Neil Metals, a top-notch manufacturer and supplier located in Kolkata, India, specializes in providing high-quality High Speed Steel T15 Bars designed for tough tooling and machining tasks. Renowned for its outstanding hot hardness and wear resistance, T15 steel is perfect for high-performance cutting tools that operate under extreme conditions. Neil Metals prides itself on precision manufacturing, consistent quality, and strict compliance with global standards, ensuring that their T15 bars boast excellent dimensional accuracy and metallurgical integrity. With a solid presence throughout India and in international markets, Neil Metals caters to a variety of industries, including aerospace, automotive, die-making, and general engineering.
High Speed Steel T15 Bars are made from tungsten-cobalt-based tool steels, primarily consisting of Carbon (around 1.5%), Tungsten (approximately 12–18%), Chromium (about 4%), Vanadium (around 5%), and Cobalt (roughly 5%). This unique blend gives T15 bars remarkable red hardness, abrasion resistance, and compressive strength. They maintain a hardness level above 65 HRC even at high temperatures, making them ideal for long-lasting cutting and forming tasks. The inclusion of cobalt boosts their hot strength and thermal fatigue resistance, which helps extend tool life during high-speed operations.
| ASTM A600 | C | Si | Mn | Cr | Mo | P | S | V | W | Co |
| T15 | 1.50～1.60 | 0.15～0.40 | 0.15～0.40 | 3.75～5.00 | ≤1.00 | ≤0.030 | ≤0.030 | 4.50～5.25 | 11.75～13.0 | 4.75～5.25 |
| DIN W-Nr | C | Si | Mn | Cr | Mo | P | S | V | W | Co |
| 1.3202 | 1.30～1.45 | ≤0.45 | ≤0.40 | 3.80～4.50 | 0.70～1.00 | ≤0.030 | ≤0.030 | 3.50～4.00 | 11.50～12.50 | 4.50～5.00 |
| GB/T | C | Si | Mn | Cr | Mo | P | S | V | W | Co |
| W12Cr4V5Co5 | 1.50～1.60 | 0.15～0.40 | 0.15～0.40 | 3.75～5.00 | ＜1.00 | ≤0.030 | ≤0.030 | 4.50～5.25 | 11.75～13.00 | 4.75～5.25 |
| BS | C | Si | Mn | Cr | Mo | P | S | V | W | Co |
| BT15 | 1.40～1.60 | ≤0.40 | ≤0.40 | 4.25～5.00 | ≤1.00 | ≤0.030 | ≤0.030 | 4.75～5.25 | 12.0～13.0 | 4.50～5.50 |
| JIS | C | Si | Mn | Cr | Mo | P | S | V | W | Co |
| SKH10 | 1.45～1.60 | ≤0.45 | ≤0.40 | 3.80～4.50 | – | ≤0.030 | ≤0.030 | 4.20～5.20 | 11.50～13.50 | 4.20～5.20 |
| Density | 0.296 lb/in3 (8193 kg/m3) |
| Modulus Of Elasticity | 30 x 106 psi (207 GPa) |
| Machinability | 40-45% of a 1% carbon steel |
| Specific Gravity | 8.19 |
| AISI/ASTM | Werkstoff | EN/DIN | BS | JIS/KS |
| T15 | 1.3202 | S12-1-4-5 | BT15 | SKH10 |
| Annealing | Preheat | Austenitizing | Quench | Tempering |
| Temp °F | Temp °F | Temp °F | Medium | Temp °F |
| 1550/1600 | 1500/1550 | 2200/2250 | Salt/Oil/Atm | 1025/1050 |
High-Speed Steel T15 bars are sized by their diameter and length, typically ranging from small diameters for precision tools to larger sizes for heavy-duty applications, tailored to customer specifications.
Yes, High-Speed Steel T15 bars are recyclable. They can be melted down and repurposed into new products, making them an environmentally friendly option for sustainable manufacturing and reducing material waste.
These High Speed Steel T15 Bars are commonly used to manufacture high-performance cutting tools like end mills, reamers, form tools, taps, broaches, and metal saws. Their impressive hot hardness and edge retention make them perfect for machining hard materials, superalloys, and stainless steels at high speeds. T15 bars also find applications in cold working, punches, and dies where extreme wear and heat resistance are crucial. Frequently utilized in the aerospace, defense, and automotive industries, T15 HSS ensures longer tool life, minimized downtime, and consistent productivity in essential manufacturing processes.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Neil Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Kolkata, India
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