Zirshot

Zirshot® Ceramic Peening Beads

Saint-Gobain ZirPro Zirshot® is the industrial reference media for ceramic shot peening, enhancing the fatigue resistance of mechanical parts made of metallic alloys such as hard steel, titanium and aluminum. In shot forming, Zirshot also is used to shape and straighten slim hard alloys for aerospace structural components.

Zirshot combines the high hardness (700HV) and toughness of ceramic materials with optimal spherical bead shape and tight size distribution, resulting in outstanding peening benefits:

High energy transfer at the impact point on the metallic substrate
Preservation of the integrity of the peened surface with smooth and uniform surface finish

	Zirshot
Chemical Composition (wt%)	ZrO₂	SiO₂	AIO₂
Chemical Composition (wt%)	60 - 70	28 - 33	<10
Specific Gravity (g/cm³)	3.8
Bulk Density (kg/L)	2.3
Vickers Hardness (HV1)	700
Available Sizes	Name	µm	Name	µm
	Z850	850 - 1180	Z210	210 - 300
	Z600	600 - 850	Z150	150 - 210
	Z425	425 - 600	Z100	100 - 150
	Z300	300 - 425

Superior Peening performance

Peening with Zirshot ceramic shots offers:

High level of compressive stress near the surface
Smooth surface finish that minimizes crack initiation
Very low material abrasion that maintains accuracy of fine geometries
High rebound that allows homogeneous coverage of intricate geometries
Very low levels of particle embedment
No need for decontamination post-treatments for non-ferrous alloys
Cost savings on the downstream processes (coating, polishing)

Guaranteed quality and versatility

Because quality of the peening media is a critical parameter that directly impacts the service life of treated components, ZirPro manufactures shot peening media using tightly controlled procedures and specifications, enabling Zirshot to conform to the most stringent aerospace and automotive ceramic shot peening standards.

Zirshot® Ceramic Peening Beads

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