Shanxi Province-based Chinese steel producer Taiyuan Iron and Steel Group (Taiyuan Steel) has announced that on March 19 its 10Cr18Ni9NbCu3BN and 07Cr25Ni21NbN refractory seamless steel tubes were both found by experts to be in line with national standards.
The products in question are used in boilers in supercritical power stations. Experts found that the surface quality, chemical composition, mechanical properties, processing properties and metallographic structure of the refractory seamless steel tube products adhered to national standards.