Spirograph San Mai Damascus Steel Billet – Stainless & Carbon
Our Spirograph San Mai collection showcases our latest innovation in Damascus steel, available in both carbon and stainless steel versions for exceptional performance and striking visuals.
Carbon Steel Version: Built around an O-1 tool steel core for outstanding edge retention and toughness, clad with layers of the same 0-1 steel and pure Nickel 201 for a bold, high-contrast look.
Stainless Steel Version: Offered with premium core steels including Nitro-V, Magnacut, AEB-L, or XHP, wrapped in layers of 440C and 302 stainless steel for the perfect balance of corrosion resistance and durability.
The exterior of both versions features our signature Spirograph Damascus pattern — meticulously stacked, welded, and forged to create mesmerizing, intricate designs. Each billet is a blend of modern metallurgical precision and timeless craftsmanship.
Perfect for knife makers and metal artisans who demand both performance and aesthetics in their work.
Our Spirograph San Mai collection showcases our latest innovation in damascus steel. We can make it in both carbon and stainless steel versions.
The carbon steel variant centers around a 0-1 tool steel core, renowned for its exceptional edge retention and robustness, encased in layers of the same 0-1 steel and nickel, creating a durable and visually striking combination.
The stainless steel version features various core options like Nitro-V, Magnacut, Aeb-L and XHP core. The core is enveloped by layers of 440C and 302 stainless steel, offering a perfect balance of durability and aesthetic appeal.
The exterior of both versions is adorned with our Spirograph Damascus, notable for its intricate, captivating patterns. These meticulously stacked and fused layers culminate in a billet that is not just a feast for the eyes but also a testament to unparalleled performance. Whether in carbon or stainless steel, our Spirograph San Mai billets embody the zenith of modern metallurgical art, merging innovative materials with age-old techniques for truly extraordinary creations.
Tempering: Typical harnesses of 1095 carbon steel after tempering for 2 hours at different temperatures | ||
Grade | Temperature, °C (°F) | Rockwell hardness, HRC |
1095 high carbon steel, carbon content: 0.95% | 205°C (400°F) | 58 HRC |
260°C (500°F) | 57 HRC | |
315°C (600°F) | 52 HRC | |
370°C (700°F) | 47 HRC | |
425°C (800°F) | 43 HRC | |
480°C (900°F) | 42 HRC | |
540°C (1000°F) | 41 HRC | |
595°C (1100°F) | 40 HRC | |
650°C (1200°F) | 33 HRC |
Temperature | Hardness (2hour x2 guidline) |
300°F / 149°C | 65 |
350°F / 177°C | 63-64 |
400°F / 204°C | 60-61 |
450°F / 232°C | 57-58 |
500°F / 260°C | 55-56 |
550°F / 288°C | 53-54 |
600°F / 316°C | 52-53 |