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API 5L/ASTM A106 GR.B, Paipu kila kabone maʻemaʻe
na admin ma ka 21-01-31

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ʻO ke ahonui o ka nui o ka paipu laina a me ka maʻamau
na admin ma ka 21-01-30
Line paipu kiko'ī: 8-1240×1-200mm maʻamau: API SPEC 5L Hoʻohana: hoʻohana 'ia no ke kinoea, ka wai a me ka aila lawe i loko o ka aila a me ke kinoea 'oihana 。 API SPEC 5L-2007 (laina paipu kiko'ī), i houluulu a hoopukaia e ka American ʻO ka Petroleum Institute, hoʻohana mau ʻia ma ka honua holoʻokoʻa.Laina ...
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Nānā i ka paipu hao ʻole
na admin ma ka 21-01-27
1) ka nānā ʻana i ke anawaena o ka paipu kila maʻemaʻe, ka mānoanoa o ka paia a me ka curvature, ka lōʻihi ma ka papa hoʻokolokolo me ka caliper, micrometer, a kūlou i ka wāwae, ka lōʻihi o ka lipine e nānā ʻia.Hiki ke hoʻohana ʻia ke anawaena o waho, ka mānoanoa o ka paia a me ka lōʻihi.
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ASTM A53
na admin ma ka 21-01-27
ʻO ASTM A53 Standard ka mea maʻamau maʻamau no ka paipu kalapona kalapona, ʻaʻohe mea no nā paipu kalapona ʻole a me nā paipu a i ʻole nā paipu wteel welded, nā paipu ʻole a me nā paipu zinc coated.ʻeleʻele a me ka wela wela
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API 5L/ASTM A53 GR.B, paipu hao hao SSAW
na admin ma ka 21-01-26

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API 5L GR.B/ASTM A53 GR.B, LSAW Paipu kila kalapona
na admin ma ka 21-01-26

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