Alloy 19

Designation

Name	The value
Designation GOST Cyrillic	19
Designation GOST Latin	19
Transliteration	19
By chemical elements	19

Description

Alloy 19 is applied: for rolled metal production, manufacturing of ingots and semifinished products and the manufacture of parts of special and aviation equipment; rods for use in the shipbuilding industry.

Standards

Name	Code	Standards
Bars	В55	OST 1 92062-90, OST В 5.9325-79
Non-ferrous metals, including rare, and their alloys	В51	OST 1 92077-91, TU 1-5-453-78

Chemical composition

Standard	C	Si	Fe	N	Al	Ti	Nb	O	Zr
OST 1 92077-91	≤0.08	≤0.12	≤0.2	≤0.04	5-6.5	Rest	2.5-4	≤0.14	1-2.5

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 total content of vanadium and tin is no more than 0.15%. 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	d	y, %	KCU, kJ/m²
Bars hot rolled for OST 1 92062-9. In the column ssotoyanii delivery is specified as the material of bars in the manufacture of - state material of bars when testing
25-150	≥685	735-930	≥9	≥25	≥500
25-150	≥345	≥390	-	-	-

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
d	Elongation after rupture
y	The relative narrowing
KCU	Toughness