ASME B16.49 传输和分配系统用工厂预制锻钢对焊感应管弯头
BS EN 14870-1 石油和天然气工业.管道运输系统的感应管弯头
ISO 15590-1 石油和天然气工业 管道输送系统用诱导弯头

Nominal Pipe Size in	Outside diameter O.D.(mm)	BENDING RADIUS(mm)						Angle Bending θ	Tangent Length at Each end	Wall Thickness (mm)
		3D	4D	5D	6D	8D	10D
3"	89	267	356	445	534	712	890	90°,60° 45°,30° 22.5°,or as per the choice of purchaser	350	Sch STD, sch10,Sch20, Sch30,Sch40, Sch80,etc. or as per the choice of purchaser
4"	114	342	456	570	684	912	1140		350
6"	168	504	672	840	1008	1344	1680		350
8"	219	657	876	1095	1314	1752	2190		700
10"	273	819	1092	1365	1638	2184	2730		700
12"	325	975	1300	1625	1950	2600	3250		700
14"	356	1068	1424	1780	2136	2848	3560		700
16"	406	1218	1624	2030	2436	3248	4060		700
18"	457	1371	1828	2285	2742	3656	4570		1000
20"	508	1524	2032	2540	3048	4064	5080		1000
22"	559	1677	2236	2795	3354	4472	5590		1000
24"	610	1830	2440	3050	3660	4880	6100		1000
26"	660	1980	2640	3300	3960	5280	6600		1D (Outside diameter of bend)or as per the choice of purchaser
28"	711	2133	2844	3555	4266	5688	7110
30"	762	2286	3048	3810	4572	6096	7620
32"	813	2439	3252	4065	4878	6504	8130
34"	864	2592	3456	4320	5184	6912	8640
36"	914	2742	3656	4570	5484	7312	9140
38"	965	2895	3860	4825	5790	7720	9650
40"	1016	3048	4064	5080	6096	8128	10160
42"	1067	3201	4268	5335	6402	8536	10670
44"	1118	3354	4472	5590	6708	8944	11180
46"	1168	3504	4672	5840	7008	9344	11680
48"	1219	3657	4876	6095	7314	9752	12190
50"	1270	3810	5080	6350	7620	10160	12700
52"	1321	3963	5284	6605	7926	10568	13210
54"	1372	4116	5488	6860	8232	10976	13720
56"	1422	4266	5688	7110	8532	11376	14220