... used for blast cleaning of shot blasting machine, steel pre-treatment, steel structure. Steel Shot Specs: S70, S110, S170, S230, ... S280, S330, S390, S460, S550, S660, S780, S930, S1110Shot peening stainless steel plate, thin steel ... metals before painting process to increase elasticity and toughness.Steel Grit Specs: G10,G12, G14, G16, G18, ...