久久精品aⅴ无码中文字字幕重口,蜜桃久久久电影,欧美最猛,日韩天天射

直縫焊管尺寸規(guī)格表|直縫焊管規(guī)格表|直縫焊管理論重量表-鑫軒管材提供電話0635-8878382 13884830516許建縫焊接鋼管尺寸規(guī)格表|直縫焊管理論重量表

外徑 ／mm	壁  厚／mm
	0.5	0.6	0.8	1.0	1.2	1.4	1.5	1.6	1.8	2.0	2.2	2.5	2.8	3.0	3.2	3.5
	鋼管的理論質(zhì)量／(kg／m)
5	0.055	0.065	0.083	0.099
8	0.092	0.109	0.142	0.173	0.201
10	0.117	0.139	0.181	0.222	0.260
12	0.142	0.169	0.221	0.271	0.320	0.366	0.388	0.410
13		0.183	0.241	0.296	0.343	0.400	0.425	0.450
14		0.198	0.260	0.321	0.379	0.435	0.462	0.489
15		0.123	0.280	0.345	0.408	0.470	0.499	0.529
16		0.228	0.300	0.370	0.438	0.504	0.536	0.568
17		0.243	0.320	0.395	0.468	0.359	0.573	0.608
18		0.257	0.339	0.419	0.497	0.573	0.610	0.647
19		0.272	0.359	0,444	0.527	0.608	0.647	0.687
20		0.287	0.379	0.469	0.556	0.642	0.684	0.726	0.808	0.888
21			0.399	0.493	0.586	0.677	0.721	0.765	0.852	0.937
22			0.418	0.518	0.616	0.7U	0.758	0.805	0.897	0.986	1.074
25			0.477	0.592	0.704	0.815	0.869	0.923	1.030	1.134	1.237	1.387
28			0.537	0.666	0.793	0.918	0.980	1.0412	1.163	1.282	1.400	1.572	1.740
30			0.576	0.715	0.852	0.987	1.054	1.121	1.252	1.381	1.508	1.695	1.878	1.997
32				0.764	0.911	1.065	1.128	1.199	1.341	1.480	1.617	1.1819	2.016	2.145
34				0.814	0.971	1.125	1.202	1.278	1.429	1.578	1.725	1.942	2.154	2.293
37				0.888	1.059	1.229	1.313	1.397	1.562	1.726	1.888	2.127	2.361	2.515

                                                                                                                   直縫焊管產(chǎn)品