2025-09-16 With nearly 20 years of expertise in hydraulic breakers, SLYM MACHINERY has developed a new generation piston using high-strength medium alloy carburizing steel and an advanced manufacturing process.Key Features:Optimized Material Formula:C (0.13–0.19%), Cr (1.35–1.65%), Ni (4.00–4.50%), W (0.80–1.2