TGK SPECIAL STEEL PVT. LTD.

PLASTIC MOULD TGS 136 (DIN - 1.2316) Extremely high mirroring performance, favorable corrosion resistance, high abrasion resistance and favorable machining performance. EAF + LF + VD + ESR + VMR SMELTING METHOD MAIN CHARACTERISTICS MAJOR APPLICATIONS CHEMICAL COMPOSITION (%) O 20 ~ 400 C Room temperature 3 density (Kg/m ) 7.80 Specific heat of room temperature (J/Kg.K) O 200 C thermal l conductivity (W/mK) Elastic mouldus 2 (N/mm ) -6 Linear expansivity (x10 K) 465 23 241,000 11.2 11.5 O 20 ~ 200 C PHYSICAL PROPERTY Coarse 1.0 Class A 1.0 0.5 Class B Class C Class D Fine Coarse Fine Coarse Fine Coarse Fine 1.5 1.0 1.0 1.0 1.5 PURITY ULTRASONIC FLAW DETECTION Flaw detection standard: as per GB/T 6402-2008 Class 4 flaw detection standard or as per customer requirements.  Super-mirror plastic molds: molds for optical Lens and other transparent plastic pieces;  Corrosion preventive high-resisting molds: Molds for fold vessels, cosmetics vessels, medical devices, light guiding plates, bottle covers, etc.  Formed resin materials: PC, PVC, PP, PE, PF, PMMA, adding fire retardant resin, etc. Softening annealing Quenching Tempering O Heating to 850 C for heat insulation; O O cooling to 650 C at 10 C/h air cooling O 1020~1030 C quenching; rapid air cooling THERMAL TREATMENT O Tempering temperature 250 C (favorable tenacity and corrosion resistance) : selecting tempering temperature as per hardness requirements; tempering for twice. C Mo Mn P Ni 0.4 V 0.3 S 0.22 0.3 0.55 0.03 Si 1.05 Cr 13.5 0.015 DELIVERY STATE : Delivery hardness: delivery under annealing state, 255HB. SUPPLY SPECIFICATION ROUND STEEL FLAT STEEL MODULE 16 - 500mm 16 - 120mm x 200 - 610mm 120 - 300mm x 300 - 1,000mm 42