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DTH egwu egwu egwu / ọkpọkọ ọkpọkọ dị elu maka ịgba egwu, igwu mmiri nke ọma, igwu ala.

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Ọkpụkpọ ọkpọkọ bụ ọkpọkọ ígwè dị elu nke a na-eji na-egwupụta ihe.Dabere na usoro ịkụ ihe na ebumnuche nke ịkụ ọkpọ, ọkpọkọ na-abịa n'ụdị dị iche iche na ogologo ogologo, nke kachasị ogologo bụ 3-10 mita.A na-ejikọta ọkpọkọ ọkpọkọ ọnụ n'otu n'otu ka olulu ahụ na-aga n'ihu na-abanye n'ime akwa akwa.Ọnụ, ọkpọkọ ndị ahụ na-etolite eriri egwu, nke nwere ike ịgbatị ọtụtụ kilomita gbadaa n'ala.

Raw Material: Hot akpọrepu seeamless anwụrụ, si BAO STEEL / TPCO / BAO GANG na na, Kpọmkwem dabere na mkpa ụkpụrụ nnyocha, site mmepụta osisi, nhazi osisi abụọ nnyocha, iji hụ na àgwà nke akụrụngwa.

Na-arụpụta iheProses:Na-ewe iwe—–Ọgwụgwọ okpomọkụ—-Mgbatị—-NDT—- Ịfesa ihe—-Mbukota

Nha		Ọnụ ọgụgụ Lb/ft	Ụdị arọ agbakọrọ		Ọkpụrụkpụ mgbidi
n'ime.	mm	Ọnụ ọgụgụ Lb/ft	lb/ft	n'arọ/m	n'ime.	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