GOST 16045-70 Weld Nipples for Pipeline Connections by Internal Cone. Design and Dimensions

Weld nipples are intended for connecting pipelines by internal cone. The design and dimensions of the nipples conform to the drawing and table.

Outer diameter of pipes				Thread									Weight of 100 pcs, kg
			Tolerance +0.12 -0.06					Limit deviation
								±0.4	±0.2		±0.4	±0.2
6	4.0	11.0	1.5	M14×1.5	19.6	6.5	17	13	2.5	2.0	26	5	2.17
8	6.0	13.0		M16×1.5		8.5							2.42
10	8.0	15.0		M18×1.5	21.9	10.5	19						2.94
12	10.0	17.0		M20×1.5	25.4	12.5	22		3.0		28	6	3.76
14	12.0	19.0		M22×1.5	27.7	14.5	24						4.27
16	14.0	21.0		M24×1.5	31.2	16.5	27	15			30		5.43
18	15.5	24.0		M27×1.5	34.6	18.5	30						6.48
20	17.5	27.0		M30×1.5	36.9	20.5	32						7.77
22	19.5	29.0		M33×1.5	41.6	22.5	36	16			32		11.39
25	22.5	32.0		M36×1.5	47.3	25.5	41	17			33	7	12.40
28	25.5	35.0		M39×1.5		28.5							12.63
30	27.5	35.5				30.5			3.5		34		12.23
32	29.5	38.0	2.0	M42×1.5	51.3	32.5	46		4.0	2.5	35	8	16.01
34	31.5	41.0		M45×1.5		34.5							16.40
36	33.5	44.0		M43×1.5*	57.7	36.5	50						19.93
38	35.5					38.5							17.39

Material — steel grade 12×18N9T (Kh18N9T).

Technical requirements — per GOST 16078-70.

Example of designation of a weld nipple for pipeline 16:

Weld nipple 16-012 GOST 16045-70

Same, for aviation and general engineering products:

Weld nipple 16-012A GOST 16045-70