... -160 mm Material:Carbon steel or stainless steel Dishing ends for pressure vessel: Diameter:19mm-12000mmThickness:8mm-150mm Standard:AISI, ASTM ... , GB, DIN, JIS,ASME Technics:Forged Processing:hot mould pressing ,cold mould pressing ,cold ... industry. No cracks , delamination, inclusion ,and other defects Dishing ends for pressure vessel