Aerospace Series Heat Resisting Alloy FE-PA4901 (X12CrNiCoMoW21-20) Solution Treated and Precipitation Treated Forgings De Less Than or Equal to 100 mm Edition P1
This standard specifies a method of checking the resistance of optical connection elements(including permanent connections) and fibre optic couplers to fluids and lubricants. It shall be used together with EN 2591.