... 240-4000mm 4. Working life more than 8000 hours W Shape SiC Heating Elements with the terminals at one ... 8-3.6When you place an order of the W Shape SiC Heating Elements, please give following information:OD ... Total Length, A: Shank Spacing Order Sample of the W Shape SiC Heating ElementW Shape: OD=20mm, HZ=250mm ... As: 20/250/625/52/0.9Ω 1600C W type Silicon Carbide heating elements (ISO9001:2000) (HOT)