STAINLESS STEEL HK40 HP40 CENTRIFUGAL CASTING TUBE   1.       Material: HH, HK, HP etc. or as customers’ request   2.       Specification: Outer diameter: 55mm-580mm            Thickness: 5mm,6mm,7mm or customized            Length: Usually less than 5000m according to clients' request.   3.       Category: I-type, U-type or W-type   4.       Working temperature: Depending on the materials (max 1300 C)   5.       Welding consumables:  similar to or higher than base materials or as per the buyers’ requirements   6.       Application: Heat resistant alloy radiant tubes are widely used in petrochemical, metallurgical and heat treatment industries.   7.       Package: packed by seaworthy wooden case or according to buyers’ request   8.       Delivery time: according to the quantity of the P.O. usually 30-40 days after the order is confirmed.   9.       We can make radiant tubes, furnace rollers and other dewaxing or sand casting products according to customers’ DRAWINGS.   10.   Process-centrifugal casted and machined subsequently; the details are as following: a.       Smelting b.       Casting c.       Finish machining