Geological prospecting pipes according to TU 14-3-1919-93

Dniprovskiy pipe works offers for delivery Geological prospecting pipes according to TU 14-3-1919-93 and couplings for them according to specification below.

Pipe Outside diameter D	Coupling Outside diameter Dм	Thread internal diameter of coupling dт	Bore diameter dо		Bore depth lо		butt-end width β	Pipe length L		Coupling weight Kg
			Nominal	extreme deviation	Nominal	extreme deviation		Nominal	extreme deviation
mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm
42	+0.9	39,667	44	+0.5	3	2	4	130	±3	1,4
	57
	-0.6
50	+1.0	47,667	52	+0.5	3	2	4	140	±3	1,7
	65
	-0.7
64	+1.2	60,421	65	+0.5	5	2	6	150	±3	2,9
	83
	-0.8

Pipe Outside diameter D	Wall thickness s	Thread length G	Upset				Pipe length L		theoretical weight, kg at density 7.85
			Upset butt-end Internal diameter d1'	Upset end Internal diameter d1'	Upset length not less than l1	Upset length not less than l2	Nominal	Extreme deviation	length for 1 m plaine end part of pipe	pipe weight increase by upsetting of both ends
mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm
42±0.45	+0.6	50	25	22	100	20	1500	100 -50	4.56	0,65
	5.0						3000
	-0.5						4500
50±0.45	+0.66	55	32	28	110	25	1500		6.04	0,96
	5.5						3000
	-0.55						4500
63.5±0.45	+0.72	60	45	40	120	30	3000		8.51	1,57
	6.0						4500
	-0.6						6000

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