Al Summan Metals, a leading manufacturer and supplier based in Dubai, UAE, focuses entirely on producing premium High Speed Steel (HSS) M35 Bars. These bars are renowned for their exceptional hardness, wear resistance, and toughness. Through the use of advanced manufacturing methods and stringent quality control, Al Summan Metals ensures that every M35 Bar not only complies with international standards but also provides dependable performance in demanding industrial and machining settings. Recognized for their capacity to retain hardness even under high temperatures, HSS M35 Bars are ideal for industries centered on cutting, drilling, and tool-making. Al Summan Metals delivers precision-engineered steel solutions that combine durability, high performance, and lasting efficiency for essential manufacturing and machining applications.
For composition, High Speed Steel M35 Bars consist mainly of iron, with roughly 0.85–1.0% carbon, 4–5% cobalt, 4% chromium, 2% molybdenum, and 6–7% tungsten. This distinctive mix delivers exceptional hardness, wear resistance, and red hardness, which makes them perfect for high-speed cutting jobs. In terms of mechanical properties, M35 steel offers a tensile strength of 1100–1400 MPa, hardness between 63 and 66 HRC, and admirable toughness. The material retains its cutting edge even under high temperatures, demonstrates superb fatigue resistance, and permits efficient machining and grinding, which makes it a preferred option for high-performance tooling operations.
| ASTM A600 | C | Mn | P | S | Si | Cr | V | Mo | W | Co | ||||||||
| M35 | 0.82 | 0.95 | 0.15 | 0.40 | 0.03 | 0.03 | 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 | 0.03 | 0.03 | … | 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 | 0.03 | 0.03 | … | 0.45 | 3.80 | 4.50 | 1.70 | 2.10 | 4.70 | 5.20 | 5.90 | 6.70 | 4.50 | 5.00 |
| Temperature °C / °F | |||||||
| 20 / 70 | 400 / 750 | 600 / 1110 | |||||
| Density | Kg/m³ lbs/in³ | 8150 .294 | 8050 .290 | 7990 .228 | |||
| Modulus of Elasticity | kN/mm³² psi | 230 34 · 10 6 | 205 31 · 10 6 | 184 27 · 10 6 | |||
| Coefficient of Thermanl expansion from 20°C / 70°F | per °C per °F | – | 11.6 · 10-6 6.4 · 10-6 | 11.9 · 10-6 6.6 · 10-6 | |||
| Thermal Conductivity | W/m °C Btu/sq. ft. h °F/in. | 24 166 | 28 194 | 27 187 | |||
| Specific Heat | J/kg °C Btu/lb °F | 420 0.10 | 510 0.12 | 600 0.14 | |||
| Country | USA | German | Japan |
| Standard | ASTM A600 | DIN EN ISO 4957 | JIS G4403 |
| Grades | M35 | 1.3243/HS6-5-2-5 | SKH55 |
| Thermal properties | Metric | Imperial |
| CTE, linear (@21 – 399°C / 69.8 – 750°F) | 11.4 μm/m°C | 6.33 μin/in°F |
| CTE, linear (@21 – 593°C /69.8 – 1100°F) | 11.5 μm/m°C | 6.39 μin/in°F |
| Type | SIZES (mm) | SIZES (Inches) | ISO Tolerance |
|---|---|---|---|
| Cold Drawn and Ground | 10.00 – 75.00 | 5/6″ – 2.50″ | h8-h9-h10-h11 |
| Peeled and Polished | 40.00 – 150.00 | 1.50″ – 6.00″ | h11, h11-DIN 1013 |
| Peeled and Ground | 20.00 – 50.00 | 3/4″ – 2.00″ | h9-h10-h11 |
| Cold Drawn and Polish | 3.00 – 75.00 | 1/8″ – 3.00″ | h8-h9-h10-h11 |
Yes, High-Speed Steel M35 is weldable, though it demands careful management of heat and preheating. To recover its hardness and performance, post-weld heat treatment is frequently required.
Yes, High-Speed Steel M35 bars allow customization of size, form, and surface texture. The machining and heat treatment procedures can likewise be adjusted to satisfy particular performance needs.
High Speed Steel M35 Bars are a mainstay in the cutting tool, machining, and manufacturing industries, owing to their outstanding hardness, wear resistance, and heat resistance. You’ll encounter them across a range of uses, such as drills, taps, milling cutters, gear cutters, reamers, and precision cutting tools. They excel in high-speed machining tasks where maintaining hardness and dimensional stability at high temperatures is essential. M35 Bars provide durable performance, precision, and reliability, making them the ideal option for producing industrial, automotive, aerospace, and tooling components that demand toughness and high efficiency.
We supply products accompanied by both mill test certificates and third-party test certificates, guaranteeing the highest standards of quality and compliance.
Al Summan Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Dubai, UAE
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