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API 5L Chitoliro Chopanda Chitsulo Chopanda Machubu
API 5L nthawi zambiri imatanthawuza chitoliro cha mzere.
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ASTM A53 Welded ndi Seamless Steel Pipe Steel Tubes
ASTM A 53 imakwirira chitoliro chachitsulo chopanda msoko komanso chowotcherera chokhala ndi makulidwe a khoma.
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ASTM A106 Gr.B Zopanda Zitsulo Zachitsulo Machubu achitsulo
ASTM A106 GR.B carbon seamless steel pipe ndi mtundu wa mapaipi opanda mpweya okhala ndi gawo lopanda kanthu.
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ASTM JIS BS EN Standard Seamless Steel Pipe Steel Tubes
Chitoliro chachitsulo chopanda msoko chimapangidwa ndi zitsulo zozungulira zozungulira, ndipo mapaipi achitsulo opanda msoko wowotcherera pamwamba amatchedwa mapaipi achitsulo opanda msoko.
