Heavy (or Quarto) plates get their name from the rolling process where large slabs are individually rolled along both axis (four sides) to form plates which are commonly used in the construction, marine, boiler, and pressure vessel industry. NovioStaal supplies heavy plates in a large variety of qualities including Weather-resistant (), High strength, Low-Alloy, Pressure-resistant, High-carbon, and Quenchable qualities. Below you'll find the most common qualities and dimensions which we supply. Do you require something different? We'd be happy to help!