钢管外径壁厚对照表
脚手架钢管壁厚标准是多少？
脚手架钢管壁厚标准是多少？
厚度为3.6毫米。
脚手架是为保证各施工工序顺利进行而设置的工作平台。按搭设位置分为外脚手架和内脚手架；根据材料不同，可分为木脚手架、竹脚手架、钢管脚手架；按结构形式可分为直立式脚手架、桥式脚手架、门式脚手架、悬吊式脚手架、悬挂式脚手架、挑式脚手架和爬升式脚手架。
管道的标准内径的定义是什么？
管道的直径可分为外径、内径和公称直径。
无缝钢管的外径用字母D表示，后面是外径的尺寸和壁厚。比如外径为108的无缝钢管，壁厚为5MM，用D108*5表示，塑料管也用外径表示，比如D
gb17395外径与壁厚对照？
GB/T17395是无缝钢管的一个标准，涉及的钢管很多。选择一些零件作为参考，比较外径和壁厚如下:
10x 0.25/1.0/2.0/3.0/3.5mm；
13.5 x 0.25/1.0/2.0/3.0/4.0mm；
17x 0.25/1.0/2.0/3.0/4.0/5.0mm；
21x 0.4/1.0/2.0/3.0/4.0/5.0/6.0mm；
27x 0.4/1.0/2.0/3.0/4.0/5.0/6.0/7.0mm；
34x 0.4/1.0/2.0/3.0/4.0/5.0/6.0/7.0/8.0mm；
42x 1.0/2.0/3.0/4.0/5.0/6.0/7.0/8.0/9.0/10mm；
48x 1.0/2.0/3.0/4.0/5.0/6.0/7.0/8.0/9.0/10/11/12毫米；
60x1.0/2.0/3.0/4.0/5.0/6.0/7.0/8.0/9.0/10/11/12/13/14/15/16毫米；
76x 1.0/2.0/3.0/4.0/5.0/6.0/7.0/8.0/9.0/10/11/12/13/14/15/16/17/18/19/20mm；
89x 1.4/2.0/3.0/4.0/5.0/6.0/7.0/8.0/9.0/10/11/12/13/14/15/16/17/18/19/20/22/24毫米；
114 x 1.5/2.0/3.0/4.0/5.0/6.0/7.0/8.0/9.0/10/11/12/13/14/15/16/17/18/19/20/22/24/25/26/28/30mm；
140 x 3.0/4.0/5.0/6.0/7.0/8.0/9.0/10/11/12/13/14/15/16/17/18/19/20/22/24/25/26/28/30/32/34/36毫米；
168 x 3.5/4.0/5.0/6.0/7.0/8.0/9.0/10/11/12/13/14/15/16/17/18/19/20/22/24/25/26/28/30/32/34/36/38/40/42/45mm；
219 x 6.0/7.0/8.0/9.0/10/11/12/13/14/15/16/17/18/19/20/22/24/25/26/28/30/32/34/36/38/40/42/45/48/50/55mm；
273 x 6.5/7.0/7.5/8.0/8.5/9.0/9.5/10/11/12/13/14/15/16/17/18/19/20/22/24/25/26/28/30/32/34/36/38/40/42/45/48/50/55/60/70/75/88
325 x 7.5/8.0/8.5/9.0/9.5/10/11/12/13/14/15/16/17/18/19/20/22/24/25/26/28/30/32/34/36/38/40/42/45/48/50/55/60/65/70/75/80/85/90/90
356 x 9.0/9.5/10/11/12/13/14/15/16/17/18/19/20/22/24/25/26/28/30/32/34/36/38/40/42/45/48/50/55/60/65/70/75/80/85/90/95/100mm；
406x9.0/9。5/10/11/12/13/14/15/16/17/18/19/20/22/24/25/26/28/30/32/34/36/38/40/42/45/48/50/55/60/65/70/75/80/85/90/95/100mm；
457 x 9.0/9.5/10/11/12/13/14/15/16/17/18/19/20/22/24/25/26/28/30/32/34/36/38/40/42/45/48/50/55/60/65/70/75/80/85/90/95/100mm；
508 x 9.0/9.5/10/11/12/13/14/15/16/17/18/19/20/22/24/25/26/28/30/32/34/36/38/40/42/45/48/50/55/60/65/70/75/80/85/90/95/100/110mm；
610 x 9.0/9.5/10/11/12/13/14/15/16/17/18/19/20/22/24/25/26/28/30/32/34/36/38/40/42/45/48/50/55/60/65/70/75/80/85/90/95/100/110/120
711 x12/13/14/15/16/17/18/19/20/22/24/25/26/28/30/32/34/36/38/40/42/45/48/50/55/60/65/70/75/80/85/90/95/100/110/120mm；
813 x24/25/26/28/30/32/34/36/38/40/42/45/48/50/55/60/65/70/75/80/85/90/95/100/110/120mm；
914 x25/26/28/30/32/34/36/38/40/42/45/48/50/55/60/65/70/75/80/85/90/95/100/110/120毫米；
1016 x25/26/28/30/32/34/36/38/40/42/45/48/50/55/60/65/70/75/80/85/90/95/100/110/120毫米.