Materials We Machine

At DG Proto, we machine a wide range of metals and engineering plastics used in industrial applications. Our material selection covers everything from cost-effective plastics to high-performance alloys, ensuring the right balance of strength, precision, and cost efficiency.

We are experienced in rapid prototyping, low-volume production, and precision CNC machining, supporting complex geometries and tight tolerances.


Engineering Plastics

We support a broad selection of engineering plastics, including standard, reinforced, and high-performance materials.

Material NameDensity (g/cm³)International Equivalent / Standard
ABS1.20ISO 2580 / ASTM D4673
PC (Polycarbonate)1.20–1.30ISO 7391 / ASTM D3935
PMMA (Acrylic)1.18–1.20ISO 7823 / ASTM D4802
POM (Acetal / Delrin)1.40–1.45ISO 9988 / ASTM D4181
Nylon (PA6)1.13–1.15ISO 1874 / ASTM D4066
Nylon (PA66)1.14–1.15ISO 1874 / ASTM D4066
PP (Polypropylene)0.90–1.20ISO 19069 / ASTM D4101
PE (HDPE)0.94–1.00ISO 4427 / ASTM D3350
UHMWPE0.93–1.00ISO 11542 / ASTM D4020
PVC (Rigid)1.30–1.50ISO 1452 / ASTM D1784
PTFE (Teflon)2.10–2.30ASTM D4894
PEEK1.30–1.40ASTM D6262 / ISO 15373
PPS1.35–1.40ASTM D4067
PEI (Ultem 1000)1.27ASTM D5205
PET1.38–1.40ISO 1873 / ASTM D7611
PVDF1.75–1.80ASTM D3222
FR4 (Epoxy Glass)1.85–2.10NEMA LI-1
Bakelite (Phenolic)1.30–1.50NEMA XX / ASTM D709

Notes:

  • Glass fiber reinforced materials (e.g. PA+GF30%, PC+GF30%) provide higher strength and dimensional stability.
  • Flame-retardant and anti-static grades are available upon request.

Metals

We machine a full range of industrial metals, from lightweight aluminum to high-strength titanium alloys.

Material NameDensity (g/cm³)International Equivalent / Standard
Aluminum 60612.70ASTM B221 / EN AW-6061
Aluminum 70752.80ASTM B209 / EN AW-7075
Aluminum 50522.68ASTM B209 / EN AW-5052
Aluminum 20242.78ASTM B209 / EN AW-2024
Aluminum 50832.66EN AW-5083
Aluminum 60822.70EN AW-6082
Carbon Steel7.85ASTM A36 / AISI 1020
Alloy Steel7.85AISI 4140 / 4340
Stainless Steel 3048.00ASTM A240 / EN 1.4301
Stainless Steel 3168.00ASTM A240 / EN 1.4401
Brass (C3604)8.40–8.70ASTM B16
Copper (C1100)8.90ASTM B152
Bronze8.70–8.90ASTM B505
Titanium Alloy (Ti-6Al-4V)4.43–4.60ASTM B348
Magnesium Alloy1.74–1.90ASTM B93
Zinc Alloy6.60–6.90ASTM B86

Material Selection Support

Selecting the right material is essential for performance and cost control. We assist customers based on:

  • Mechanical strength and wear resistance
  • Temperature and chemical resistance
  • Surface finishing requirements
  • Application environment
  • Budget and production volume

Why Work With Us

  • Wide material availability (plastics + metals)
  • Stable supply chain and certified materials
  • Tight tolerances and high precision machining
  • Fast turnaround for prototypes and production

If you are unsure which material best fits your project, our engineering team can provide fast and professional recommendations based on your application.

Kinds of material for choose:

Aluminum
Aluminum CNC machining for lightweight and high-strength custom parts.

Stainless Steel
Stainless steel CNC machining for durable and corrosion-resistant components.

Brass
Brass CNC machining for precision fittings and electrical components.

Plastic
CNC plastic machining for ABS, POM, and other engineering materials.

Get Your Project Started Today

Collaborate with DG Proto on accurate and dependable production that fits your requirements. Our highly skilled team employs the latest technology and high standards to produce superior quality parts in a fast and cost-effective manner to turn your ideas into reality on time.