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SST400 Series are made from imported stainless steel.


Superior corrosion resistance, excellent polishability, well abrasion resistance and stable dimension in heat treatment.

SST400 Series are suitable for SBK3  SBK7 barrel.

Material: Imported stainless steel

Overall hardness: HRC 50 ° ~ 55 °

Heat treatment: Vacuum quenching (Preheating temperature 600 ~ 850°C)

Austenitizing temperature: 1020~1050°C (normally 1020-1030°C)

Suitable for injecting: PC white, PC transparent, PMMA, PEAK, PSV, PS, PE and other materials with high viscosity and poor fluidity.


Light guide plate, LED optical products, auto parts, food machinery and medical instruments.