90度碳钢弯管是采用了成套弯曲模具进行弯曲的,分为冷煨与热推两种工艺。按照材质划分有碳钢: ASTM/ASME A234 WPB、WPC;合金: ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP911、15Mo3 15CrMoV、 35CrMoV;不锈钢:ASTM/ASME A403 WP 304-304L-304H-304LN-304N/ASTM/ASME A403 WP 316-316L-316H-316LN-316N-316Ti/ASTM/ASME A403 WP 321-321H/ASTM/ASME A403 WP 347-347H等。90度碳钢弯管主要以针对油、气、液等介质进行输送。