Izingono
Uhlobo: Kwenziwe ngepayipi lensimbi elingenamthungo
Yenziwe ngepayipi lensimbi elishiselwe
Ukuqedwa: Okumnyama, Okufakwe Okushisayo Okunothayela, Okufakwe ugesi kagesi
Okujwayelekile:American Standard ASTM A733
Izinga lepayipi: ASTM A53
Uchungechunge: ANSI B1.20.1
I-DIN Standard DIN2982
Ipayipi: DIN2440
Ingxenye #:DIN2999
I-British Standard BS EN10241
Ipayipi: BS1387
Uchungechunge: BS21
Usayizi: 1/8″-6″