GB/T14985-1994 膨脹合金生產(chǎn)標準
直 徑
|
允許偏差
|
直 徑
|
允許偏差
|
0.10~0.20
|
±0.005
|
>0.50~1.50
|
±0.015
|
>0.20~0.30
|
±0.008
|
>1.50~3.00
|
±0.020
|
>0.30~0.50
|
土0.010
|
>3.00~7.00
|
±0.030
|
外徑/mm
|
允許偏差
|
||
外徑/mm
|
內徑/mm
|
壁厚(%)
|
|
0.3~3
|
+0.03
|
-0.03
|
±10
|
>3~5
|
+0.04
|
-0.04
|
±10
|
>5~10
|
+0.08
|
-0.08
|
±10
|
>10~25
|
+0.12
|
-0.12
|
士10
|
>25~60
|
+ф外x0.6%
|
-ф外×0.6%
|
±10
|
厚 度
|
規(guī)定寬度范圍內的寬度允許偏差
|
||||||
尺 寸
|
允許偏差
|
切邊后的寬度
|
不切
邊
|
||||
較高精度
|
普通精度
|
15~150
|
150~220
|
220~300
|
300-400
|
||
0.02~0.04
|
-0.003
|
-0.005
|
±0.13
|
±0.13
|
±0.25
|
±0.40
|
+5
|
>0.04~0.05
|
-0.008
|
-0.010
|
|||||
>0.05~0.10
|
-0.010
|
-0.015
|
|||||
>0.10~0.20
|
-0.015
|
-0.020
|
|||||
>0.20~0.30
|
-0.020
|
-0.030
|
|||||
>0.30~0.40
|
-0.030
|
-0.040
|
|||||
>0.40~0.50
|
-0.040
|
-0.050
|
|||||
>0.50~0.70
|
-0.040
|
-0.060
|
|||||
>0.70~1.00
|
-0.050
|
-0.070
|
|||||
>1.00~1.30
|
-0.060
|
-0.080
|
|||||
>1.30~1.70
|
-0.080
|
-0.100
|
|||||
>1.70~2.50
|
-0.100
|
-0.110
|
±0.20
|
±0.25
|
±0.25
|
±0.40
|
直 徑
|
允許偏差級別
|
||
9(h9)
|
10(h10)
|
11(h11)
|
|
1~3
|
-0.024
|
-0.040
|
-0.060
|
>3~6
|
-0.030
|
-0.048
|
-0.075
|
>6~10
|
-0.036
|
-0.058
|
-0.090
|
>10~20
|
-0.043
|
-0.070
|
-0.110
|
>20~30
|
-0.052
|
-0.084
|
-0.130
|
>30~40
|
-0.062
|
-0.100
|
-0.160
|
直徑或邊長
|
允許偏差
|
|
較高精度
|
普通精度
|
|
20.0~50.0
|
|
+1.5~0.5
|
>50.0~70.0
|
+1.5 ~1.0
|
+2.0~1.0
|
>70.0~100.0
|
+2.5~1.0
|
+3.0~1.0
|
>100.0~120.0
|
+2.5~1.5
|
+3.0~1.5
|
>120.0~140.0
|
+3.0~1.5
|
+3.5~1.5
|
>140.0~160.0
|
十3.0~2.0
|
+4.0~2.0
|
>160.0~180.0
|
+4.0~2.0
|
+5.0~2.0
|
>180.0~200.0
|
+5.0~2.0
|
+6.0~2.0
|
直徑或邊長
|
允許偏差
|
直徑或邊長
|
允許偏差
|
6.0~9.0
|
±0.25
|
>30.0~50.0
|
±0.50
|
>9.0~20.0
|
±0.30
|
>50.0~100.0
|
±0.65
|
>20.0~30.0
|
±0.40
|
|
|
厚 度
|
允許偏差
|
寬 度
|
允許偏差
|
3.0~4.0
|
±0.2
|
20~300
|
+2
-l
|
>4.0~7.0
|
±0.25
|
||
>7.0~13.0
|
±0.3
|
||
>13.0~22.0
|
±0.4
|
聯(lián)系電話:021-65616598
021-65613389
移動電話: 13661704135
13122459187
MSN: sus631@hotmail.com