KUSHAL METAL & STEEL INDUSTRIES

www.kushalmetal.com www.berylliumcopper.in 13 High Speed Steel S600 BÖHLER Application Segments Cutting Tools Automotive Available Product Variants Long Products* Plates * Presented data refer exclusivly to long products. Please observe the detailed explanations at the end of the data sheet (pdf). Product Description BÖHLER S600 – "The high-speed steel" Ideal for mills, twist drills, and taps, broaches, cold-work tools. BÖHLER S600 is the most commonly used high-speed steel and is the starting material for our customers who deal with high-speed steel Process Melting Airmelted or Airmelted + ESR (ISORAPID) Properties  Toughness & Ductility : high  Wear Resistance : high  Compressive strength : high Applications  Broaches and Reamers  Gear Cutting, Shaving and Shaping Tools  Powder Pressing  Special Cutting Tools  Wear parts  Cold Forming / Coining  Injection Components  Rolling Technical data Material designation 1.3343 SEL HS6-5-2C EN Standards 4957 EN ISO Chemical Composition (wt. %) C 0.9 Cr 4.1 Mo 5 V 1.8 W 6.2 Delivery condition Annealed Hardness (HB) Ultimate tensile strength (UTS) (MPa) Tensile Strength (MPa) max. 280 max. 950 max. 950 Hardened and Tempered Hardness (HRC) min. 62 | bars hardened and tempered (BHT) Heat treatment Annealing Temperature O 770 to 840 C O O O O Controlled slow cooling in furnace (10-20 C/h (50-68 F/h) to approx. 600 C (1110 F), air Stress relieving Temperature O 600 to 650 C Slow cooling furnace. || To relieve stresses set up by extensive machine or in tools of intricate shape. || After through heating, hold in neutral atmosphere for 1 to 2 hours. Hardening and Tempering Temperature O 1,100 to 1,210 C O O Salt bath, vacuum || Preheating: 1st stage ~ 500 C, 2nd stage ~ 850 C 3rd stage ~ O O 1050 C || Austenitising: 1100 ~ 1210 C, holding time after complete heating 80 seconds, maximum 150 seconds, to avoid material damage due to overheating. || Quenching: oil, O warm bath (500 ~ 550 C), gas Temperature O 550 to 570 C Slow heating to tempering temperature immediately after austenitising. || Dwell time in the furnace 1 hour per 20mm material thickness (at least 1 hour) || Slow cooling to room temperature || 3 tempering cycles recommended || Hardness see tempering chart Continuous cooling CCT curves Quantitative phase diagram A....Austenite B....Bainite K....Carbide P....Perlite M....Martensite RA...Retained Austenite 1....Edge or Face 2....Core 3....Jominy test: distance from quenched end – – oilcooling – · – aircooling Tempering Chart Vacuum Holding time 3 x 2 hours Specimen size: square 25 mm  Edge Stability : high  Grindability : high  Hot Hardness (red hardness) : high  Standard Parts (Molds, Plates, Pins, Punches)  Thread rolling  Fine Blanking, Stamping, Blanking  Other Automotive Components (Turbochargers, Piston Rings, Sensors, etc.)  Shearing / Machine Knives  Twist Drills and Taps  Blades for Sawing Machines Austenitising temperature: 1210°C (2210°F) Holding time: 180 seconds A....Austenite B....Bainite K....Carbide P....Perlite M....Martensite RA...Retained Austenite Physical Properties Temperature (°C) Density (kg/dm³) Thermal conductivity (W/(m.K)) Specific heat (kJ/kg K) Spec. electrical resistance (Ohm.mm²/m) Modulus of elasticity (10³N/mm²) 20 8.07 21.8 0.433 0.47 219 O O Thermal Expansions between 20 C | 68 F and... Temperature (°C) -6m Thermal expansion (10 (m.K)) 100 11.5 200 11.7 300 12.2 400 12.4 500 12.7 600 13 700 12.9 SOLE DISTRIBUTOR