5A02鋁
其塑性較高,成形良好,而強度較低,合金的焊接性好
5A02 為Al-Mg系防銹型鋁合金,不可熱處理強化。該合金的鎂含量較低,其塑性較高,成形良好,而強度較低,但比3A21合金的強度高。冷變形可以提高其強度,而塑性降低。合金的耐蝕性良好,適于在海洋環境中使用。合金的焊接性好。其切削加工性在退火狀態差,半冷作櫻花狀態可以改善切削加工性。
化學成分% Chemical Compoition
|
牌號
|
舊牌號
|
Si
|
Fe
|
Cu
|
Mn
|
Mg
|
Cr
|
Zn
|
Ti
|
Zr
|
添加元素
|
其他
|
Al
|
|
單個
|
合計
|
|
5A02
|
LF2
|
0.40
|
0.40
|
0.10
|
0.15-0.40
|
2.0-2.8
|
—
|
—
|
0.15
|
—
|
Si+Fe 0.60
|
0.05
|
0.15
|
余量
|
典型用途 Typical use
5A02合金適用于有高度工藝塑性要求和耐蝕性好的焊接結構和容器,如油箱、汽油和潤滑油導管、指甲、法蘭盤、以及輕載荷的零件,船舶、車輛的內部裝飾件等,線材用作鉚釘或焊條。
質量特征 Quality Characteristics
密度：2.750g/cm3。
|
牌號
|
狀態
|
厚度/mm
|
抗拉強度 Rm/Mpa
|
屈服強度Rp0.2/Mpa
|
延伸率/%
|
彎曲半徑α
|
硬度/ HBWα
|
|
A50mm
|
A5.65
|
180°
|
90°
|
|
不 小 于
|
|
|
5A02
|
Fα
|
≥2.5~80.0
|
165
|
—
|
—
|
—
|
—
|
—
|
—
|
|
0、H111
|
>0.2~0.5
|
170~215
|
65
|
12
|
—
|
0t
|
0t
|
47
|
|
>0.5~1.5
|
170~215
|
65
|
14
|
—
|
0t
|
0t
|
47
|
|
>1.5~3.0
|
170~215
|
65
|
16
|
—
|
0.5t
|
0.5t
|
47
|
|
>3.0~6.0
|
170~215
|
65
|
18
|
—
|
—
|
1.0t
|
47
|
|
>6.0~12.5
|
170~215
|
65
|
19
|
—
|
—
|
2.0t
|
46
|
|
>12.5~80.0
|
170~215
|
65
|
—
|
18
|
—
|
—
|
46
|
|
H112
|
≥6.0~12.5
|
190
|
80
|
7
|
|
—
|
—
|
55
|
|
>12.5~40.0
|
170
|
70
|
—
|
10
|
—
|
—
|
47
|
|
>40.0~80.0
|
170
|
70
|
—
|
14
|
—
|
—
|
47
|
|
H12
|
>0.2~0.5
|
210~260
|
160
|
4
|
—
|
—
|
—
|
63
|
|
>0.5~1.5
|
210~260
|
160
|
5
|
—
|
—
|
—
|
63
|
|
>1.5~3.0
|
210~260
|
160
|
6
|
—
|
—
|
—
|
63
|
|
>3.0~6.0
|
210~260
|
160
|
8
|
—
|
—
|
—
|
63
|
|
>6.0~12.5
|
210~260
|
160
|
10
|
—
|
—
|
—
|
63
|
|
>12.5~40.0
|
210~260
|
160
|
—
|
9
|
—
|
—
|
63
|
|
H14
|
>0.2~0.5
|
230~280
|
180
|
3
|
—
|
—
|
—
|
69
|
|
>0.5~1.5
|
230~280
|
180
|
3
|
—
|
—
|
—
|
69
|
|
>1.5~3.0
|
230~280
|
180
|
4
|
—
|
—
|
—
|
69
|
|
>3.0~6.0
|
230~280
|
180
|
4
|
—
|
—
|
—
|
69
|
|
>6.0~12.5
|
230~280
|
180
|
5
|
—
|
—
|
—
|
69
|
|
>12.5~25.0
|
230~280
|
180
|
—
|
4
|
—
|
—
|
69
|
|
H16
|
>0.2~0.5
|
250~300
|
210
|
2
|
—
|
—
|
—
|
76
|
|
>0.5~1.5
|
250~300
|
210
|
3
|
—
|
—
|
—
|
76
|
|
>1.5~3.0
|
250~300
|
210
|
3
|
—
|
—
|
—
|
76
|
|
>3.0~6.0
|
250~300
|
210
|
3
|
—
|
—
|
—
|
76
|
|
H18
|
>0.2~0.5
|
270
|
240
|
1
|
—
|
—
|
—
|
83
|
|
>0.5~1.5
|
270
|
240
|
2
|
—
|
—
|
—
|
83
|
|
>1.5~3.0
|
270
|
240
|
2
|
—
|
—
|
—
|
83
|
|
H22、H32
|
>0.2~0.5
|
210~260
|
130
|
5
|
—
|
1.5t
|
0.5t
|
61
|
|
>0.5~1.5
|
210~260
|
130
|
6
|
—
|
1.5t
|
1.0t
|
61
|
|
>1.5~3.0
|
210~260
|
130
|
7
|
—
|
1.5t
|
1.5t
|
61
|
|
>3.0~6.0
|
210~260
|
130
|
10
|
—
|
—
|
1.5t
|
61
|
|
>6.0~12.5
|
210~260
|
130
|
12
|
|
—
|
2.5t
|
61
|
|
>12.5~40.0
|
210~260
|
130
|
—
|
12
|
—
|
—
|
61
|
|
H24、H34
|
>0.2~0.5
|
230~280
|
150
|
4
|
—
|
2.0t
|
0.5t
|
67
|
|
>0.5~1.5
|
230~280
|
150
|
5
|
—
|
2.0t
|
1.5t
|
67
|
|
>1.5~3.0
|
230~280
|
150
|
6
|
—
|
2.0t
|
2.0t
|
67
|
|
>3.0~6.0
|
230~280
|
150
|
7
|
—
|
—
|
2.5t
|
67
|
|
>6.0~12.5
|
230~280
|
150
|
9
|
—
|
—
|
3.0t
|
67
|
|
>12.5~25.0
|
230~280
|
150
|
—
|
9
|
—
|
—
|
67
|
|
H26、H36
|
>0.2~0.5
|
250~300
|
180
|
3
|
—
|
—
|
1.5t
|
74
|
|
>0.5~1.5
|
250~300
|
180
|
4
|
—
|
—
|
2.0t
|
74
|
|
>1.5~3.0
|
250~300
|
180
|
5
|
—
|
—
|
3.0t
|
74
|
|
>3.0~6.0
|
250~300
|
180
|
6
|
—
|
—
|
3.5t
|
74
|
|
H28、H38
|
>0.2~0.5
|
270
|
210
|
3
|
—
|
—
|
—
|
81
|
|
>0.5~1.5
|
270
|
210
|
3
|
—
|
—
|
—
|
81
|
|
>1.5~3.0
|
270
|
210
|
4
|
—
|
—
|
—
|
81
|
