Percentage composition, GOST 3640−94
The primary zinc is a fairly soft metal. Minimum zinc content of 99.975%. The hardness of the cast alloy HB 10 -1 = 30 — 40 N/mm2, Hardness deformirovannogo alloy HB 10 -1 = 35 — 45 N/mm2.
Mechanical properties (t° 20°C)
The physical properties of the material
|t°C||E 10— 5||a 10 6||l||r|
blower SB — the ultimate short-term strength
sT — the Limit of proportionality (yield strength for permanent deformation)
d5 — elongation at break.
HB — Hardness Brinell
E — the Modulus of elasticity of the first kind [MPa]
y — the Relative narrowing
The melting point of 419.5°C, the casting temperature of 430 — 450 °C, the temperature of the heat treatment of 150 — 170 °C, linear shrinkage of 1.57%.
Plastic deformation, extractor, grinding, drilling.
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