitriding or coating is possible at temperatures below 590°C.
Testing Hardness test: According to EN ISO 6506-1
Round bar: Hardness is measured on a milled surface, with indentations positioned as for impact testing according to EN 10 083.
Plates: Hardness tested on a milled surface 0,5 – 2 mm below the plate surface.
Forgings: Hardness is measured on a milled surface 12,5 mm below the ordered surface.
Impact testing: According to EN 10 025, EN ISO 148 with 2 mm striker.
Tolerances Round bar: EN 10 060
Plates: According to Toolox thickness guarantee (tighter than EN 10 029 Class C), length and width in accordance with EN 10 029
Forgings: EN 10 029
Surface properties Plates: According to EN 10 163-2 Class B, Subclass 3
Forgings: sawn / turned / milled
Flatness Plates: According to Toolox flatness guarantees (tighter than EN 10 029 Class N, steel type L)
Products Precision flat steel (custom sizes), VarioPlan, VarioRond and raw material blanks. Machine components and guide rails customized according to your specifications and drawings.
Mechanical properties (typical values*)
Product form Dimensions [mm] Guaranteed hardness [HBW] Hardness typ. [HRC]* Guaranteed impact toughness min [J] Tensile strength typ. Rm [MPa]*
round material Ø 151 to 353 mm 430 - 490 46 11 (Longitudinal) 1,600
Rolled plate 60 to 130 mm 430 - 490 46 8 (transverse) 1,600
Forged flat bars 150 to 320 mm 430 - 490 46 11 (Longitudinal) 1,600

Toolox 46 is tested for hardness and impact energy at room temperature.

* Reference values for information only.

Anti-corrosive coating

Anti-corrosive coating on plate by SSAB
As standard, Toolox plates are provided with an anti-rust coating and individual plate identification.

Flatness

Flatness measurement on Toolox plate from SSAB Technical illustration: Flatness measurement on a Toolox plate from SSAB using a 1-metre straightedge. Demonstrates precise flatness control. Straightedge Straightedge Measurement length Measurement length Flatness deviation
Hardness conversion table for Toolox and Hardox
Tensile strength
MPa		 715 790 820 861 935 995 1,011 1,090 1,169 1,245 1,328 1,412 1,494 1,580 1,758 1,940 2,130
Vickers hardness
HV		 205 233 243 261 289 311 317 345 373 401 429 458 485 514 569 627 682
Brinell hardness
HBW		 225 250 260 275 300 320 325 350 375 400 425 450 475 500 550 600 650
Rockwell
HRC		 19 22.5 24 26 29 32 32.5 35.5 38 40 42.5 44.5 46.5 49 52.5 55 57.5
Material info

Available products made of this grade:

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