点击图片查看原图317L不锈钢棒
热轧棒规格型号参照表 models and specifications table of hot-rolled bar
W=0.00793×b×d
单位重量：kg/m 定尺长度：2-6m 热轧、锻造
unit weight:kg/m rated length:2-6m hot rolled,forging
W=0.00793×b×d
单位重量：kg/m 定尺长度：2-6m 热轧、锻造
unit weight:kg/m rated length:2-6m hot rolled,forging
|
直径mm
diameter |
重量kg/m
weight |
直径mm
diameter |
重量kg/m
weight |
直径mm
diameter |
重量kg/m
weight |
直径mm
diameter |
重量kg/m
weight |
直径mm
diameter |
重量kg/m
weight |
|
∮8
|
0.399
|
∮32
|
6.380
|
∮80
|
38.872
|
∮145
|
130.986
|
∮230
|
329.567
|
|
∮10
|
0.623
|
∮35
|
7.632
|
∮85
|
45.012
|
∮150
|
140.175
|
∮240
|
358.848
|
|
∮12
|
0.897
|
∮38
|
8.996
|
∮90
|
50.463
|
∮155
|
149.676
|
∮250
|
389.375
|
|
∮14
|
1.221
|
∮40
|
9.968
|
∮95
|
56.226
|
∮160
|
159.488
|
∮260
|
421.148
|
|
∮15
|
1.402
|
∮42
|
10.99
|
∮100
|
62.3
|
∮165
|
169.612
|
∮270
|
454.167
|
|
∮16
|
1.595
|
∮45
|
12.616
|
∮105
|
68.686
|
∮170
|
180.047
|
∮280
|
488.432
|
|
∮18
|
2.019
|
∮48
|
14.354
|
∮110
|
75.383
|
∮180
|
201.852
|
∮300
|
／
|
|
∮20
|
2.492
|
∮50
|
15.575
|
∮115
|
82.392
|
∮185
|
215.626
|
∮350
|
／
|
|
∮22
|
3.015
|
∮55
|
18.846
|
∮120
|
89.712
|
∮190
|
224.903
|
∮400
|
／
|
|
∮24
|
3.588
|
∮60
|
22.428
|
∮125
|
97.344
|
∮195
|
236.896
|
／
|
／
|
|
∮25
|
3.894
|
∮65
|
26.322
|
∮130
|
105.287
|
∮200
|
249.2
|
／
|
／
|
|
∮28
|
4.884
|
∮70
|
30.527
|
∮135
|
113.542
|
∮210
|
274.743
|
／
|
／
|
|
∮30
|
5.607
|
∮75
|
35.044
|
∮140
|
122.108
|
∮220
|
301.532
|
／
|
／
|
热轧圆棒尺寸、外形允许偏差（GB/T702-1986）Allowable tolerance of dimension and shape of hot rolled round stick
|
圆钢
|
允许偏差
|
||
|
精度组别
|
|||
|
1组
|
2组
|
3组
|
|
|
5.5-7
|
±0.20
|
±0.30
|
±0.40
|
|
＞7-20
|
±0.25
|
±0.35
|
±0.40
|
|
＞20-30
|
±0.30
|
±0.40
|
±0.50
|
|
＞30-50
|
±0.40
|
±0.50
|
±0.60
|
|
＞50-80
|
±0.60
|
±0.70
|
±0.80
|
|
＞80-110
|
±0.90
|
±1.0
|
±1.1
|
|
＞110-150
|
±1.2
|
±1.3
|
±1.1
|
锻制圆棒和方钢尺寸、外形允许偏差（GB/T908-1987）Allowable tolerance of dimension and shape of forging round stick and rectangle steel
单位：mm
|
圆钢直径、方钢边长
|
允许偏差
|
|
|
精度组别
|
||
|
1组
|
2组
|
|
|
＞50-60
|
＋1.5 －1.0
|
＋2.0 －1.0
|
|
＞60-80
|
＋2.0 －1.0
|
＋2.5 －1.0
|
|
＞80-100
|
＋2.5 －1.0
|
＋3.0 －1.0
|
|
＞100-120
|
＋2.5 －1.5
|
＋3.0 －1.5
|
|
＞120-140
|
＋3.0 －1.5
|
＋3.5 －1.5
|
|
＞140-160
|
＋3.0 －2.0
|
＋4.0 －2.0
|
|
＞160-180
|
＋4.0 －2.0
|
＋5.0 －2.0
|
|
＞180-200
|
＋5.0 －2.0
|
＋6.0 －2.0
|
|
＞200-220
|
＋5.0 －3.0
|
＋6.0 －3.0
|
|
＞220-240
|
＋6.0 －3.0
|
＋7.0 －3.0
|
|
＞240-250
|
＋7.0 －3.0
|
＋8.0 －3.0
|
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