Our H13 NADCA Spec material is better known as LSI SuperMelt. This H13 material is specially produced to meet or exceed NADCA’s strict #207 specification. Our H13 SuperMelt is also a double melted material that is certified Mold Quality. This is the most carefully melted and cleanest H13 material available. It is readily available in Plate and Block forms. This material offers excellent hardenability, good temperature resistance, good abrasion resistance, excellent hardenability, and is highly machinable. The optimal hardness range is 45-52 HRC.
For more detailed information download the tech bulletin PDF below: