BurrsMAR18

24 Tel: 01509 610300 • Fax: 01509 610400 • Email: sales@merlintools.co.uk • www.merlintools.co.uk Tungsten Carbide Burrs m anufactured Technical Information - Material Grouping Material Group Material type Hardness (HB) Tensile Strength (N/mm 2 ) BS EN & other standards 1 - Steel 1.1 Magnetic Soft <120 <400 230M07, 050A12 EN1, EN2 Leadloy 1.2 Structural, case carburising <200 <700 060A35, 080M40, 4360-50B EM3A, 4,6,7,8, EN207, S62 1.3 Plain carbon <250 <850 080M46, 080A62 EN9, 10, 43, S70 1.4 Alloyed 250 - 230 <850 708M40/42, 817M40, 534A99, BM2, BT42 EN16,17, 19(R,S) EN31, S2-10-1-8 (Soft) 1.5 Alloyed 350 850 - 1200 B01, BM2, BT42, 826M40, 830M32 EN24, 25,26(T,U,V) S95, S97, S98 (annealed) 1.6 Alloyed 801, 826M40, 830M31 EN25, 26, 27,(W,X,Z,) S97, S98, (H&T) 1.7 Alloyed - hardened 48-55 HRc B01, BD3, BH13 1.8 Alloyed - hardened 56-60 HRc BM2, BH13 1.9 Alloyed - hardened >60 HRc 2 - Stainless steel 2.1 Free machining <250 <850 303 S21 416 S37 EN56, EN60 2.2 Austenitic <250 <850 304 S15, 321 S17 316 S, 320 S12 EN80, EN58 + EN8J, 316 2.3 Ferritic + Austenitic, Ferretic, Martensitic <300 <1000 317 S16, 316 S16 EN58 b,e,t,j, Duplex alloys 3 - Cast iron 3.1 Lameller graphite <150 <500 grade 150, grade 400 Cast iron Soft 3.2 Lameller graphite 150 - 300 500 - 1000 grade 200, grade 400 Cast iron Hard 3.3 Nodular graphite, malleable <200 <700 420/12, P440/7 700/2. 30g/72 S.G. iron Mehanite Black & White Heart 3.4 Nodular graphite, malleable 200 - 300 700 - 1000 420/12, P440/7 700/2, 30g/72 S.G. iron Mehanite Black & White Heart 4 - Titanium 4.1 Unalloyed <200 <700 TA1-9 Ti 99.0 4.2 Alloyed <270 <900 TA10-14, TA17, TA28 Ti 2AL 4.3 Alloyed 270 - 350 900 - 1250 TA10-13, TA28 Ti AL 5 - Nickel 5.1 Unalloyed <150 <500 NA 11, NA 12 Nickel 200, Nickel 270 5.2 Alloyed <270 <900 HR203 3027-76 Nimonic 75, Hastelloy C Monel 400, Inconel 600 Haynes Alloys 263 5.3 Alloyed 270 - 350 900 - 1260 HR8 HR401, 601 Inconel 718, Waspalloy, Nimonic 80, Rene 41 6 - Copper 6.1 Unalloyed <100 <350 C101 Commercially pure 6.2 ß - Brass, bronze <200 <700 CZ120, CZ109, PB104 2.1030, 2.1080 6.3 ¥ - Brass <200 <700 CZ108, CZ106 6.4 High strength bronze <470 <1500 AB1 type Ampco 18, Ampco 26 7 - Aluminium / Magnesium 7.1 Al, Mg, unalloyed 50 - 80 50 - 80 LMO, 1B, (1050A) Magnesium Extruded Aluminium 7.2 Al alloyed, Si < 0.5% 200 - 250 200 - 250 LM5, 10, 12, N4 (5251) Low Silicon wrought & cast Aluminium 7.3 Al alloyed, Si > 0.5 - <10% <200 <700 LM2, 4, 16, 21, 22, 24, 25, 26, 27, L109 Silicon Alluminium 7.4 Al alloyed, Si > 10%, Whisker reinforced, Mg <470 <1500 LM6, 12, 13, 20, 28, 29, 30 Higi Silicon Alluminium 8 - Plastics 8.1 Thermoplastics Polystyrene, Nylon, PVC Cellu- lose Acetate & Nitrate Nylon, Hostalen Makrolon 8.2 Thermosetting Ebonite, Tufnol, Bakelite Bakelite, Pertinax 8.3 Reinforced plastics Kevlar, Printed circuit board CFK, GFK, AFK 9 - Cermet 9.1 Cermet (metal ceramics)