TGK SPECIAL STEEL PVT. LTD.

HOT WORKING TOOL STEEL TG H11 (DIN-1.2343) TG H11M (DIN-1.2343M) Hot-work tool steel for universal use. Pressure casting dies and metal extrusion tools for processing light metals, forging dies, moulds, screws and barrels for plastic processing, shrink rings, hot-shear blades. APPLICATIONS High hot tensile strength and toughness. Good thermal to hot cracking. Can be water-cooled to a limited extent. STEEL PROPERTIES Thickness 5mm - 410mm Width 10mm - 810mm SIZE: HOT ROLLED / FORGED FLAT BARS Indian IS H11 Chemical Analysis Typical Value % (Min - Max) Delivery Condition C S P Si Mn Ni Cr Mo V W other Heat Treatment Hardness 0.33- 0.41 0.80- 1.20 0.20- 0.50 *** 4.80- 5.50 4.70- 5.20 1.10- 1.50 *** *** Annealed 0.030 < 0.030 < HB235 < H11M 0.47- 0.52 0.80- 1.20 0.20- 0.50 *** 4.80- 5.50 4.70- 5.20 1.10- 1.50 *** *** Annealed 0.030 < 0.030 < HB235 < CHEMICAL COMPOSITION (%) UT STANDARD: SEP 1921, (DEC.84)E/e DELIVERY STATUS: In Annealed Condition REDUCTION RATIO: As 1:4 or 1:5 PRODUCTION PROCESS Forged Annealed & Turned Hot Rolled & Annealed Peeled (HRAP) Cold Drawn / Centreless Ground : 81.0 - 1500mm : 14.5 - 80.0mm : 2.0 - 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 2.0 - 14.4mm SIZE: ROUND Cold Drawn/Ground Bar HEAT TREATMENT CONDITION 0 Tempering C HRC 0 500 C HRC56 0 550 C HRC54 0 600 C HRC50 Quenching temperature Cooling Medium Tempering temperature Tempering times Tempering Hardness O : 1020-1050 C : air-cooling O : 550-650 C : 2Times, the tempering temperature in the second time should be lower than in first time : 47-48HRC. SIMILAR STEEL GRADE BRAZIL VILLARES TENAX 300 AUSTRIA BOHLER W300 GERMANY DEW 1.2343 SLOVANIA RAVNE UTOP M01-EFS JAPAN SANYO QDA61 GRODITZ 1.2343 VICTORY TAIWAN GLORIA GMH11 CHINA TG H11 25