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M35 High Speed Steel M35 HSS M35 Round M35 Bars M35 High Speed Steel M35 HSS M35 Round M35 Bars M35 High Speed Steel M35 HSS M35 Round M35 Bars M35 High Speed Steel M35 HSS M35 Round M35 Bars M35 High Speed Steel M35 HSS M35 Round M35 Bars

M35 High Speed Steel M35 HSS M35 Round M35 Bars

1601.0 INR/Kilograms

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M35 High Speed Steel M35 HSS M35 Round M35 Bars Price And Quantity

  • 1601.0 INR/Kilograms
  • 1 Kilograms

Product Description

M35 High Speed Steel (AISI M35 / WNr 1.3243 / HS6-5-2-5) round bars, rods, and bar stock.

Chemical Composition

Element Min Range Max Range
Carbon (C) 0.88 0.96
Cobalt (Co) 4.50 5.20
Tungsten (W) 5.90 6.70
Molybdenum (Mo) 4.50 5.50
Chromium (Cr) 3.80 4.50
Vanadium (V) 1.75 2.20
Silicon (Si) 0.20 0.45
Manganese (Mn) 0.15 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 120 mm
Diameter Range (Forged) 80 mm to 400 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, 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 8.16 g/cm³
Modulus of Elasticity 215 GPa
Thermal Conductivity (20°C) 24.0 W/m·K
Thermal Expansion Coefficient (20-100°C) 11.5 x 10⁻⁶ /K
Achievable Hardened Hardness 64 - 67 HRC
Yield Strength (Hardened & Tempered) 2350 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) 1200 - 1230 Oil, Salt Bath (550°C), or Vacuum / Gas Quench
Tempering 540 - 560 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 M35 / ASTM A600 T11335
Germany (DIN / WNr) DIN 17350 1.3243 / S 6-5-2-5
European Union (EN ISO) EN ISO 4957 HS6-5-2-5
Japan (JIS) JIS G4403 SKH55
China (GB) GB/T 9943 W6Mo5Cr4V2Co5
Russia (GOST) GOST 19265 R6M5K5
France (AFNOR) NF A35-590 Z90WKCV06-05-02-02

Key Applications for M35 Round Bars & Rods

  • Heavy-Duty Cutting Tools: End mills, broaches, gear hobs, shaped cutters, and reamers.

  • Machining Tough Materials: Stainless steel, heat-resistant alloys, and high-tensile strength steels.

  • Drilling Hardware: Twist drills, taps, countersinks, and stepped drill bits under high thermal stress.

  • Cold Work Tooling: Cold punching dies, forming tools, and high-wear industrial blades.

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