{"id":179,"date":"2026-09-21T03:42:18","date_gmt":"2026-09-21T03:42:18","guid":{"rendered":"https:\/\/largesprocket.top\/product\/heavy-duty-316-ss-sprocket-3-4-inch-pitch-hrc-42-tooth-face-zero-corrosion-after-12-months\/"},"modified":"2026-09-21T06:19:18","modified_gmt":"2026-09-21T06:19:18","slug":"heavy-duty-316-ss-sprocket-3-4-inch-pitch-hrc-42-tooth-face-zero-corrosion-after-12-months","status":"publish","type":"product","link":"https:\/\/largesprocket.top\/it\/prodotto\/heavy-duty-316-ss-sprocket-3-4-inch-pitch-hrc-42-tooth-face-zero-corrosion-after-12-months\/","title":{"rendered":"Pignone rinforzato in acciaio inox 316, passo 3\/4 di pollice \u2014 Superficie dentata HRC 42, zero corrosione dopo 12 mesi"},"content":{"rendered":"
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Hangzhou Ever-Power Sprocket Co., Ltd.<\/p>\n

Two failure modes define the #60 stainless sprocket application: corrosion without mechanical load is handled by standard 316 SS. Mechanical load without corrosion is handled by hardened carbon steel. When both occur simultaneously \u2014 the induction-hardened 316 SS sprocket is the only component that handles both at once.<\/p>\n<\/div>\n

The Dual-Failure-Mode Problem: When Corrosion and Load Overlap<\/h2>\n

Most industrial applications present either a corrosion challenge or a mechanical wear challenge. A bleach-plant conveyor is corrosive but not particularly heavily loaded. A quarry crusher conveyor is heavily loaded but operates in dry air. In these single-variable environments, the specification choice is straightforward. The demanding cases \u2014 fish processing, underground mining in acidic groundwater zones, sawmill log conveyors in coastal humidity \u2014 present both simultaneously. A 3\/4-inch pitch conveyor drive in a salmon processing facility carries substantial product load at moderate speed while exposed to saltwater brine, hypochlorite sanitiser, and fish-acid atmosphere twice a day. Standard annealed 316 SS handles the corrosion excellently. But at the load levels typical of this application, the tooth faces experience roller impact forces that lead to measurable brinelling over 12\u201318 months. The induction-hardened Ever-Power #60 SS Sprocket<\/strong> (HRC 42\u201348 tooth face, annealed 316 SS core) addresses both: corrosion resistance from the 316 SS base material, and impact-wear resistance from the surface-hardened tooth profile.<\/p>\n

\"ANSI<\/p>\n

Induction Hardening on Stainless: How the Process Works<\/h2>\n

Conventional heat treatment of stainless steel \u2014 heating the whole part and quenching \u2014 creates sensitized grain boundaries susceptible to intergranular corrosion: exactly the problem we are trying to avoid. Induction hardening solves this by using an electromagnetic coil to heat only the tooth face surface layer at very high speed (milliseconds), then quenching that surface locally. The core of the tooth, hub, and disc never reach the sensitization temperature range (425\u2013850 \u00b0C) and remain fully annealed. The result:<\/p>\n

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\ud83e\uddb7 Tooth Face \u2014 Hardened Zone<\/div>\n

HRC 42\u201348<\/strong> at 1\u20132 mm depth. Resists roller brinelling under cyclic impact loads. Wear rate reduced by 40\u201360% vs. annealed SS at equivalent loads.<\/p>\n<\/div>\n

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\ud83d\udd29 Core and Hub \u2014 Annealed<\/div>\n

Remains at original annealed hardness (HRB 85\u201395). Full ductility retained for shock absorption. No sensitized grain boundaries \u2014 corrosion resistance unchanged<\/strong>.<\/p>\n<\/div>\n

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\ud83d\udee1\ufe0f Overall Result<\/div>\n

Hard face for wear, tough core for shock, 316 SS chemistry throughout for corrosion. The properties are layered, not traded off against each other.<\/p>\n<\/div>\n<\/div>\n

Specifiche tecniche<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n
Parametro<\/th>\nValore<\/th>\n<\/tr>\n<\/thead>\n
Numero di catena<\/td>\nANSI 60<\/td>\n<\/tr>\n
Pece<\/td>\n19,05 mm (3\/4\u2033)<\/td>\n<\/tr>\n
Roller Dia.<\/td>\n11,91 mm<\/td>\n<\/tr>\n
Materiale<\/td>\n316 SS (standard) \/ 304 SS on request<\/td>\n<\/tr>\n
IH Tooth Face Hardness<\/td>\nHRC 42\u201348 (tempra a induzione opzionale)<\/td>\n<\/tr>\n
Gamma di denti<\/td>\n8T \u2013 72T<\/td>\n<\/tr>\n
Conformit\u00e0<\/td>\nANSI B29.1 Classe A, ISO 9001:2015<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

When to Specify IH \u2014 and When Standard Annealed SS Is Enough<\/h2>\n

Not every #60 SS application benefits from induction hardening. The added cost is justified when:<\/p>\n