Steel 21 is a steel service center located in Cedar Springs, Michigan. We stock certified A36 and 4140 plate in 1/4″ increments starting at 3/4″ through 8″ thick. Our standard inventory is 96″ wide x 240″ long. We offer oxy-fuel and plasma plate cutting technology, allowing us to cut many different shapes. Our plasma burner is extremely accurate and efficient, and can cut through 2″ thick. We also offer our patent pending 21 Micro Milling process which holds tolerances 3x more flat and parallel, and has a 5x smoother finish than Blanchard Grinding. This process is not only faster, it is fully reclyclabe too! In addition to our burning and 21 Micro Milling, we offer fully machined details for all industries. So if you’re in need of any steel plate, make sure to send us a quote at!

Excellent quality and fast delivery!