Wodulidwa & wosawoneka bwino - magiredi osiyanasiyana mu eloy chitsulo, chitsulo cha kaboni,
Khoka-Nickel, duplex, super duplex ndi zitsulo zopota

Mapaipi opanda pake (15 mm mpaka 600 mm)
Carbon chitsulo, chitsulo chosapanga dzimbiri komanso chitsulo chochepa cha kaboni, mapaipi osawoneka.
According to ASTM-106, API 5 L, ASTM A53 GRADE A/B, ASTM A-333, ASTM A-335, ASTM A-312, DIN 2440/2441, BS3601/3602/1387

Mapaipi oyang'anira (15 mm mpaka 2000 mm)
ORW, LSAW, HSAW, EFW
Malinga ndi API 5l, Astme A53 A53 ASTM A671 / 672, BS138/241
Onsemitundumkate ndi muyezo wabwinobwinondifunsani fakitale kuti mupezeZambiriKusintha Kwapadera.