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Sugatsune stainless steel piano hinge is a 1-1/4 inch wide weld-on hinge in a 17-23/32 inch length that creates a continuous pivot line across a door or panel, so loads are spread along the full run instead of concentrating at two points. This hinge is made from 304 stainless steel, which provides corrosion-resistant performance in typical shop, cabinet, or equipment environments where moisture or cleaning is present. The hinge uses a double folded construction, which increases rigidity along the barrel and leaf, helping doors stay aligned over time under repeated use. The design is intended as a weld-on component, so it suits metal doors, lids, or panels where a continuous hinge is required. The long continuous barrel supports smooth pivoting, which helps doors operate consistently once mounted to the frame or casework.
This piano hinge is defined as a 1-1/4 inch wide weld-on hinge in a 17-23/32 inch length, giving installers clear leaf width and run length dimensions to lay out the weld pattern on a door and frame. Because the hinge is designed as a continuous piano hinge, it runs nearly the full edge of the door or panel, which simplifies alignment by using the straight hinge barrel as a reference line during fabrication. The 304 stainless steel material responds to welding techniques suitable for stainless, so the hinge can be attached to compatible stainless or other weldable substrates according to the process used in the shop. The double folded construction adds stiffness along the leaf, which supports welding at multiple locations while helping maintain a straight pivot axis through the barrel.
This 1-1/4 inch wide weld-on piano hinge, identified as LSN15-32-450, functions as a continuous hinge for doors, lids, or access panels that benefit from full-length support. The 17-23/32 inch length suits applications where a single hinge run needs to cover most of the edge without segmenting into multiple shorter hinges, which helps create a clean, continuous pivot. Because it is fabricated from 304 stainless steel, the hinge works in settings where exposure to moisture, cleaning, or indoor humidity is expected, such as cabinets, enclosures, or equipment housings that demand corrosion-resistant hardware. The double folded construction increases rigidity along the hinge, which supports doors that experience frequent operation, as the increased stiffness helps the hinge hold alignment between the door and the frame. The continuous design provides uniform support along the pivot line, which can reduce localized stress on mounting welds during repeated opening cycles.
The double folded construction of this Sugatsune stainless steel piano hinge provides extra rigidity, which helps maintain a straight hinge barrel after welding so the door swings without binding along its length. The crimped knuckles on both ends are designed to prevent the pin from being removed, which keeps the hinge functioning as a single fixed assembly during service and reduces the chance of the pin backing out under vibration. Because the hinge pin does not occupy the crimped end knuckles, those end sections can be fully crimped for retention while the active knuckles handle rotation, helping the hinge pivot smoothly once aligned. The 1-1/4 inch width gives welders a predictable leaf dimension to position on the door and frame edges, supporting accurate spacing from the edge for alignment with other hardware. The 17-23/32 inch length offers a defined span that fabricators can match to door height or panel length when laying out hinge locations along a series of doors or access points on a project.
The hinge is 1-1/4 inches wide and 17-23/32 inches long, so it provides a continuous hinge line across most medium-height doors or panels where that run length is required.
The LSN15-32-450 piano hinge is made from 304 stainless steel, which supports corrosion-resistant performance in many indoor or sheltered environments where moisture or cleaning is present.
This hinge is described as a weld-on piano hinge, so it is intended to be welded along the leaf to compatible door and frame materials during fabrication.
The hinge uses double folded construction, which increases rigidity along the hinge so doors stay better aligned and the barrel resists flexing during repeated use.
The knuckles on both ends are crimped to prevent the pin from being removed, keeping the hinge assembled and helping it stay secure in service.
The hinge pin does not occupy the crimped end knuckles so those ends can be fully crimped for retention, while the active central knuckles provide smooth pivot action.
This Sugatsune stainless steel piano hinge in a 1-1/4 inch width and 17-23/32 inch length offers a continuous, weld-on solution where a full-length hinge line is needed. The 304 stainless steel construction, double folded rigidity, and crimped pin design work together to support doors, lids, or panels that need stable, corrosion-resistant pivoting in service. For projects that call for a defined stainless piano hinge size with a continuous run and fixed pin retention, this LSN15-32-450 hinge provides the key characteristics in a single, weld-ready component.