TGK SPECIAL STEEL PVT. LTD.

47 TGP 16 This steel is a acid resistant and wear-resistant plastic mold steel with high polishing performance, which can resist corrosion from water vapor, moisture, and weak acids. Working and storing in a humid environment, with good corrosion resistance. Application fields: templates, clamps, and general corrosive plastic molds. PRODUCT DESCRIPTION SIZE SUPPLIED Product Rolled/Forged Round (mm) Plate (mm) 16~900 (120~800) x (600~1400) DELIVERY STATUS Typical soft annealing hardness is under 220HB. CHEMICAL CLEANLINENESS Type A THIN Type B Type C Type D THICK THICK THIN THIN THICK THICK THIN 0.5 0.5 1.0 1.0 0.5 0.5 1.0 1.0 MOLD STEEL SERIES CHEMICAL COMPOSITION (%) C Cr 0.40 V Mn 0.55 13.5 0.22 Si 1.05 Ni 0.30 SOFT ANNEALING: O Soft annealing in a protective atmosphere at 860 C for 3-5h, O O followed by slow cooling at 10 C /h down to 500 C, then air cooling. ULTRASONIC INSPECTION According to SEP1921-E/e standard According to GB/T6402-2008 standard grade 4 According to customer requirements PHYSICAL PROPERTIES 3 (1) Density (p) : 7.8g/cm 2 (2) Modulus of Elasticity (E) (KN /mm ) 0 Temperature/ C E 25 239 200 211 400 181 0 Temperature/ C  25 21.2 200 23 400 24.2 0 Temperature/ C  m 20 11.2 400 11.2 600 11.5 (3) Thermal Conductivity (  ) (W/m  K)) -6 0 (4) Thermal Expansions (  ) (X 10 / C) m Mo 0.30 MICROSTRUCTURE GUIDELINES FOR HARDENING CCT CURVE Annealed Structure: B1