1.2516 Drill Rod
1.2516 Drill Rod General cold work die steel with good machinability,to be made die casting mold,extrusion and injection mold and ejector pins,ejector sleeve,punches,block gauge,measuring tools.
High wear resistance,high toughness,small deformation caused by heat treatment.
Have a high and uniform hardness after heat treatment,heat resisting,resistance to high temperature oxidation,good toughness,machinability and weldability.
Annealing ≤HB219/223.
PRODUCT : DIN 120 W V 4 (SILVER STEEL WITH TUNGSTEN)
ALLOY STEEL FOR COLD WORKING
CHEMICAL COMPOSITION:
C : 1,15 - 1,25; Mn 0,20 -0,35 ; Si 0,15 – 0,30 ; P MAX. 0,035 ; S MAX. 0,035 ; Cr 0,15 – 0,25 ; V 0,07 – 0,12 ; W 0,90 – 1,10
DELIVERY : HEAT TREATMENT ANNEALED 219 / 223 HB
SURFACE FINISHING : CENTERLESS GROUND
DIAMETERS : FROM 1mm TO 30mm ON RISING RANGE OF 0,25mm AND USUAL IMPERIAL SIZES.
DIAMETER TOLERANCE : AS PER DIN 175 OR EQUIVALENT ISO h9 .
AS PER REQUIREMENT WITH TOLERANCES h 8 OR h 7
DELIVERY LENGTHS: 1000MM-6000MM
QUALITY : HIGH PRECISION EN SIZES ; OPTIMAL MACHINABILITY ON ANNEALEAD STATUS; DEFECTS AND DECABURISATION FREE ; EXCELENT FINISHING AND STRAIGHTNESS.
HEAT TREATMENT:
TEMPERATURE ADVISED ON CELSIUS DEGREES.
TEMPER TEMPERATURE : 760 – 820 C . 800 – 840 (recommended for Controlled Atmosphere furnaces )
MEAN OF COOLING:
Diam > or equal to 12mm WATER (20 TO 30 C )
Diam < or equal to 12MM OIL (50 TO 60 C)
HARDNESS AFTER TEMPER : 64 – 66 RC
TEMPERED AND QUENCHED : WE SUGGEST TO TREAT PIECES IMMEDIATELY AFTER FAST COOLING TO ELIMINATE TEMPER STRESS.
QUENCHED TEMPER : CHANGE FROM 100 TO 400 C DEPENDING ASKED HARDNESS ON STATUS OF USE.
GRADES : 100 C 200 C 300 C 400 C
RC : 65 62 57 51
REFFERED TO A TRANSVERSAL ROUND SECTION 30mm AND 30 MINUTES OF QUENCHED.
PROTECTION: SLIGHT RUSTPROOF OIL
