ColorFabb SteelFill vs TPU

Compare ColorFabb SteelFill and TPU filaments side-by-side so you can pick the right one for your 3D printing project.

ColorFabb SteelFill vs TPU: ColorFabb SteelFill is known for general use, while TPU is known for excellent layer adhesion. Both have no enclosure requirements; ColorFabb SteelFill is less moisture-sensitive; TPU prints at higher nozzle temperatures (200-240°C vs 210°C). Choose ColorFabb SteelFill for general use, or TPU for excellent layer adhesion.

Key differences at a glance

Property
ColorFabb SteelFill
TPU
Nozzle temp
210°C
200-240°C
Bed temp
60°C
30-60°C
Enclosure needed
No
No
Ease of printing
Easy
Easy
Moisture sensitivity
low
high

ColorFabb SteelFill

-

Versatile 3D printing filament

TPU

S

Thermoplastic Polyurethane

Excellent layer adhesion; extremely impact resistant; highly durable

Detailed Comparison

Property
ColorFabb SteelFill
TPU
Tier Rating
Tier null
Tier S
Family
Specialty
Flexible
Nozzle Temp
210°C
200-240°C
Bed Temp
60°C
30-60°C
Enclosure
not needed
not needed
Cooling
Moderate cooling
Moisture Sensitivity
low
high

Green marks the generally easier or more forgiving option in that row, based on tier, enclosure needs, and moisture sensitivity. It is not always the better choice for a specific job, so weigh it against what your project actually needs.

Strengths Comparison

ColorFabb SteelFill Strengths

    TPU Strengths

    • Excellent layer adhesion; extremely impact resistant; highly durable
    • Great for combat robots, tactical/rough-use parts
    • Rubber-like parts (gaskets, grips, bumpers, wheels)

    Considerations

    ColorFabb SteelFill Caveats

      TPU Caveats

      • Slow printing; retraction can cause jams (especially in Bowden setups)
      • Stringing is common
      • Very moisture sensitive; wet TPU prints poorly

      Frequently Asked Questions

      What is the difference between ColorFabb SteelFill and TPU?
      ColorFabb SteelFill prints at 210°C nozzle / 60°C bed (No enclosure, low moisture sensitivity). TPU prints at 200-240°C nozzle / 30-60°C bed (No enclosure, high moisture sensitivity).
      Is ColorFabb SteelFill or TPU stronger?
      Our dataset does not include comparable tensile strength values for both. Qualitatively, ColorFabb SteelFill is suited to , while TPU is suited to excellent layer adhesion.
      Which prints at a higher temperature, ColorFabb SteelFill or TPU?
      TPU prints at a higher temperature (200-240°C nozzle vs 210°C for ColorFabb SteelFill).
      Is ColorFabb SteelFill or TPU better for beginners?
      ColorFabb SteelFill is better for beginners: enclosure is no and moisture sensitivity is low, vs no enclosure and high moisture for TPU.
      Should I use ColorFabb SteelFill or TPU for flexible parts?
      For flexible parts, TPU is usually the better fit (Excellent layer adhesion). Choose ColorFabb SteelFill instead when .

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