At McInnes, seamless describes more than our rings. McInnes Rolled Rings, located in Erie, Pennsylvania, started operations i ... n 1992. Today, McInnes Rolled Rings is focused exclusively on producing quality seamless rolled rings. The Erie facility remains the industry standard for productivity, cost control and speed. The latest in ring rolling technology and ISO 9001 and AS9100 certifications ensures quality and high customer satisfaction from quote to delivery. Our Process Our seamless ring rolling process produces a forged steel ring to tight tolerances, which allows for minimum material allowance and very little waste. Seamless rolled rings offer superior integrity for demanding engineering applications. Seamless rolled rings also provide a cost effective alternative to fabricating rings from steel plate (ASTM A36 or ASTM A516 Grade 70). Our Products McInnes Rolled Rings produces seamless rolled rings ranging from 4” (100mm) to 144” (3660mm) in carbon, alloy and stainless steel. Our seamless rolled rings are used in: • Ball and roller bearings • Power transmission • Power generation • Textile machinery • Pulp & paper • Pressure vessel • Wind turbine bearing • Steel fabrication • Aerospace industries By combining the latest in ring rolling technology with experienced people, McInnes delivers steel rolled rings at the lowest possible cost. To experience seamless rolled ring speed and service, contact us today. read more