... can produce any shape according to customers’ need.Order sample: d=6mm, c=12mm, Le=200mm, Lu=180mm, a=30mmPlease specify as: dia6 ... . furnace temperature 1700C. When you place order, please choose suitable type according to your furnace working temperature. M1700 (heat furnace temperature 1650C ... ): dia3/6, dia4/9, dia6/12, dia9/18, dia12/24M1800 type (d/c): dia3/6, dia4/9, dia6/12, dia9/18, dia12 ...