1.2083 Plastic Mould Steel Round Bar

Sichuan Liaofu Special Steel Company is one of the most experienced manufacturers and suppliers of 1.2083 plastic mould steel round bar in China. With over 20 years' experience, our factory offer high quality products made in China with competitive price. Welcome to contact us for wholesale service.

General Information:

Stainless martensitic steel with a high hardenability, good polishing properties, excellent resistance to corrosion and hot oxidation.

Comparable Standards:

Chemical Analysis (%):

Heat treatment

Annealing:

-Heat to 750~800°C, with hold at minimum rate for 3 hours.

-Furnace cooling.

Stress relieving:

To be carried out after machining and before the final heat treatment.

Heating to 600~650°C for 2 hours.

Hardening:

Preheating to 600~700°C;

- Austenitizing at 990~1040°C

- Oil or thermal bath cooling at 500~550°C, then oil cooling according to the steel shape and size.

Quenched hardness: HRC 52~56

Tempering:

To be carried out after hardening according to the required hardness; at 170-270 °C in order to match hardness and resistance to corrosion; permanence for at least 2 hours;

Tempering must be repeated at least twice at a temperature 30 °C lower than the previous. Cooling in air.

Application:

Used for plastic moulds, particularly for acid aggressive plastics (e.g. acetate and PVC), or plastics containing abrasive fillers. Suited for the manufacture of glass, such as moulds of optical products.

Packing & Delivery

1. by bundles, each bundle weight under 3 tons, for small outer diameter seamless steel pipe, each bundle with 4 - 8 steel strips.

2. after making by bundle, covered with Polyethylene waterproof cloth.

3. make black paints painting on each pipe, then make bundles

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