Hemi Metals is a reputable manufacturer and supplier located in Hamilton, New Zealand, specializing in top-notch High Speed Steel T1 Bars that are perfect for high-performance machining tasks. With a keen emphasis on precision, consistency, and durability, the company crafts T1 bars that adhere to strict international standards. Thanks to their cutting-edge manufacturing processes, these bars boast impressive hardness, wear resistance, and cutting efficiency, making them ideal for tough industrial settings. Hemi Metals is dedicated to ensuring customer satisfaction by offering reliable delivery, expert technical support, and customized solutions, catering to the machining, automotive, tooling, and engineering sectors both in New Zealand and around the globe with trustworthy high-speed steel products.
High Speed Steel T1 Bars are made up of about 0.70–0.80% carbon, 4% chromium, 18% tungsten, along with small amounts of vanadium to enhance strength and wear resistance. This traditional tungsten-based HSS grade is known for its remarkable hardness, good red-hardness, and dependable cutting performance. In terms of mechanics, T1 bars deliver high compressive strength, solid toughness, and outstanding edge retention even under high-speed cutting conditions. Their robust resistance to abrasion guarantees a long service life, while stable heat-treated properties ensure consistent performance during continuous or heavy-duty machining tasks.
| ASTM A600 | C | Mn | P | S | Si | Cr | V | Mo | W | Co | ||||||||
| T1 | 0.62 | 0.80 | 0.10 | 0.40 | 0.03 | 0.03 | 0.20 | 0.40 | 3.75 | 4.50 | 0.90 | 1.30 | … | … | 17.25 | 18.75 | … | … |
| DIN ISO 4957 | C | Mn | P | S | Si | Cr | V | Mo | W | Co | ||||||||
| HS18-0-1/1.3355 | 0.73 | 0.85 | … | … | … | … | … | 0.65 | 3.60 | 4.50 | 1.00 | 1.20 | … | … | 17.20 | 18.70 | … | … |
| JIS G4403 | C | Mn | P | S | Si | Cr | V | Mo | W | Co | ||||||||
| SKH2 | 0.73 | 0.83 | … | 0.40 | 0.03 | 0.03 | … | 0.45 | 3.80 | 4.50 | 1.00 | 1.20 | … | … | 17.20 | 18.70 | … | … |
| Properties | Metric | Imperial |
| Density | 8.67 g/cm3 | 0.313 lb/in3 |
| Hardness, Rockwell C | 63.0 – 65.0 | 63.0 – 65.0 |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
| Elastic modulus | 190-210 GPa | 27557-30457 ksi |
| Country | USA | German | Japan |
| Standard | ASTM A600 | DIN EN ISO 4957 | JIS G4403 |
| Grades | T1 | HS18-0-1/1.3355 | SKH2 |
| Properties | Conditions | ||
| T (°C) | Treatment | ||
| Thermal expansion | 9.7 x 10-6/ºC | 20-200 more | – |
| Thermal conductivity | 19.9 x W/m-K | 100 more | – |
Yes, High-Speed Steel T1 bars can be welded, but it requires specialized techniques like preheating and post-weld heat treatment to prevent cracking and maintain their hardness and strength properties.
High-Speed Steel T1 bars resist corrosion due to the presence of chromium, which forms a protective oxide layer on the surface. This enhances their resistance to moisture and chemical wear, prolonging tool life.
High Speed Steel T1 Bars are commonly utilized in the production of cutting tools that need to operate efficiently at high temperatures and speeds. Typical applications include drills, taps, reamers, end mills, broaches, and lathe tools. Their exceptional wear resistance and heat stability make them perfect for machining steels, cast iron, and non-ferrous alloys. T1 bars are also employed in forming tools, punches, dies, and precision tooling for the automotive, aerospace, and engineering sectors. Their ability to maintain hardness during demanding operations makes them a reliable option for high-volume production and general-purpose cutting tasks.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Hemi Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Hamilton New Zealand
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