Jenny

By Jenny Microhardness testing for mold inserts is a localized indentation test used to compare specified areas, not a stand-alone proof of material grade or insert performance. Buyers should approve a report only when it identifies the insert or coupon, test method, force, preparation, mapped locations, individual values, and any relevant verification or uncertainty information. […]

By Jenny PVD coating adhesion testing for mold components is most useful when a buyer treats it as evidence about one defined coating-and-substrate system, not as a universal score. A scratch report should identify the failure event, test conditions, part or coupon identity, and images. Approval should also protect functional mold faces and connect test

By Jenny PVD coating thickness testing for mold components should answer a defined acceptance question: what deposited film is present, where on the identified part, by which validated method, and with what uncertainty. It does not by itself prove hardness, adhesion, nitrided case depth, or mold life. Agree the measurement plan and acceptance limits before

By Jenny Case depth testing for nitrided mold components should be approved from a documented cross-sectional hardness profile, not from one surface reading or an etched visual boundary. The buyer, heat treater, and laboratory need to agree on the critical feature, section orientation, Vickers method, distance datum, hardness criterion, core reference, and traceability before any

By Jenny Charpy impact testing for mold steel is a destructive measurement of absorbed energy when a specified notched specimen fractures under impact. It can support a material-acceptance decision only when the coupon, heat-treatment condition, notch, orientation, temperature, machine setup, results, and report traceability represent the steel you ordered. A grade name or hardness result

By Jenny Retained austenite testing for mold steel is most useful when a buyer needs a traceable phase-fraction result tied to a defined material condition, location, and acceptance decision. Ask for an XRD report that identifies the lot, sample, preparation, method applicability, uncertainty, and reporting limit—then compare like with like rather than treating one surface

By Jenny Nonmetallic inclusion testing for mold steel is useful only when the buyer defines the rating method, sampling plan, traceability and disposition before material is released. A reported rating describes the examined specimen under stated conditions; it is not a blanket certificate for an entire heat, every billet or a finished mold component. What

By Jenny Grain size testing for mold steel is a metallographic check of crystal regions revealed on a prepared section—not a universal quality grade. Buyers should define the structure to be measured, sampling location, method, report content, acceptance criterion, and disposition before testing. A grain-size result can support material approval, but it cannot alone prove

By Jenny Ultrasonic testing (UT) can help a mold-steel buyer investigate hidden discontinuities before machining or at a defined production stage. Its value depends on a written inspection scope: the product form, accessible volume, procedure, reference basis, acceptance criteria, and record of any indication. A UT result is evidence within that scope—not a universal guarantee

By Jenny Magnetic particle testing for mold components is a targeted way to screen eligible ferromagnetic parts for surface and slightly subsurface discontinuities before release or reuse. It is not a universal crack-free certification. Buyers get useful results when they confirm material eligibility, define the inspection zone and acceptance rules, and protect precision surfaces throughout