colorFabb steelFill 1.75mm

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colorFabb steelFill 1.75mm

Product code: CLRFBF-175-STEEL

Part Number:  8719033555655



£45.00 incl. VAT.


In stock



steelFill 1.75mm filament by colorFabb is a high quality speciality 3D printing material. It is a PLA based filament blended containing steel particles, which once printed can be sanded and polished to achieve a nice gloss grey steel finish.


Each colorFabb steelFill spool contains approx. 750g of filament, is available in 1.75mm and 2.85mm diameters.


Due to the large variation of monitors, video cards, operating systems & Internet browsers and the effects each has on each other, the colours on this page may not exactly match the materials.

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colorFabb steelFill Technical Specifications



colorFabb steelFill

(PLA/PHA + fine steel particles)




Recommended print temperature

195°C - 210°C

Recommended bed temperature 50°C - 60°C  (if available. Heated bed not required)
Recommended print speed 40 - 80 mm/s
Glass transition temperature



3.13 g/cm3

Spool hub hole


Spool diameter 200mm

Compatible with wide range of FFF / FDM based 3D printers which

accept 1.75mm or 2.85mm filament 


Due to the high steel content of the steelFill, it can be quite abrasive, so it is recommended to use hardened steel nozzles.

Storage conditions

For best results, store in air-tight container

Approved food contact safe No


NB Properties and settings may vary depending on printer type and settings.


Download colorFabb steelFill product technical data sheet PDF

Does colorFabb steelFill work with all 3D printers?

The colorFabb testlab features a wide range of popular 3D printers. colorFabb continuously test their products on a range of 3D printers to check the quality of the materials produced and to develop exciting new materials.


The following printers are used in the colorFabb lab: Ultimaker Original, Ultimaker Original Dual Extrusion, Ultimaker 2, Makerbot Replicator 2, Delta Tower (E3D hot-end), Felix 20, Leapfrog Creator, BEETHEFIRST. As such, colorFabb bronzeFill can be used for most commercially available leading brands 3D FDM/FFF printers. Please check your specific printer set up, specification and operation of your 3D printer for compatibility.


steelFill is likely to require some adjustment to your 3D printer settings to achieve the best results. Furthermore, due to the high steel content, it can be an abrasive material and it is recommended to use with hardened steel nozzles.


What are the processing guidelines for colorFabb steelFill filament?

  • Recommended extruder temperature: 195-210C°C

  • Recommended platform temperature: 50°C (if available, heated bed not required)


Are there any tips for printing in colorFabb steelFill?

Yes, colorFabb recommend using layer heights of 0.2mm up to 0.27mm when using 0.4mm nozzles, as this gives a good flow with most standard print speed settings. If printing with smaller layer heights, it is recommended to adjust either the print speed (increase) or reduce the temperature slightly to accommodate for lower volume of material being extruded.


steelFill is similar in performance to bronzeFill. Generally, steelFill will not need extensive cooling, starting with 50% cooling is a good place to begin, with adjustments as per your model and printer requirements. In terms of retraction settings, they should be similar to PLA settings, with retraction at a minimum.


Check out colorFabb's guide to printing in steelFill for more details.


Is a heated bed necessary for printing with colorFabb steelFill?

No, a heated bed is not necessary for printing in steelFill. Should you wish to use a heated bed, the recommended platform temperature is around 50°C. 


What is the diameter tolerance?

colorFabb use laser measurement systems to check the diameter of their filament real time during production. It’s measured over 1000 times per second and helps guarantee that each spool of colorFabb 3D printing filament is produced within tolerance. colorFabb can guarantee 0.05mm +/- on both 2.85mm and 1.75mm colorFabb 3D printing filament.



Other Colours Available
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