... Test No burr and sharp edge Rigorous quality control Tube Plate for Heat ExchangerCarbon steel or stainless steel material,Raw parts are ... casting;Sand casting (Resin sand casting, Green sand casting), etc.Type: Drilling,broaching,milling,turning,planing,grinding,other machining serviceStandard: ANSI ... is in accordance with the ISO 9001:2000 standard Tube Plate for Heat Exchanger