鋳鉄LR4

ЛР4
LP4
LR4
BeB4

ГОСТ В11 ГОСТ 4832-95

C S P Mn Cr Si Fe Al V Ti Pb Mg
ГОСТ 4832-95 3.4-4.5 ≤0.01 ≤0.12 ≤1 ≤0.04 2-2.4 ≤0.005 ≤0.05 ≤0.05 ≤0.005 ≤0.019

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