Nestled in the industrial heart of Safat, Kuwait, Nimish Metal has built a solid reputation as a trusted supplier and manufacturer of premier steel products. We understand that the foundation of any great project is superior materials. That’s why we take pride in offering our high-grade Tool and Die Steel S1 Bars, providing local industries with the reliable, durable steel needed to create, build, and innovate with complete confidence.
The composition of our S1 Tool Steel is a careful balance, featuring a moderate carbon content along with tungsten and chromium. This specific alloy recipe gives the steel excellent toughness and wear resistance, especially when heat-treated to a lower hardness. While it may not be as wear-resistant as some other tool steels, its remarkable ability to withstand heavy shock and impact makes it a unique and valuable material for demanding 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 should be stored in a dry, clean environment, away from moisture and chemicals. Use racks to prevent contact with the ground and minimize risk of rusting or damage.
Our S1 Tool Steel bars are specifically designed for applications where shock resistance is paramount. You will often find them being used for manufacturing critical components like jackhammer parts, thruster rings, and various striking tools. They are also exceptionally well-suited for creating heavy-duty machine parts, such as shear blades and punches, where durability under high-impact conditions is more critical than extreme surface hardness.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Nimish Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Safat, Kuwait
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