Brass Lsdch

Designation

Name	The value
Designation GOST Cyrillic	ЛСдч
Designation GOST Latin	LCdch
Transliteration	LSdch
By chemical elements	ЛPbдч

Description

Brass Lsdch used: for the manufacture of injection molding and other types of casting; bushing and bearing cages.

Note

Brass stamps Lsdch is a charging material for the melting of brass stamps LC40S.

Standards

Name	Code	Standards
Secondary non-ferrous metals, alloys, and waste	В57	GOST 1020-97

Chemical composition

Standard	Mn	Si	Ni	Fe	Cu	Al	Sn	Sb	Pb	Zr
GOST 1020-97	≤0.5	≤0.1	≤0.5	≤0.5	59-61	≤0.1	≤0.5	≤0.05	0.8-1.5	Rest

Zr is the base.
In the mass fraction of copper, nickel can be included, in which case nickel is not taken into account in the sum of the impurities.
Total total content of impurities ≤1,40%.
The ratio (Fe + Mn) / Si should be for brass grades LSDh - from 4 to 6.

Mechanical properties

s_T\|s_0,2, MPa	σ_U, MPa	d₅, %
Chill casting
160-178	405-419	≥30

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