Pipa Bor Batu

Katrangan singkat:

DTH bor rod/drill pipe tekanan dhuwur kanggo quarrying, banyu sumur pengeboran, pertambangan

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Pipa pengeboran sing digunakake ing aplikasi kayata DTH / DTHR / DR Sejatine kalebu pipa baja kanthi pin ing sisih siji lan kothak ing sisih liyane.Tugas pipa pengeboran yaiku ngirimake torsi rotasi lan dorongan saka kepala puteran rig pengeboran menyang alat pengeboran bolongan.

Miturut aplikasi sing beda-beda, diameter tabung pengeboran sing beda dibutuhake, ing dasare, palu DTH sing luwih cilik butuh tabung pengeboran DTH sing luwih cilik, kosok balene.Biasane kita nawakake 50mm, 60mm, 76mm, 89mm, 95mm, 102mm, 114mm, 127mm, 140mm, 159mm.

Biasane benang kasebut minangka sambungan API standar, kayata 2 3/8″ API REG thread, 3 1/2″ API REG thread utawa API IF thread, lsp.
Miturut panjalukan pelanggan, saka 1000mm nganti 6000mm dawa pipa kasedhiya.

Ukuran		Nominal massa Lb/ft	Jinis bobot sing diwilang		Ketebalan tembok
ing.	mm	Nominal massa Lb/ft	lb/ft	kg/m	ing.	mm
2 3/8	60.3	6.65	6.26	9.32	0.28	7.11
2 7/8	73	10.4	9.72	14.48	0.362	9.19
3 1/2	88.9	9.5	8.81	13.12	0.254	6.45
3 1/2	88.9	13.3	12.31	18.34	0.368	9.35
3 1/2	88.9	15.5	14.63	21.79	0.449	11.4
3 1/2	88.9	15.5	14.63	21.79	0.449	11.4
4	101.6	14	12.93	19.26	0.33	8.38
4 1/2	114.3	13.75	12.24	18.23	0.271	6.88
4 1/2	114.3	16.6	14.98	22.31	0.337	8.56
4 1/2	114.3	20	18.69	27.84	0.43	10.92
5	127	16.25	14.87	22.15	0.296	7.52
5	127	19.5	17.93	26.71	0.362	9.19
5	127	19.5	17.93	26.71	0.362	9.19
5	127	25.6	24.03	35.79	0.5	12.7
5	127	25.6	24.03	35.79	0.5	12.7
5 1/2	139.7	21.90	19.81	29.51	0.361	9.17
5 1/2	139.7	24.70	22.54	33.57	0.415	10.54