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API 5L Ailokun Irin Pipe Welded Irin Falopiani
API 5L ni gbogbogbo tọka si paipu laini.
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ASTM A53 Welded ati Alailẹgbẹ Irin Pipe Irin Awọn tubes
ASTM A 53 ni wiwa laisiyonu ati paipu irin welded pẹlu sisanra odi ipin.
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ASTM A106 Gr.B Alailowaya Irin Pipe Irin Awọn tubes
ASTM A106 GR.B erogba seamless, irin pipe jẹ iru kan ti erogba seamless oniho pẹlu ṣofo apakan.
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ASTM JIS BS EN Standard Seamless Steel Pipe Steel Tubes
Irin pipe paipu jẹ ti perforated gbogbo irin yika, ati awọn irin oniho lai weld pelu lori dada ni a npe ni seamless irin oniho.
