KUSHAL METAL & STEEL INDUSTRIES

www.kushalmetal.net www.berylliumcopper.in 29 NEW HOT WORK DIE STEEL KDA1ESD NIPPON KOSHUHA STEEL CO., LTD. KDA1ESD has toughness which is equal or better than H13 also has better high temperature strength than H13 Same heat treatment condition as H13 Positioning of KDA1ESD KDA1ESD KDA1S Universal (for general use) NIPPON KOSHUHA’S HOT DIECAST STEEL Main Component of KDA1ESD C Si Mn Cr Mo W V KDA1ESD KDA1S H13 0.4 0.4 0.35 0.3 0.6 -- 0.6 0.4 -- 4.4 4.8 5.0 2.0 1.7 1.5 0.5 -- --- 0.6 0.5 1.0 unit wt% *The numbers above is central value, the actual products may differ slightly from the numbers shown. Comparison of Characteristics of KDA1ESD High temperature property KDA1ESD KDA1S H13 Hardenability Toughness Abrasion Heat check* Machinability * x ( ) ( ) x *Characteristics in parentheses are estimated values from chemical components. Heat treatment condition for each steel Heat treatment Quenching 0 temperature C Tempering 0 C Hardness of tempering, hardening 1010 ~ 1040 Pressurized cooling or oil quenching 1010 ~ 1040 Pressurized cooling or oil quenching 1010 ~ 1040 Pressurized cooling or oil quenching 1010 ~ 1040 Oil quenching 1010 ~ 1040 Oil quenching KDA1ESD KDA1S H13 H10 H10 (impro- ved steel) 550 ~ 610 550 ~ 610 550 ~ 610 550 ~ 610 –- 42 ~ 52HRC –- 42 ~ 52HRC 42 ~ 52HRC 42 ~ 52HRC Comparison of Characteristics of KDA1ESD High Temperature Property/Softening Resistance KDA1ESD has good softening resistance which prevent from the hardness decrease that can be caused by being exposed to high temperatures. Excellent high temperature property/softening resistance It has better high temperature property than H13/having good softening resistance High hardenability High property can be obtained under the same heat treatment condition as H13 Excellent toughness It has good hardenability and no harmful primary carbide, so it has excellent toughness. NEW HOT WORK DIE STEEL KDA1ESD Characteristics of KDA1ESD