CNC Machining Materials

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CNC Machining Materials Overview

Material Density Tensile Strength Elongation Tensile Modulus Rockwell Hardness Izod Impact Strength
(73°F)
Flexural Strength Flexural Modulus Heat Deflection Temp.
@66 psi
Heat Deflection Temp.
@264 psi
ABS 0.0372 lb/in3
(1.30 g/cc)
6,000 psi
(41 MPa)
40% 7.7 ft-lb/in
(408 J/m)
300,000 psi
(2,000 MPa)
- 201°F
(94°C)
Polycarbonate
0.0430 lb/in3
(1.19 g/cc)
8,000 psi
(55 MPa)
50% 300,000 psi
(2,000 MPa)
70-M Scale
118-R Scale
1.7 ft-lb/in
(90 J/m)
14,000 psi
(98 MPa)
340,000 psi
(2,300 MPa)
280°F
(138°C)
270°F
(132°C)
Polycarbonate
20% GF
0.0434 lb/in3
(1.20 g/cc)
16,000 psi
(110 MPa)
5% 860,000 psi
(5,900 MPa)
2.06 ft-lb/in
(109 J/m)
19,000 psi
(131 MPa)
798,000 psi
(5,500 MPa)
298°F
(147°C)
295°F
(146°C)
Nylon 6/6
0.0412 lb/in3
(1.14 g/cc)
10,000 psi
(68 MPa)
25% 350,000 psi
(2,400 MPa)
90-M Scale 1.1 ft-lb/in
(58 J/m)
15,500 psi
(107 MPa)
440,000 psi
(3,000 MPa)
455°F
(235°C)
194°F
(90°C)
30% GF Nylon
0.0488 lb/in3
(1.35 g/cc)
12,000 psi
(82 MPa)
10% 400,000 psi
(2,700 MPa)
90-M Scale 1.0 ft-lb/in
(53 J/m)
18,500 psi
(128 MPa)
550,000 psi
(3,800 MPa)
490°F
(254°C)
482°F
(253°C)
Delrin
0.0513 lb/in3
(1.42 g/cc)
9,000 psi
(62 MPa)
25% 350,000 psi
(2,400 MPa)
94-M Scale
120-R Scale
1.5 ft-lb/in
(80 J/m)
11,500 psi
(79 MPa)
420,000 psi
(2,900 MPa)
336°F
(169°C)
257°F
(125°C)
HDPE
0.034 lb/in3
(0.905 g/cc)
600% 225,000 psi
(1,550 MPa)
172°F
(78°C)
Polypropylene
0.033 lb/in3
(0.905 g/cc)
4,500 psi
(31 MPa)
14% 92-R Scale 1.2 ft-lb/in
(64 J/m)
225,000 psi
(1,550 MPa)
Clear Acrylic
6.4% 450,000 psi
(3,100 MPa)
98-M Scale 0.375 ft-lb/in
(20 J/m)
15,000 psi
(105 MPa)
475,000 psi
(3,275 MPa)
230°F
(110°C)
203°F
(95°C)
PVC White/Gray
0.051 lb/in3
(1.42 g/cc)
5,400 psi
(37 MPa)
411,000 psi
(2,800 MPa)
115-R Scale 1.0 ft-lb/in
(53 J/m)
481,000 psi
(3,300 MPa)
179°F
(82°C)
176°F
(86°C)
PVC Clear
0.051 lb/in3
(1.40 g/cc)
11,250 psi
(77 MPa)
426,000 psi
(2,900 MPa)
115-R Scale 0.9 ft-lb/in
(48 J/m)
480,000 psi
(3,300 MPa)
165°F
(74°C)
154°F
(68°C)
Ultem 1000
15,200 psi
(104 MPa)
60% 430,000 psi
(2,900 MPa)
109-M Scale 1 ft-lb/in
(53 J/m)
22,000 psi
(152 MPa)
480,000 psi
(3,300 MPa)
410°F
(210°C)
392°F
(200°C)
Ultem 1000
20% GF
20,100 psi
(138 MPa)
3.0% 1,000,000 psi
(7,000 MPa)
114-M Scale 1.6 ft-lb/in
(85 J/m)
30,000 psi
(207 MPa)
9,000,000 psi
(6,200 MPa)
410°F
(210°C)
408°F
(209°C)
G-10 FR4
40,000 psi
(275 MPa)
98-M Scale 7.9 ft-lb/in
(419 J/m)
65,000 psi
(450 MPa)
2,900 psi
(20 MPa)