TGK SPECIAL STEEL PVT. LTD.

PLASTIC MOULD TGP 50 (DIN - 1.2083 ESR) Favorable corrosion resistance, abrasion resistance, quenching, cutting performance, and polishability as well as high surface fineness. EAF + LF + VD + ESR SMELTING METHOD MAIN CHARACTERISTICS 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) 460 24 220,000 10.9 11.6 O 20 ~ 200 C PHYSICAL PROPERTY MAJOR APPLICATIONS  Production of PVC molds;  Long-life molds;  Molds for disposable tableware;  Production of optics parts, for example, cameras, sunglasses lens, medical vessels, 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. DELIVERY STATE : Delivery under annealing state, deliver hardness 235HB; SUPPLY SPECIFICATION ROUND STEEL FLAT STEEL MODULE 16 - 500mm 16 - 120mm x 200 - 810mm 120 - 500mm x 300 - 1,200mm CHEMICAL COMPOSITION (%) C Mo Mn P W 0.42 V -- S -- -- 0.03 Si Cr 13.5 0.005 1.00 1.00 PURITY ELECTRIC FURNACE STEEL Coarse 1.5 Class A 1.5 1.0 Class B Class C Class D Fine Coarse Fine Coarse Fine Coarse Fine 2.0 1.5 1.5 1.0 1.5 ELECTROSLAG STEEL 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 43