Drill Steel

Whakaahuatanga Poto:

DTH drill rod/drill pipe pehanga teitei mo te keri, keri poka wai, keri.

Karere Īmēra

Taipitopito Hua

Tohu Hua

Ko te putorino, ko te ahua poto o te putorino kohao, he ahua o te rakau tarai papa o waho.Kei te whakamahia te nuinga i roto i te keri percussive hurihuri kei roto nga hau me te wai.Ko ona waahanga matua ko te paipa (rod) tinana me te hononga.

Ko ta maatau putorino kohao ki raro ka hangaia i runga i nga paerewa API.A, i runga i nga whakaritenga motuhake, ka whakaratohia ano e matou tenei momo putorino i roto i nga korero rereke Hainamana me Amerika.

Mo ona painga, he ahuatanga o te rigidity nui, te kaha hiri pai, te hanganga o waho papatahi, me te taipana iti me te aukati i te wa e huri ana.

Mo te kohinga, he paihere paipa keri ka whakakiia e tetahi huinga anga rino, a he paihere he 9 ki te 40 paipa wiri.

Raw Material: Hot rolled seeamless pipe, from BAO STEEL/TPCO/BAO GANG and so on, Tino i runga i nga paerewa e tika ana te tirotiro, na roto i te tipu whakaputa, te tipu tukatuka e rua nga tirotiro, ki te whakarite i te kounga o nga rauemi mata.

whai huaPraihi:Whakararuraru——Te Wehana—-Whakatika—-NDT—-Te Mapu Pee—-Taka.

Rahi		Papatipu ingoa Lb/ft	Momo taumaha kua tatauhia		Te matotoru o te pakitara
i roto.	mm	Papatipu ingoa Lb/ft	lb/ft	kg/m	i roto.	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