TGK SPECIAL STEEL PVT. LTD.

HIGH SPEED STEEL TG W9 Can be used to produce different kinds of too instead of W18 and M2. APPLICATIONS It is current has developed in our country. Its service performance is equal to that of W18Cr4V(T1) and W6Mo5Cr4V2(M2). CHARACTERISTIC UT STANDARD : SEP 1921, (DEC.84)E/e REDUCTION RATIO : As 1:4 or 1:5 Thickness 5mm - 410mm Width 10mm - 810mm SIZE: HOT ROLLED FLAT BARS / SAND BLASTED & MACHINED STRAIGHT Indian IS W9 Chemical Analysis Typical Value % (Min - Max) Delivery Condition C S P Si Mn Ni Cr Mo V W other Heat Treatment Hardness 0.82 0.30 0.30 *** 4.10 3.00 1.50 9.00 *** Annealed 0.02 0.03 HB255 < CHEMICAL COMPOSITION (%) PRODUCTION PROCESS Forged Annealed & Turned Hot Rolled & Annealed Peeled (HRAP) Cold Drawn / Centreless Ground : 81.0 - 1500mm : 14.5 - 80.0mm : 1.0 - 14.4mm EAF LF VD ESR (5TONS HAMMER) ANNEALED CONDITION ROUND BAR: FLAT BAR: EAF LF VD ESR FORGED HOT ROLLED (850) ANNEALED CONDITION Forged + Annealed + Turned Bar 81.0 - 1500mm Hot Rolled Annealed & Peeled Bard 14.5 - 80.0mm 1.0 - 14.4mm SIZE: ROUND Cold Drawn/Ground Bar HEAT TREATMENT CONDITION Hardening Temperature Quenching Medium Tempering Temperature Tempering Times Tempering Hardness O : 1190-1230 C : oil & salt bath O : 540-560 C : 3times : 63-65HRC. DELIVERY STATUS : Soft annealed max. 255HB 11