Plunger
◎ Material: 304 Tungsten Carbide
◎ Tensile Strength (σb): 515-760 MPa
◎ Yield Strength (σs): ≥ 205 MPa
◎ Elongation (δ5): ≥ 30%
◎ Reduction of Area (ψ): ≥ 50%
◎ Base Material Hardness: HRC ≤ 22
◎ Spray Welding Layer Hardness: HRC 58-63