Plug-in pipe bend IEC 90° according to DIN EN 61386-1 / DIN EN 61386-21, for producing plug-in 90° corner connections of plug-in and socket pipes, sea water resistant and highly corrosion resistant. for plug-in pipe IEC: IESR ... AL for socket pipe fm: FM-MR ... AL Dimensions (approx. dimensions) for pipe Ø: 50 mm Inside Ø Di: 47.1 mm Material thickness t: 1.2 mm Inside radius Ri: 125 mm Classification: 4456 for heavy mechanical stress Surface: pressed / mill finish Material: aluminum alloy, material no. EN AW 5049 T66 Fintech model no. : IESB 50 AL