Ko te tohu ASTM A179, A192, A210 e hipoki ana i te waro maitai ngongo Seamless mo te ratonga pāmahana teitei.Ko enei putorino e whakamahia ana he whakawhiti wera, he whakamaarama, he Mahinga Maamaa Teitei me tuku ki te Whakatakotoranga A 530.
Ko te GB5310-2008 e pa ana ki nga ngongo korekore mo te hanga korohu mamaoa he teitei, teitei ake ranei te pehanga me nga ngongo kore e whakamahia hei paipa.
ASTM A179 / A179M - 90a Whakatakotoranga Paerewa mo te Hunga-Mao-Mao-Haariki Te Whakawhiti Wea-Whakawhiti me nga Kore Whakawhiti.
ASTM A192 / A192M Whakatakotoranga Paerewa mo nga Tuhi Wao Maama Kohua Moore mo te Ratonga Whakanui-Teitei.
ASTM A210/ASME SA210 Whakatakotoranga Paerewa mo te Kohua Maama-Waowa Maama Maamaa me nga Kore-whakawera.
Wā tuku: Hūrae-29-2023