Daidaitaccen girman Ansi-daidaitattun bawul

DaDuba bawulAn tsara shi, kerarre, an samar da kuma an gwada shi bisa ga ka'idar AmurkaDuba bawul, don haka menene daidaitaccen ma'aunin AmurkaDuba bawul? Menene banbanci tsakanin shi da daidaitaccen ma'auni na ƙasa? A halin yanzu, daidaitaccen girman abokin cinikiDuba bawulYa fi shahara da za a tsara kuma an samar dashi daidai da ka'idojin API da ASME, da yawa ka'idojin bawul na bawul na Amurka suna gama gari a cikin duniya. Matsakaicin girman ƙa'idodin Bala'i Bakwai na Amurka kamar haka: Matsakaicin Matsayi: Api 68, API 69,SE, GB / T: Asme B16.47, Asme B16.47, Asme B16.25, GB / T 9113, JB / t 79, GB / T 13927Duba bawulda ka'idojin ƙasaDuba bawulsune kamar haka: 1. Unit na diamita na maras muhimmanci ya bambanta; 2. Mark mai flah ya bambanta; 3. Tsawon tsarin ya bambanta; 4. Abubuwan dubawa sun bambanta.