Alloy 14

Designation

Name	The value
Designation GOST Cyrillic	14
Designation GOST Latin	14
Transliteration	14
By chemical elements	14

Description

Alloy 14 applies: for the production of long products, the manufacture of ingots and semifinished products and the manufacture of parts of special equipment, parts of aircraft and instrumentation.

Standards

Name	Code	Standards
Non-ferrous metals, including rare, and their alloys	В51	OST 1 92077-91, TU 1-5-132-78, TU 1-5-453-78

Chemical composition

Standard	C	Si	Fe	N	Al	V	Ti	Mo	O	Zr
OST 1 92077-91	≤0.1	≤0.12	≤0.25	≤0.04	3.5-5.6	0.5-2.5	Rest	1.8-3.5	≤0.15	≤0.3

Ti is the basis.
According to OST 1 92077-91 the total allowable content of Cu + Ni ≤ 0.10%, including Ni ≤ 0.08%. The amount of other impurities (not listed in the table, including copper and nickel) ≤ 0.30%. The content of hydrogen in ingots should be ≤ 0.006%. Addition of modifying additives in an amount of ≤ 0.003% is allowed. The alloy modified with boron has an additional index "B".

Mechanical properties

Section, mm	s_T\|s_0,2, MPa	σ_U, MPa	d₅, %	KCU, kJ/m²
The billet according to TU 1-5-132-78. Annealing
Образец 15х15	≥647	≥706	≥10	≥450

Description mechanical marks

Name	Description
s_T\|s_0,2	Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σ_U	Limit short-term strength
d₅	Elongation after rupture
KCU	Toughness