1.Name :Stainless Steel Hatch Hinge,marine hinge,deck hinge 2.Material: AISI 316 ... hand polish Specification: 1.Name :Stainless Steel Hatch Hinge,marine hinge,deck hinge,hatch cover hinge2.Material: AISI 316 stainless steel3. ... ray spectrometer. 3-coorcdinate. Computerised numerical. Control measuring ,machining ,pressure inspection up to 200bars ,mechanical values for tensile strength. ,yield stress ...