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M2 High Speed Steel M-2 HSS Rods M2 Round M2 Bars M2 High Speed Steel M-2 HSS Rods M2 Round M2 Bars M2 High Speed Steel M-2 HSS Rods M2 Round M2 Bars M2 High Speed Steel M-2 HSS Rods M2 Round M2 Bars M2 High Speed Steel M-2 HSS Rods M2 Round M2 Bars

M2 High Speed Steel M-2 HSS Rods M2 Round M2 Bars

1340.0 INR/Kilograms
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M2 High Speed Steel M-2 HSS Rods M2 Round M2 Bars Price And Quantity

  • 1 Kilograms
  • 1340.0 INR/Kilograms

Product Description

M2 High Speed Steel (AISI M2 / WNr 1.3343 / HS6-5-2) round bars, rods, and bar stock.

Chemical Composition

Element Min Range Max Range
Carbon (C) 0.80 0.90
Tungsten (W) 5.50 6.75
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 130 mm
Diameter Range (Forged) 80 mm to 450 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 255 HB / 26 HRC

Physical & Mechanical Properties

Property Value Unit
Density 8.16 g/cm³
Modulus of Elasticity 218 GPa
Thermal Conductivity (20°C) 24.2 W/m·K
Thermal Expansion Coefficient (20-100°C) 11.5 x 10⁻⁶ /K
Achievable Hardened Hardness 63 - 65 HRC
Yield Strength (Hardened & Tempered) 2200 MPa

Heat Treatment Processing

Process Temperature Range (°C) Cooling Medium / Strategy
Soft Annealing 850 - 900 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 M2 / ASTM A600 T11302
Germany (DIN / WNr) DIN 17350 1.3343 / S 6-5-2
European Union (EN ISO) EN ISO 4957 HS6-5-2
Japan (JIS) JIS G4403 SKH51
China (GB) GB/T 9943 W6Mo5Cr4V2
Russia (GOST) GOST 19265 R6M5
France (AFNOR) NF A35-590 Z85WDCV06-05-04-02

Key Applications for M2 Round Bars & Rods

  • Standard Cutting Tools: Twist drills, taps, reamers, milling cutters, gear hobs, and broaches.

  • Cold Work Forming Tooling: Cold punching dies, cold headers, extruding dies, and thread rolling dies.

  • Sawing & Shearing: Slitting saws, metal cutting saw blades, and industrial shearing knives.

  • General Precision Hardware: High-wear pins, guide bushings, and wear strips demanding toughness and wear resistance.

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