NO.90R KIWIKO 90 KUPUNGUZA
Nyenzo: Iron Inayoweza Kutengenezwa
Ukubwa: 1/8" - 6"
Kumaliza: Mabati yaliyotiwa moto, Mabati ya Umeme, Nyeusi, Mipako ya Epoxy
Kawaida
1: British Standard
Nyenzo: PREN1562
Vipimo: BSEN10242 BS143&1256
Mizizi: ISO7/1
2: DIN Kawaida
Nyenzo: ISO5922
Vipimo: ISO49 DIN2950
Mizizi: ISO7/1
3: Kiwango cha Marekani
Nyenzo: ASTM A-197 ASTM A-47
Vipimo: ASME B16.30, B16.14, UPIMAJI WA MUUNGANO: B16.39
Mizizi: ANSI B1 20.1