Fonti industriali verificate
- Scheda tecnica per valvole industriali: ASTM A216/A216M covers pressure-containing carbon-steel castings for high-temperature service, including WCA, WCB and WCC grades used for valves.
- Scheda tecnica per valvole industriali: ASTM A351/A351M covers austenitic and austenitic-ferritic steel castings for pressure-containing parts.
- Scheda tecnica per valvole industriali: A material grade must not be selected without considering temperature, corrosion, weldability and heat-treatment requirements.