Champak Steel & Engg. Co. Offers Alloy Steel Boiler Tubes. Champak Steel & Engg. Co. Is the manufacturer of steel. Alloy Steel Boiler Tubes withstand operating temperatures of about 600 degrees centigrade [1110 degrees Fahrenheit]. Alloy Steel Boiler Tubes has the pressure up to 320 bars. Alloy Steel Boiler Tubes in India are governed by the Indian Boiler Regulations Act. Alloy Steel Boiler Tubes are available in different grades.