(Alloy)

Si

Mg

Fe

Cu

Mu

Zn

Cr

Ti

(Impurity)

Al

(Unit)

(Total)

6063(%)

0.20-0.60

0.45-0.90

≤0.35

≤0.10

≤0.10

≤0.10

≤0.10

≤0.10

≤0.05

≤0.15

(Surplus)

6063A(%)

0.30-0.60

0.60-0.90

0.15-0.35

≤0.10

≤0.15

≤0.15

≤0.05

≤0.10

≤0.05

≤0.15

(Surplus)

6061(%)

0.40-0.80

0.80-1.20

≤0.70

0.15-0.40

≤0.15

≤0.25

0.04-0.35

≤0.15

≤0.05

≤0.15

(Surplus)

(alloy)

(State)

mm

(Tensile strength test)

(Hardness)

(Tensile strength)
σ b Mpa

(Non-
proportional Stretching Stress)op0.2 Mpa

(Stretching)
σ%

(Pattern)
mm

HV

HW

6063

T5

all

160

110

8

0.8

58

8

T6

all

205

180

8

6063A

T5

≤10

200

160

5

0.8

65

10

＞10

190

150

5

T6

≤10

230

190

5

＞10

220

180

4

6061

T4

all

180

110

16

T6

all

265

245

8

(Class)

(μm)，not diminish than

耐蚀性

耐磨性

(Min-average
film
thickness)

(Min-part
film
thickness)

CASS

滴碱试验
(S)

落沙试验磨耗系数
(f, g /μm)

(h)

Class

AA10

10

8

16

≥9

≥50

≥300

AA15

15

12

32

≥9

≥75

≥300

AA20

20

16

56

≥9

≥100

≥300

AA25

25

20

72

≥9

≥125

≥300