Tool and Die Steel S1 Bars are celebrated for their remarkable shock-resistant qualities, making them perfect for situations that involve heavy impacts. Crafted with precision, these bars strike a great balance between toughness, hardness, and wear resistance. Their reliability under repeated stress makes them a top choice for industrial settings that require durability and strength. With consistent quality and stability, Tool and Die Steel S1 Bars are favored in tooling, forging, and manufacturing industries where dependable performance is crucial for smooth and accurate operations.
These bars are primarily made up of silicon, manganese, chromium, and carbon, forming an alloy that boasts impressive impact strength and good hardenability. They show excellent shock resistance, decent abrasion resistance, and moderate heat resistance, allowing them to function effectively under significant mechanical loads. Their mechanical properties include high toughness, solid tensile strength, and the ability to maintain stability during sudden changes in force or temperature. These features enable S1 steel bars to provide a reliable service life in demanding tooling applications.
| C | Mn | Si | Cr | Ni | Mo | W | V | Cu | P | S |
| 0.40-0.55 | 0.10-0.40 | 0.15-1.20 | 1.00-1.80 | 0.30 | 0.50 | 1.50-3.00 | 0.15-0.30 | 0.25 | 0.03 | 0.03 |
| Properties | Metric | Imperial |
|---|---|---|
| Hardness, Rockwell C (air cooled from 899°C, 30 mins) | 54.5 | 54.5 |
| 56 | 56 | |
| Hardness, Rockwell C (air cooled from 982°C, 30 mins) | 56.5 | 56.5 |
| Modulus of elasticity | 207 GPa | 30000 ksi |
| Charpy impact (V-notch; oil quenched from 954°C; 149°C temper temperature) | 10.8 J | 8.00 ft-lb |
| Charpy impact (V-notch; oil quenched from 954°C; 625°C temper temperature) | 29.8 J | 22.0 ft-lb |
| Machinability (1% carbon steel) | 70.0 – 75.0% | 70.0 – 75.0% |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
| AISI / SAE | DIN / W.Nr | UNS | JIS | GB | AFNOR |
| S1 | 1.2550 | T41901 | G4053 | GB/T 3077 | 55 WC 20 |
| Properties | Conditions | ||
|---|---|---|---|
| T (°C) | Treatment | ||
| Thermal expansion | 12.4 x 10-6/ºC | 20-100 | – |
When choosing Tool and Die Steel S1 bars, consider hardness, wear resistance, toughness, machinability, heat treatment capabilities, and the specific requirements of the application to ensure optimal performance and durability.
Tool and Die Steel S1 bars resist corrosion due to their alloy composition, which includes elements like chromium and molybdenum. These elements form a protective oxide layer, enhancing resistance to oxidation and rust.
Tool and Die Steel S1 Bars are commonly used to create tools that need to endure repeated shock and impact, such as hammers, chisels, punches, shear blades, and cold-work tooling. Their outstanding toughness makes them ideal for applications like forging dies, riveting tools, and stamping components. S1 Bars are also employed in sectors like construction, automotive, and heavy machinery manufacturing, where impact-resistant tools are a must. With their capacity to withstand tough working conditions while retaining strength and reliability, S1 Bars guarantee dependable performance across various industrial and engineering applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Sadiki Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Kinshasa, Congo
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