Description
M35 Round Bars
M35 Round Bars is a Molybdenum mix Cobalt based HSS (High Speed Steel) which is a better tool steel as compare to HSS M2 Round Bar due to its ability of having 5% Cobalt. High Speed Steel M35 is way ahead effective durable long lasting steel which is also commonly used worldwide for generation of cutting tools such as drills, reamers, gear cutters, broaches, die steel.
It has components such as Molybdenum (Mo), Tungsten (W) & Cobalt (Co), Vanadium (V) grades, possessing high hardness, excellent cutting properties, red hardness making it as one of the best fine grade tool steel to generate hardness upto 64-66 HRC post heat treatment. This conventional steel has mix of cobalt & Moly elements and carbides in it are small and evenly distributed. It has high Tensile strength & wear resistance. This grade is most effective and economically priced making it most commonly used high speed steel grade.
Molybdenum High Speed Steel (HSS) are designated as Group ‘M’ steels according to the AISI classification system. Over 95% of High Speed Steels Manufactured are group M steels. Tungsten is present in all types from M1 to M10, except M6, and cobalt is not present in any of these steels. Molybdenum high-speed steels have similar performance when compared to tungsten high speed steels.
M35 Molybdenum High Speed Tool Steel (UNS T11335) | 1.3243 | HS6-5-2-5 | SKH55
Size Range in HSS M35 :
- • Round Diameter : 3.5mm to 22 mm, 24mm to 350 mm
- • Flat Rolled Bars : (W) 8mm – 250mm to (H) 10mm – 100mm x Length (meters)
- • Square Rolled Bars : 10 mm to 200 mm
For more Sizes & Availability please contact us
M35 Steel Chemical Composition (%) of M35 Round Bars / Flat Bars :
| AISI M35 | ||
| DIN 1.3243 | ||
| JIS SKH55 | ||
| Elements | Min | Max. |
| C. | 0.88 | 0.95 |
| Si. | – | 0.45 |
| Mn. | – | 0.45 |
| Cr. | 3.80 | 4.50 |
| Mo. | 4.75 | 5.20 |
| V. | 1.75 | 1.90 |
| W. | 6.00 | 6.70 |
| Co. | 4.60 | 5.00 |
| P. | – | 0.030 |
| S. | – | 0.030 |
Related Steel Specification of AISI Tool Steel M35 High Speed :
| Country | Standard | Grades |
| USA | ASTM A600 | M35 |
| German | DIN EN ISO 4957 | 1.3243/HS6-5-2-5 |
| Japan | JIS G4403 | SKH55 |
Compaison of Chemical Composition of AISI HSS Tool Steel M35 Grade :
| ASTM A600 | C | Mn | P | S | Si | Cr | V | Mo | W | Co | ||||||||
| M35 | 0.82 | 0.95 | 0.15 | 0.40 | 0.030 | 0.030 | 0.20 | 0.45 | 3.80 | 4.50 | 1.75 | 2.15 | 4.75 | 5.25 | 5.50 | 6.50 | 4.60 | 5.00 |
| DIN ISO 4957 | C | Mn | P | S | Si | Cr | V | Mo | W | Co | ||||||||
| 1.3243/HS6-5-2-5 | 0.87 | 0.95 | … | 0.40 | 0.030 | 0.030 | … | 0.45 | 3.80 | 4.50 | 1.70 | 2.10 | 4.70 | 5.20 | 5.90 | 6.70 | 4.50 | 5.00 |
| JIS G4403 | C | Mn | P | S | Si | Cr | V | Mo | W | Co | ||||||||
| SKH55 | 0.87 | 0.95 | … | 0.40 | 0.030 | 0.030 | … | 0.45 | 3.80 | 4.50 | 1.70 | 2.10 | 4.70 | 5.20 | 5.90 | 6.70 | 4.50 | 5.00 |
Applications of M35 Round Bars, Flat Bars & Square Bars :
Heavy duty milling cutters, broaches, reamers, cutting tools, shaper cutters & rotary shave cutters for machining hard materials, socket head & hole punching dies for producing nuts & tap drills. Die blocks, broaching tools, cold extrusion rams, tools subject to extensive mechanical stresses. Heavy roughing work, machining high tensile steels, difficult to machine cast steel, grey cast iron, chill castings NF metals & non-metal material. Turning, planning & shaping tool, rough milling cutters. End mills, hobs, shaper cutters, cold forming tools, stamping & punching tools, cutting tools, working rolls for cluster rolling stand.
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