Miro Waea Rino Pirau
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Aho Waea Rino Pirau Paerewa ASTM A475
Ko te ASTM A475 te paerewa mō te taura waea rino piauau i whakatūria e te American Society for Testing and Materials.
ASTM A475 – E kapi ana tēnei whakatakotoranga i ngā momo waea maitai pania konutea e rima o te akomanga A, arā, ko ngā Utilities, Common, Siemens-Martin, High-Strength, me Extra High-Strength, e tika ana mō te whakamahi hei waea tangata me te waea karere. -
BS183:1972 Miro Waea Rino Pirau Paerewa
Ko te BS 183:1972 te Paerewa o Peretānia e whakamārama ana i ngā whakaritenga mō ngā aho waea maitai piauau whānui.
BS 183:1972 Whakatakotoranga mō te aho waea maitai whakapūmau whānui