規范號
|
牌號
|
下列厚度(mm)時的彎心直徑/厚度比值
|
||||||
≤20
|
>20~25
|
>25~40
|
>40~50
|
>50~75
|
>75~100
|
>100
|
||
A36/A36M
|
-
|
0.5
|
1
|
1.5
|
2.5
|
3
|
3
|
3
|
A242
|
-
|
1
|
1.5
|
2
|
2.5
|
3
|
3
|
-
|
A283/A283M
|
A
B
C
D
|
0
0
0
0.5
|
0
0
0.5
1
|
0.5
0.75
1
1.5
|
1
1.5
2
2.5
|
1.5
2
2.5
3
|
2
2.5
3
3.5
|
2.5
3
3.5
4
|
A284
|
A
B
C
D
|
0
0
0.5
0.5
|
0
0.5
1
1
|
0.5
1
1.5
1.5
|
1
1.5
2
2.5
|
1.5
2
2.5
3
|
2
2.5
3
3.5
|
2.5
3
3.5
4
|
A328
|
-
|
2
|
-
|
-
|
-
|
-
|
-
|
-
|
A514
|
全部
|
2
|
2
|
3
|
3
|
4
|
4
|
-
|
A529
|
G42
G50
|
1
1
|
-
1.5
|
-
2.5
|
-
-
|
-
-
|
-
-
|
-
-
|
A572
|
G42
G50
G60
G65
|
1
1
2
2.5
|
1.5
1.5
2.5
3
|
2
2.5
3
3.5
|
2.5
3
-
-
|
3
3.5
-
-
|
3
4
-
-
|
4
-
-
-
|
A573
|
G65
G70
|
1.5
2
|
1.5
2
|
2
2
|
-
-
|
-
-
|
-
-
|
-
-
|
A588
|
全部
|
1
|
1.5
|
2
|
2.5
|
3
|
3
|
3
|
A633
|
全部
|
2
|
2
|
2.5
|
2.5
|
3
|
3
|
3
|
A656
|
G50
|
≤6:0.5; >6~16?1
|
||||||
G60
|
≤6:1 >6~16:1.5
|
|||||||
G70
|
≤6:1.5 >6~16:2
|
|||||||
G80
|
≤6:2 >6~16:2.5
|
|||||||
A678
|
A
B
C
|
1
2
2
|
2
2
3
|
2
2
3
|
-
2.5
3
|
-
2.5
-
|
-
-
-
|
-
-
-
|
A690
|
-
|
2
|
2
|
-
-
|
-
|
-
|
-
|
-
|
A709
|
G36
G50
G50W
G100
G100W
|
0.5
1
1
2
2
|
1
1.5
1.5
2
2
|
1.5
2.5
2
3
3
|
2.5
3
2.5
3
3
|
3
3.5
3
4
4
|
3
4
3
4
4
|
3
-
3
-
-
――
|
A710
|
全部
|
2
|
2
|
-
|
-
|
-
|
-
|
-
|
A808/A808M
|
-
|
1
|
1.5
|
2
|
2.5
|
3
|
-
|
-
|
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