Establishing Injection Mould Ownership Rights under Chinese Commercial Law
Enforce Chinese mould ownership by executing bilingual bailment contracts with explicit lien waivers, permanent steel serialisation, and verified VAT fapiao.
S136 Tooling Steel
Meaning
High-alloy stainless tool steel renowned for its exceptional corrosion resistance, polishability, and wear resistance in demanding manufacturing environments. In plastic injection molding, s136 tooling steel is the preferred choice for producing high-precision, transparent, or chemically aggressive plastic parts. It is widely specified by international brands for molds that require a high-gloss finish.
Material Property
High chromium content provides the steel with its corrosion-resistant characteristics. This prevents rust formation during storage and reduces the need for protective coatings. The material also exhibits excellent machinability, allowing toolmakers to create intricate mold details with high precision.
Production Benefit
Molds constructed from this steel have a longer operational life and require less maintenance. This longevity is critical for high-volume production runs where downtime is costly. The corrosion resistance also protects the mold from the corrosive byproducts of certain plastics, such as polyvinyl chloride.
Supplier Verification
Buyers should verify that the steel used in their molds is genuine s136 tooling steel through material certificate audits. Some suppliers use cheaper local alternatives that look identical but lack the same performance and durability. Independent laboratory testing, such as chemical composition analysis, is recommended to confirm the steel grade before tool construction begins, preventing premature tool failure and unexpected maintenance costs during mass production.