In process of processing hardware parts in stamping factories, the raw materials used are closely related to stamping production, and the quality of materials directly affects the planning of stamping process, stamping part quality, product service life, and stamping part cost. Therefore, to stably produce excellent Metal Stamping parts, the raw materials used for stamping should meet certain performance requirements to adapt to the deformation requirements during the stamping process.

1,The strength limit is the ability of metal materials to resist deformation and cracking under external forces. Commonly used strength limits include:

1. Ferrum ferrum: refert to the ratio between the metal material and its original cross-section under the effect of external force;

2. Fortitudo Tensilica: referit ad ratio inter maxima fortitudinem tensilae, quam materia metalla resistere potest, et intersectionem originalem eius intersectionem;

3. Vera fortitudo: refers to the maximum stress at which a metal material will not be damaged under the force effect of shear. Performatio metallorum, quod perpetuum deformationem sub externis fortibus, sine causa damnationis, plasticitatem appellatur. The commonly used plasticity indicators are:

1. Elongation: When a metal material cracks under tensile force, the percentage of its elongation to its original length is called elongation;

2. Reductionis temporis section is: Percentatio regionis, ubi partitio materiae metalli in longitudine orijinalis sua, quando subter fortitudinem tensilis fractatur, dicitur mensurae sectionis.

3. Valor protrusion is Cupiae (profunditate stampionis): Fabrica processionis stampionis habet caput pilae standardisum punctum super maquinam protrusionis cupiae ut uniforme presseret exemplum plateae. In puncto pressiendo, depressio circulare apparet in exemplo plateae, et profunditate eius continuat crescere usque ad rumpam, qui penetrare lucem apparet. In hoc momento, profunditate indentationis est probatio cupiae protrusionis.

3, Hardness: Resistentia metallis materiae ut in illo pressurus esse a difficilio objecto vocatur difficilior. Hardness is an inductive physical quantity of material properties, representing the ability of a metal to resist elastic deformation, plastic deformation, or fracture within a small volume range.

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