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Alloy

JIS

AA

ASTM

DIN

BS

Application

Al-Si

ADC1

A413

S12A.C

GD-ALSi12

LM20

Die Casting

Al-Si-Mg

ADC3

A360.2

SG100A

GD-ALSi10Mg

LM20

Die Casting

Al-Mg

ADC5

A518.2

G8A

GD-ALMg8Cu

　

Sand Casting

Al-Mg

ADC6

A514

G4A

GD-ALMg3Cu

LM5

Sand Casting

Al-Si-Cu

ADC10

A380.1

SC84A

GD-ALSi8Cu3Fe

LM24

Die Casting

Al-Si-Cu

ADC12

A383

　

　

LM2

Die Casting

 

Aluminum Alloy Chemical Composition (%)

　

 Alloy

Si

Fe

Cu

Mn

Mg

Cr

Ni

Zn

Ti

Pb

Sn

Al

ADC1

11.0~13.0

0.9

1.0

0.3

0.3

－

0.5

0.5

－

－

0.1

Bal.

ADC3

9.0~10.0

0.9

0.6

0.3

0.4~0.6

－

0.5

0.5

－

－

0.1

Bal.

ADC5

0.3

1.1

0.2

0.3

4.1~8.5

－

0.1

0.1

－

－

0.1

Bal.

ADC6

1.0

0.6

0.1

0.4~0.6

2.6~4.0

－

0.1

0.4

－

－

0.1

Bal.

ADC10

7.5~9.5

0.9

2.0~4.0

0.5

0.3

－

0.5

1.0

－

－

0.3

Bal.

ADC12

9.6~12.0

0.9

1.5~3.5

0.5

0.3

－

0.5

1.0

－

－

0.3

Bal.

 

Zinc Alloy Chemical Composition (%)

品名

Al

Mg

Cu

Fe

Pb

Cd

Sn

Zn

Alloy 3

3.5~4.3

0.02~0.05

0.25max

0.1

0.003

0.004

0.005

Bal.

Alloy 7

3.5~4.3

0.005~0.02

0.25max

0.075

0.001

0.002

0.003

Bal.

Alloy 9

3.5~4.3

0.03~0.05

0.75~1.2

0.1

0.003

0.004

0.005

Bal.

Alloy 2

3.5~4.3

0.02~0.05

2.5~3.0

0.1

0.003

0.004

0.005

Bal.

　

 

Magnesium Alloy Chemical Composition (%)

Alloy

Al

Mn

Zn

Si(max)

Cu(max)

Ni(max)

Fe (max)

AZ91D

8.3-9.7

0.15-0.50

0.35-1.0

0.10

0.030

0.002

0.005

AM60B

5.5-6.5

0.24-0.6

max.0.22

0.10

0.010

0.002

0.005

Physical Properties of Some Popular Materials

　

Material

Thermal Conductivity(W/m?/span>C)

Thermal Dissipation (cm2/s)

Yield Strength

(Mpa)

Specific Density

Elasticity (104Kg/cm)

Tension Strength

(Mpa)

Elongation

Minimal Part Thickness (mm)

Melting Temperature (?/span>C)

Strength/Weight Ratio

Weight Ratio (%)

PC/ABS

0.91

 

 

1.14

2.4

104/25

3/40

1.6

160/90

102/41

100

PC/GF

(CF15%)

 

 

 

1.34

4.9

60

 

1.26

 

 

93

CFRP

(CF30%)

 

 

 

1.5

14.0

 

 

0.89

 

 

73

MG

79

0.38

160

1.8

47.0

280

8

0.59

470~596

187

59

AL

100

0.36

160

2.7

67.0

315

3

0.53

555~615

106

78

Steel

42

 

400

7.86

 

517

22

 

1250

80

 

Zinc

113

 

 

6.6

 

 

 

 

377~432

 

 

Iron

 

 

 

7.1

 

 

 

 

 

 

 

Brass

 

 

 

8.5

 

 

 

 

 

 

 

　

　

Mechanical Properties of Some Popular Metals

　

Material

Alloy

Tensile Strength (Mpa)

Yield Strength (Mpa 0.2% Offset)

Compressive Yield Strength (Mpa 0.2% Offset)

Impact Strength (J)

Shear Strength (Mpa)

Fatigue Strength (Mpa)

Young・ Modulus (Gpa)

Poisson・ Ratio

Elongation % in 50mm

Hardness HB

Zn

Alloy 2

358

283

641

48

317

58.6

85.5

0.3

8.0

100

Alloy 3

248-283

221

414

58

214

47.6

85.5

0.3

10.0

82

Alloy 5

289-331

269

600

65

262

56.5

85.5

0.3

7.0

91

Mg

AZ91D

230

160

165

3

138

70

45

0.35

0.5-3

63

AM60A

220

131

115

6

-

70

45

0.35

8.0

62

AL

A380

325

159

-

3

195

140

71

0.33

4.0

83

A383

300

131

-

3

200

145

71

0.33

3.5

65-90

B390

283

242

-

6

200

140

81.3

0.33

1.0

120

Brass

C38500

420

228

-

16

260

-

100

-

20.0

133

Plastic

6,6 Nylon

70

35

103

1

-

-

3

-

60.0

-

Polycarbonate

60

62

86

8

-

-

2.2

-

60.0

-

 

 

Thermal Properties of Several Popular Materials

　

材料

合金

Density (g/cm3)

Melting Range (℃)

Maximum Service Temperature (℃)

Specific Heat Capacity (J/Kg℃)

Thermal Conductivity (W/m℃)

Coefficient of Thermal Expansion (m/m/℃)

Electrical Conductivity (%IACS)

Zn

Alloy 2

6.7

379-390

80

419

105

27.8

25

Alloy 3

6.7

381-387

80

419

113

27.4

27

Alloy 5

6.7

380-386

80

419

109

27.4

26

Alloy 7

6.7

381-387

80

419

113

27.4

27

ZA 8

6.3

375-404

100

435

115

23.2

27.7

ZA 27

5

376-484

100

525

125

26

29.7

Z210

6.9

380-403

80

-

100

-

-

ACuZinc5

6.85

402-460

120

340

106

24

26.9

Beric

6.8

390

80

-

105

24

-

Mg

AZ91D

1.81

468-596

150

1050

72

27

11

AM60A

1.8

540-615

130

1050

62

26

12.4

AL

A380

2.7

537-593

150

963

96

21

27

383

2.7

525-570

150

963

100

20

26

B390

2.75

507-649

200

963

134

18

27

Brass

C38500

8.4

880-900

100

380

109

21

26

Plastic

6,6 Nylon

1.14

-

75

-

0.25

80

-

Polycarbonate

1.21

-

120

-

0.19

66

-

　

Specific Density of Several Plastics

 

Material

Specific Density

Polyvinyl Chloride (rigid)

1.20-1.37

Styrene Acrylonitrile (Copolymer)

1.07

ABS Resins

1.04-1.06

Modified Acrylic Resin-Rubber

1.12-1.18

Cellulose Acetate Butyrate

1.19

Modified Polyphenylene Oxide

1.06-1.10

Polycarbonate Resin

1.20

Polysulfane

1.24

 

Heat Treatment of Aluminum Castings

F

As Cast - Castings are cooled naturally from the mold in room temperature air with no further heat-treatment.

T-5

Aging Treatment - Castings that are artificially aged by heating metal to 400F for 7-9 hours.

T-6

Solution Heat-treated and Artificially Aged - Castings are Solution Heat-treated by heating metal to 1000℉ for 4-12 hours and quenched in water at 150-212℉.

T-7

Solution Heat-treated and Stabilized - Castings are stabilized to carry them beyond the point of maximum hardness, providing control of growth or residual stress, or both.

 

Process Comparison

 

Process

 Precision Sand Castings

 Rubber Plaster Molding

 Investment (Lost Wax) Castings

 Permanent  Mold

Graphite Permanent Mold

Die Casting

V-Process Castings

Typical Weight  Range

oz. - 100 lbs.

oz. - 30 lbs.

oz. - 20 lbs.

oz. - 100 lbs.

oz. - 10 lbs.

oz. - 30 lbs.

Up to 150 lbs.

Tolerances

?020" to 10", then add ?001"/", thereafter.
Add minimum of .010 " across the parting line and for cored features.

?010" to 8", then add ?001"/", thereafter.
Add minimum of .005" across the parting line and for cored features.

?003" to 1/4" ?004" to 1/2" ?005" to 3", then add ?003"/".

?015"/" to 1", then add ?002"/".
Add ?010" to .030" across the parting line.

?005" Add ?002" across the parting line.

?002"/" Add ?015" across the parting line.

?02" to 6", then add ?002"/" Add ?02" across the parting line.

Flatness

Within .015"
(geometry dependent)

Within .010"
(geometry dependent)

Within .015"
(geometry dependent)

 

 

 

 

Surface Finish

120-175 RMS, except on cored areas.

63-125 RMS

63-125 RMS

150-300 RMS

25 RMS or better

32-63 RMS

125-150 RMS

Minimum Draft Required

1/2?to 3?/span>

1/2?to 2?/span>

None

2?to 4?/span>

1?to 2?/span>

1?to 3?/span>

None

Minimum Wall Section

Typical:
.140"-.187"
Minimum: .080"
(geometry dependent)

Typical:
.100" -.187"
Minimum: .040"
(geometry dependent)


.060"


.187"


.100"


.030" to .060"


.125"

Typical Quantities

All

<2,000

<1,000

>500

500-1500

>2,500

All

Typical Tooling Price


$800 - 4K


$3K - 15K


$3K - 10K


$5K - 15K


$1.5K - 5.5K


$5K - 250K


$3K - 6K

Nominal Lead Time

Samples:
1 - 4 wks.
Production:
1 - 5 wks. after approval.

Samples:
2 - 4 wks.
Production:
1 - 5 wks. after approval.

Samples:
2 - 4 wks.
Production:
5 - 12 wks.
after approval.

Samples:
8 - 20 wks.
Production:
10 - 12 wks.
after approval

Samples:
3 - 6 wks.
Production:
2 - 4 wks.
after approval.
Lifetime use.

Samples:
12 - 26 wks.
Production:
8 - 14 wks.
after approval.

Samples:
2 - 6 wks.
Production:
2 - 6 wks.
after approval.

 

　

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