Special Alloy and Stainless Steel Pipe 1.Size: (60-630) x (5-50) x (4000 - 13000) ... :T/T,L/C,OA Special Stainless Steel Pipe, alloy and seamless thick wall pipe Applications range: for use in the petroleum, smelting ... , power, paper-making, chemical, medical equipment, aviation, boiler heat-exchanger and other fields Special Alloy and Stainless Steel Pipe