Materials

Providing a wide selection of metal and plastic materials that match to an extensive list of manufacturing capabilities.

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CNC machining materials

CNC machining have a long list of available materials for CNC prototypes and manufacturing parts, from hard metals like stainless steel and titanium, to soft metals such as aluminum, copper, brass, all the way to plastics including ABS, PC, PA, etc.

CNC machining metals

Description
Price
Aluminum
High strength-to-weight ratio
$
Stainless steel
Good corrosion resistance + High Hardness
$$$$
Steel
Good machinability + Excellent electrical conductivity
$$$
Brass
Good machinability + Excellent electrical conductivity
$$
Copper
>99.3% Purity + Superior electrical conductivity
$$
Titanium
Corrosion resistance + High tensile strength
$$$$$

CNC machining plastics

Description
Price
ABS
High stability + Easy to process
$$
POM (Delrin)
Low-friction + High-stiffness
$$
PC (Polycarbonate)
High impact resistance + High transparency
$$$
PA (Nylon)
High chemical and heat resistance + High abrasion and wear resistance
$$
PMMA (Acrylic)
High transparency + Good chemical stability
$
PEEK
High-performance thermoplastic, very high strength, thermal and chemical resistant.
$$
PP (Polypropylene)
Excellent chemical resistance. Food-safe grades available.
$
PE (Polyethylene)
Excellent strength-to-weight ratio, impact and weather resistant.
$$

Injection molding materials

Injection molding has the most variable options for materials, colors, and configurations when compared to CNC machining or 3D printing. Here are the materials RapidDirect provides for injection molding services.

Injection molding tooling materials

Aluminum
High machinability and ductility, good strength-to-weight ratio.
$
Tool steel
High hardness and stiffness, abrasion resistant.
$$$

Injection molding plastics

ABS
High stability + Easy to process
$$
POM (Delrin)
Low-friction + High-stiffness
$$
PC (Polycarbonate)
High impact resistance + High transparency
$$$
PA (Nylon)
High chemical and heat resistance + High abrasion and wear resistance
$$
PMMA (Acrylic)
High transparency + Good chemical stability
$
PEEK
High-performance thermoplastic, very high strength, thermal and chemical resistant.
$$
PP (Polypropylene)
Excellent chemical resistance. Food-safe grades available.
$
PE (Polyethylene)
Excellent strength-to-weight ratio, impact and weather resistant.
$$

Sheet metal fabrication materials

Sheet metal fabrication has relatively less options for materials, usually aluminum, copper, and steel. Please check the materials RapidDirect provides for sheet metal services.

Metal sheet types

Aluminum
High strength-to-weight ratio\ Aerospace components
$$
Copper
>99.3% Purity + Superior electrical conductivity
$$$$
Stainless steel
Good corrosion resistance + High Hardness
$$
Steel
Good machinability + Excellent electrical conductivity
$

3D printing materials

A wide range of 3D printing plastic materials for functional parts and visual prototypes.

3D printing plastics

Nylon
High chemical and heat resistance + High abrasion and wear resistance
$$
ABS
High stability + Easy to process
$
PLA
High stiffness, good detail, affordable.
$
Resin
High detail and smooth surface, injection mold-like prototyping.
$$

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