6" x 7 7/16" Carbon Steel Heavy Duty Weld-On Hinge with Load Capacity up to 4,000 lbs - 2100LH

Fabricated from cold and hot rolled 1018 carbon steel. These high capacity weld-on hinges are provided with grease seals. Grease seals are used to ensure a long hinge life by keeping grease in and contamination out. Excellent choice lead filled radiation doors. Alloy steel pin.

https://www.kieslermachine.com/heavy-duty-hinges/2100-lh-6-inch-x-7-7-16-inch-carbon-steel-heavy-duty-hinge/