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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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Product Details:

  • Technique Hot Rolled / Forged
  • Processing Annealed / Hardened & Tempered
  • Tolerance H9, H11 or as per requirement
  • Finish Black, Bright, Peeled, Ground
  • Type Round / Bar
  • Diameter Available from 2 mm up to 350 mm
  • Material M35 High Speed Steel (HSS)
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M35 High Speed Steel M35 HSS M35 Round M35 Bars Price And Quantity

  • 1 Kilograms
  • 1601.0 INR/Kilograms

M35 High Speed Steel M35 HSS M35 Round M35 Bars Product Specifications

  • Hot Rolled / Forged
  • Annealed / Hardened & Tempered
  • Black, Bright, Peeled, Ground
  • H9, H11 or as per requirement
  • Cutting tools, drills, taps, milling cutters, broaches, threading dies, and general high-speed machining applications
  • Round / Bar
  • Available from 2 mm up to 350 mm
  • Suitable for producing high-performance cutting and machining tools
  • M35 High Speed Steel (HSS)
  • M35 (Co5) HSS
  • ASTM A600, DIN 1.3243, JIS SKH55
  • Customizable; Standard Lengths Typically 2-6 meters
  • Oiled, Plain, or Customized
  • Round, Square or Flat Bars
  • Annealed, Hardened & Tempered, or As Rolled
  • Max. 269 HB
  • 4.8-5.0%
  • 8.12 g/cm3
  • As per customer requirement
  • 64-66 HRC

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/cm
Modulus of Elasticity 215 GPa
Thermal Conductivity (20C) 24.0 W/mK
Thermal Expansion Coefficient (20-100C) 11.5 x 10 /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 (10C per hour to 600C, then air cool)
Stress Relieving 650 - 700 Slow furnace cool
Preheating 820 - 850 Equalize thoroughly before hardening
Hardening (Austenitizing) 1200 - 1230 Oil, Salt Bath (550C), 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.



Exceptional Durability and Heat Resistance

M35 High Speed Steel stands out for its superior thermal stability and hardness, making it the preferred choice for cutting tools subjected to intense heat and pressure. The 4.8-5.0% cobalt content enhances red hardness, enabling consistent performance during high-speed machining, even at elevated temperatures, which in turn extends the overall life of cutting edges and tools.


Versatile Deliveries and Customization Options

Choose from a broad range of diameters, lengths, and shapes (round, square, or flat bars) to fit your specific needs. M35 HSS can be supplied annealed, hardened & tempered, or as rolled, with finishes such as black, bright, peeled, or ground to your exact specifications. Surface treatments are also customizable, ensuring optimal compatibility with diverse industrial applications.

FAQ's of M35 High Speed Steel M35 HSS M35 Round M35 Bars:


Q: How is M35 High Speed Steel typically used in industrial applications?

A: M35 HSS is widely utilized in manufacturing high-performance cutting tools, including drills, taps, broaches, milling cutters, and threading dies. Its exceptional hardness and heat resistance make it ideal for high-speed and precision machining tasks.

Q: What benefits does the cobalt content provide in M35 HSS?

A: The addition of 4.8-5.0% cobalt in M35 steel significantly improves its red hardness and ability to retain hardness at elevated temperatures. This results in superior tool performance, enhanced cutting efficiency, and longer tool life during demanding machining operations.

Q: When should I consider using M35 HSS over other tool steels?

A: M35 should be chosen when high cutting speeds, thermal resistance, and extended wear life are critical. It outperforms standard HSS in challenging machining environments, especially when working with tough materials that generate substantial heat.

Q: Where can I source M35 steel bars and in what forms are they available?

A: M35 HSS bars can be sourced from reputable manufacturers, exporters, dealers, and suppliers across India in round, square, or flat shapes. Availability spans diameters from 2 mm up to 350 mm and standard/custom lengths, with a range of processing and finishes to suit your requirements.

Q: What is the typical process for delivering M35 HSS bars?

A: M35 steel bars are supplied according to customer requirements in annealed, hardened & tempered, or as-rolled conditions. Surface finishes such as oiled, plain, black, bright, peeled, or ground are provided, and tolerance (H9, H11, or custom) is maintained in accordance with international and client-specific standards.

Q: Can the length and diameter of M35 HSS bars be customized for special projects?

A: Yes, both length and diameter can be tailored to project needs. Standard lengths typically range from 2 to 6 meters, with customized options available. Diameters from 2 mm up to 350 mm allow flexibility for a wide array of tooling and fabrication demands.

Q: What are the main advantages of using M35 HSS in cutting tool manufacturing?

A: M35 HSS provides extended tool life, superior performance at high speeds, and excellent resistance to thermal and mechanical stresses. These properties make it a valuable material for industries requiring precision, durability, and efficiency in their cutting and machining tools.

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