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T1 High Speed Steel T1 HSS Rods T1 Round Bar T-1 Bars T1 High Speed Steel T1 HSS Rods T1 Round Bar T-1 Bars T1 High Speed Steel T1 HSS Rods T1 Round Bar T-1 Bars T1 High Speed Steel T1 HSS Rods T1 Round Bar T-1 Bars T1 High Speed Steel T1 HSS Rods T1 Round Bar T-1 Bars

T1 High Speed Steel T1 HSS Rods T1 Round Bar T-1 Bars

2681.0 INR/Kilograms
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T1 High Speed Steel T1 HSS Rods T1 Round Bar T-1 Bars Price And Quantity

  • 2681.0 INR/Kilograms
  • 1 Kilograms

Product Description

T1 High Speed Steel (AISI T1 / WNr 1.3355) round bars, rods, and bar stock.

Chemical Composition

Element Min Range Max Range
Carbon (C) 0.70 0.80
Tungsten (W) 17.50 19.00
Chromium (Cr) 3.80 4.40
Vanadium (V) 1.00 1.40
Molybdenum (Mo) - 0.30
Silicon (Si) 0.20 0.40
Manganese (Mn) 0.10 0.40
Phosphorus (P) - 0.030
Sulfur (S) - 0.030

Rod & Round Bar Supply Specifications

Parameter Standard Range / Condition
Diameter Range (Hot Rolled) 10 mm to 100 mm
Diameter Range (Forged) 80 mm to 350 mm
Diameter Range (Cold Drawn / Ground Rods) 2 mm to 30 mm
Standard Lengths 2000 mm to 6000 mm or custom cut-to-length
Surface Finish Conditions Black Surface, Turned, Peel-Peeled, Centerless Ground, Bright Polished
Dimensional Tolerances ISO h8, h9, h11, DIN 175
Delivery Hardness (Annealed) Max 269 HB / 28 HRC

Physical & Mechanical Properties

Property Value Unit
Density 8.67 g/cm³
Modulus of Elasticity 218 GPa
Thermal Conductivity (20°C) 19.7 W/m·K
Thermal Expansion Coefficient (20-100°C) 10.2 x 10⁻⁶ /K
Achievable Hardened Hardness 63 - 66 HRC
Yield Strength (Hardened & Tempered) 2200 MPa

Heat Treatment Processing

Process Temperature Range (°C) Cooling Medium / Strategy
Soft Annealing 850 - 880 Slow furnace cool (10°C per hour to 600°C, then air cool)
Stress Relieving 650 - 700 Slow furnace cool
Preheating 820 - 850 Equalize thoroughly before hardening
Hardening (Austenitizing) 1260 - 1290 Oil, Salt Bath (550°C), or Forced Air / Gas Quench
Tempering 550 - 570 Minimum 3 cycles (1 to 2 hours per cycle), air cool to room temp

International Standard Equivalents

Country / Standard System Standard Designation Material Number / Grade
USA (AISI / ASTM) AISI T1 / ASTM A600 T12001
Germany (DIN / WNr) DIN 17350 1.3355 / S 18-0-1
European Union (EN ISO) EN ISO 4957 HS18-0-1
Japan (JIS) JIS G4403 SKH2
China (GB) GB/T 9943 W18Cr4V
Russia (GOST) GOST 19265 R18
France (AFNOR) NF A35-590 Z80WCV18-04-01

Key Applications for T1 Round Bars & Rods

  • Metal Cutting Tools: Turning tools, planing knives, slotting tools, gear hobs, and broaching cutters.

  • Drilling & Milling: Heavy-duty drill bits, counterbores, and reamer rods.

  • Cold & Hot Work Tooling: Cold punching dies, high-wear forming punches, and extrusion dies.

  • Industrial Blades: Woodworking knives, veneer cutters, and paper shearing blades.

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