Membrane This item was sourced on www.MFG.com as one of the items in an RFQ in USA for Stamping Flame cut or stamped / hardened and tempered HRC 37-42 European material classification : 50CRV4 Approx size 1459.5mm dia. Center hole approx 648mm dia. Part Part Number: 3G48G0000M Material: Alloy Steel Material Grade: Technical Specifications Category:Stamping Dimensions0.0 x 0.0 inch Annual Usage:300.0 Are you looking for suppliers (machine shops, fabricators, casters, molders, 3D printing, CNC machining, etc.) to provide manufacturing services for machine tool industry, automotive industry? For more information visit MFG.com. MFG.com performs a 5-point inspection on all engineered parts and RFQs to ensure quality and enhance your online quoting experience Stamping: Metal stamping is an effective way of producing formed sheet metal parts at an extremely high rate. The metal stamping dies are placed in presses and each cycle of the press produces a formed part. Common stamping processes include blanking, progressive die, deep drawing, Fourslide or multi-slide, coining, drop hammer, embossing, flexible die forming and die cutting.