Longtaidi supplies a full range of Carbon steel Flanges from raw forgings to special fabrications for deliveries that are required with shortest possible lead times. Sizes are available from ½” – 48”, We supply Slip-On; Weld-Neck; Blind; Screwed; Socket-Weld; Raised Face; Flat Faced; Ring Type Joint and Special design such as long weld-necks & special