Alloy 1205

Designation

Name The value
Designation GOST Cyrillic 1205
Designation GOST Latin 1205
Transliteration 1205
By chemical elements 1205

Description

Alloy 1205 is used: for the manufacture of welded structures of aerospace industry, working at cryogenic and elevated temperatures; composite materials for engine (connecting rods from 1205-SiC).

Standards

Name Code Standards
Non-ferrous metals, including rare, and their alloys В51 OST 1 90048-90

Chemical composition

Standard Mn Si Fe Cu Al Ti Zn Sn Zr Mg Cd
OST 1 90048-90 0.3-0.8 ≤0.3 ≤0.3 5.8-6.8 Rest 0.02-0.1 ≤0.1 ≤0.03 0.08-0.15 ≤0.02 0.1-0.2
Al is the base.
According to OST 1 90048-90, the mass fraction of each other impurity (not regulated) is ≤ 0.05%, the total mass fraction of other impurities is ≤ 0.15%.

Technological properties

Name The value
Weldability welded without any restrictions.
Corrosion resistance The alloy is not prone to stress corrosion cracking under tension.