TGK SPECIAL STEEL PVT. LTD.

46 TGP 32 This steel grade is a martensitic stainless steel that combines toughness, corrosion resistance, high wear resistance, and high polishing performance. Application fields: Plastic molds with extremely high surface finish for products, corrosive plastic molds such as flame retardants, deep frame plastic molds, complex plastic molds, and car lamp 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 0 1.0 0.5 0.5 0.5 1.0 0.5 MOLD STEEL SERIES CHEMICAL COMPOSITION (%) C N Cr 0.25 V Mn 0.60 13.0 0.60 Si 0.30 Mo +++ SOFT ANNEALING: O Soft annealing in a protective atmosphere at 820 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 25 241 200 210 400 175 0 Temperature/ C  25 20 200 22 400 23.8 0 Temperature/ C  m 20 11.1 400 11 600 11.5 (3) Thermal Conductivity (  ) (W/m  K)) -6 0 (4) Thermal Expansions (  ) (X 10 / C) m Ni 0.2 ++ MICROSTRUCTURE GUIDELINES FOR HARDENING CCT CURVE