... deg.C 4. CE,API,OHSAS10081 Namecorrugated expansion jointTypeaxile, lateral, single, double, universal, hingeSize 25 - 4,000mm (1 - 20")Work temperature ... standardAISI,GB/T14525-1999 or GB/T12777-2008 national standardMaterialcarbon steel , stainless steel , alloy steel , low-temperature steelCertificationCE, API, ISO9001, BV,SGS,LOIYDPackagingWooden cases ...