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ASTM A53
site admin na 21-01-27
Standardkpụrụ ASTM A53 bụ ọkọlọtọ a na-ahụkarị maka ọkpọkọ carbon nchara, n'agbanyeghị maka ọkpọkọ carbon na ọkpọkọ ma ọ bụ ọkpọkọ wtel welded, ọkpọkọ ọkpọkọ na ọkpọkọ zinc, etinyere ya n'ọtụtụ ụlọ ọrụ, dị ka mmiri, mkpokọ nkịtị ma ọ bụ ngwa nrụpụta.Oji na-ekpo ọkụ Galv...
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API 5L/ASTM A53 GR.B, SSAW Carbon Steel Pipe
site admin na 21-01-26

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API 5L GR.B/ASTM A53 GR.B, LSAW Carbon Steel Pipe
site admin na 21-01-26

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API 5L/ASTM A53 GR.B, ERW Carbon Steel Pipe
site admin na 21-01-26

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API 5L/ASTM A106 GR.B, Carbon Steel Pipe
site admin na 21-01-26

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Ọkụ ọgwụgwọ ọkụ ọkpọkọ mmanụ
site admin na 21-01-21
Na ihe isi ike nke ịba ụba mmanụ, omimi miri emi ike larịị maka mmanụ ọma ọkpọkọ aghọwo esiwanye-achọsi ike, J55 ígwè ọkwa mmanụ casing enwebeghị ike izute ihe ndị a chọrọ, N80 ígwè ọkwa ọkwa aghọwo ihe na-emekarị, P110, Q125 na ndị ọzọ ígwè ọkwa. jiri...
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