... 300lb, 400lb, 600lb,900lb, 1500lb,2500lb type specificationitem: carbon steel slip on flangesize: 1/2' to 48'standard: ANSI ... rust varnish, anti-rust oil,hot-galvanized, cold-galvanized, 3PE coating, epoxy coating, etc.package: plywood caseuse: petroleum, gas, chemical, metallurgy ... joint flange, etc. OEM to special requirement.pipe fittings: steel pipes, elbow, tee, cross, reducer, flange, cap, lap ...