Materials

Aluminum, stainless steel, engineering plastics, resins, and nylons compared.

  1. 01 Materials Overview: Every Material on OpusFab Every material offered on OpusFab, grouped by process: CNC metals and plastics, SLA resins, SLS nylons, and metal printing alloys.
  2. 02 Aluminium 6061 vs 7075: Which Alloy for Your Part Strength, machinability, corrosion resistance, and cost differences between aluminium 6061-T6 and 7075-T6, and when to use each.
  3. 03 Stainless Steel Options: 304, 316, and 316L The stainless steels on OpusFab: 304 and 316 for CNC machining, 316L for metal 3D printing, and when stainless beats aluminium.
  4. 04 S45C vs 4140 Steel: Which Steel for Your Part S45C and 4140 pre-hardened steel compared: strength, wear resistance, machinability, cost, and when to pick each for CNC parts.
  5. 05 Titanium Ti-6Al-4V (Grade 5) Ti-6Al-4V titanium for CNC parts: strength-to-weight, corrosion resistance, biocompatibility, cost, and when aluminium is the smarter pick.
  6. 06 Brass C360: The Free-Machining Brass Brass C360 for CNC parts: the most machinable metal we offer, with natural corrosion resistance, good conductivity, and a gold appearance.
  7. 07 Engineering Plastics for CNC Machining The two CNC plastics on OpusFab, ABS and POM (Delrin): properties, typical uses, and how to choose between them.
  8. 08 3D Printing Materials: SLA Resins and SLS Nylon The SLA resin range (Standard 9400, Tough, Red Wax) and SLS nylon colours, and when a printed material beats a machined one.