ABS Machining

A Guide to ABS CNC Machined Parts: Properties, Applications and Design Considerations

What is ABS?

Acrylonitrile Butadiene Styrene (ABS) is an opaque thermoplastic made from a two phase polymer blend. ABS is well known for its impact resistance and toughness.

ABS is both harder and more scratch resistant than PET and POM (Acetal), but has a lower thermal stability. The characteristics of basic ABS offer a wide scope for modification by varying the proportion of the components used in the polymer blend.

Main Attributes of ABS:

Good machinability
Easy bonding and weldability
Gamma and x-ray resistant
Good toughness and impact strength even at low temperatures
High stiffness
Good dimensional stability
Can be used in temperatures ranging from -50°C to +70°C
Opaque
Electrically insulating
Resists scratching
Low density
Good chemical resistance
Good damping
Low moisture absorption
Not weather resistant
Limited resistance to acid and caustic solutions
Recyclable

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Detailed information about ABS for designers can be found in the tabs below. Please note: this information is provided as a guide only.

ABS Machining Service - ABS Milling & Turning

Penta Precision supplies highly accurate ABS machined parts throughout the UK. Customers turn to us when they have had quality and delivery issues with their existing suppliers and need a reliable precision machining partner.

We communicate well with customers, we take care with the projects placed with us and we are consistent in our service delivery. See our Proven Process page to find out more about our winning formula.

"Penta provide an excellent service from start to end. Friendly and knowledgeable consultant and advice, superb communication throughout, outstanding attention to detail, flawless engineering and machining, on time supply, transparent pricing, clear and accurate paperwork. A genuine pleasure to do business with." Simon - Head of Fleet Maintenance

Penta Precision provides the following plastic ABS machining services:

CNC milling – prototypes & large batch runs
CNC turning – prototypes & large batch runs
Insert installation
Part marking
Manual milling
Manual turning
Machining design advice
Machining drawing service

Reasons to Choose Penta:

ISO 9001:2015 quality assurance
Consistent high quality machined parts
Reliable delivery dates - our track record speaks volumes
Exceptional customer service and communication
Machining design advice
Extensive experience in our field

We are regularly machining engineering plastics for customers all over the UK. Our customers depend on our machining expertise as well as our outstanding delivery performance, to machine the highest quality parts. If you'd like to discuss how we can help you with your ABS machining requirements, here's a list of ways to get in touch with us.

Physical Properties	Value
Density	1.04 g/cm³

Physical Properties

Value

Density

1.04 g/cm³

Mechanical Properties	Value	Parameter	Norm	Notes
Modulus of elasticity (tensile test)	1700 MPa	1mm/min	DIN EN ISO 527-2	For tensile test: specimen type 1b
Tensile strength	32 MPa	50mm/min	DIN EN ISO 527-2
Tensile strength at yield	32 MPa	50mm/min	DIN EN ISO 527-2
Elongation at yield	3%	50mm/min	DIN EN ISO 527-2
Elongation at break	49%	50mm/min	DIN EN ISO 527-2
Flexural strength	49 MPa	2mm/min, 10 N	DIN EN ISO 178	For flexural test: support span 64mm, norm specimen
Modulus of elasticity (flexural test)	1600 MPa	2mm/min, 10 N	DIN EN ISO 178
Compression strength	15/26/46 MPa	1% / 2% / 5%	EN ISO 604	Specimen 10x10x10mm
Compression modulus	1400 MPa	5mm/min, 10 N	EN ISO 604	Specimen 10x10x50mm, modulus range between 0.5 and 1% compression
Impact strength (Charpy)	Not Broken	max. 7.5J	DIN EN ISO 179-1eU	For Charpy test: support span 64mm, norm specimen
Notched impact strength (Charpy)	34 KJ/m²	max. 7.5J	DIN EN ISO 179-1eA
Ball indentation hardness	74 MPa		ISO 2039-1	Specimen in 4mm thickness

Mechanical Properties

Value

Parameter

Norm

Notes

Modulus of elasticity (tensile test)

1700 MPa

1mm/min

DIN EN ISO 527-2

For tensile test: specimen type 1b

Tensile strength

32 MPa

50mm/min

DIN EN ISO 527-2

Tensile strength at yield

32 MPa

50mm/min

DIN EN ISO 527-2

Elongation at yield

50mm/min

DIN EN ISO 527-2

Elongation at break

49%

50mm/min

DIN EN ISO 527-2

Flexural strength

49 MPa

2mm/min, 10 N

DIN EN ISO 178

For flexural test: support span 64mm, norm specimen

Modulus of elasticity (flexural test)

1600 MPa

2mm/min, 10 N

DIN EN ISO 178

Compression strength

15/26/46 MPa

1% / 2% / 5%

EN ISO 604

Specimen 10x10x10mm

Compression modulus

1400 MPa

5mm/min, 10 N

EN ISO 604

Specimen 10x10x50mm, modulus range between 0.5 and 1% compression

Impact strength (Charpy)

Not Broken

max. 7.5J

DIN EN ISO 179-1eU

For Charpy test: support span 64mm, norm specimen

Notched impact strength (Charpy)

34 KJ/m²

max. 7.5J

DIN EN ISO 179-1eA

Ball indentation hardness

74 MPa

ISO 2039-1

Specimen in 4mm thickness

Thermal Properties	Value	Parameter	Norm	Notes
Glass transition temperature	104°C		DIN EN ISO 11357	Found in public sources
Service temperature	100°C	short term	NN	Found in public sources. Individual testing regarding application conditions is mandatory
Service temperature	75°C	long term	NN

Thermal Properties

Value

Parameter

Norm

Notes

Glass transition temperature

104°C

DIN EN ISO 11357

Found in public sources

Service temperature

100°C

short term

Found in public sources. Individual testing regarding application conditions is mandatory

Service temperature

75°C

long term

Electrical Properties	Value	Norm
Specific surface resitance	10¹⁴ O	DIN IEC 60093
Specific volume resistance	10¹⁴ O*cm	DIN IEC 60093

Electrical Properties

Value

Norm

Specific surface resitance

10¹⁴ O

DIN IEC 60093

Specific volume resistance

10¹⁴ O*cm

DIN IEC 60093

Other Properties	Value	Parameter	Norm	Notes
Flammability (UL94)	HB	Corresponding to	DIN IEC 60695-11-10	Corresponding to means no listing at UL (yellow card). Individual testing regarding application conditions is mandatory
Water absorption	0.2%	24h / 96h (23°C)	DIN EN ISO 62	Ø ca. 50mm, h=13mm

Other Properties

Value

Parameter

Norm

Notes

Flammability (UL94)

Corresponding to

DIN IEC 60695-11-10

Corresponding to means no listing at UL (yellow card). Individual testing regarding application conditions is mandatory

Water absorption

0.2%

24h / 96h (23°C)

DIN EN ISO 62

Ø ca. 50mm, h=13mm

ABS Machining

A Guide to ABS CNC Machined Parts: Properties, Applications and Design Considerations

What is ABS?

Main Attributes of ABS:

GET ABS MACHINING QUOTE

ABS Machining Service - ABS Milling & Turning

Reasons to Choose Penta:

ABS Components, Applications & Industries

Typical Components & Applications:

Industry Examples:

CNC Machining ABS - Notes for Designers

ABS Machinability

Similar or obsolete designation and trade names

ABS UK Stock Sizes

ABS Technical Properties

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