Executive standard:GB4366-84, Added composition: Ti: (0.4~0.55)% Zr:(0.06~0.12)% C:(0.01~0.04) % Chemical composition: The products are made from FMo-1 with some Microelements addition. Density: 9.3g/cm3 Applications: mainly used for stainless steel, fiber steel and high- temperature alloy seamless steel tubes.