NV3合金

НВ3
HB3
NV3
NiВ3

ГОСТ В64 ГОСТ 13548-77
ГОСТ В51 ГОСТ 19241-80, ГОСТ 28873-90
ГОСТ В54 ГОСТ 2170-73

C S P Mn Si Ni Fe Cu As Zn Sn Sb Bi W Mg Cd
ГОСТ 19241-80 ≤0.1 ≤0.005 ≤0.001 ≤0.03 ≤0.02 ≤0.07 ≤0.05 ≤0.001 ≤0.005 ≤0.001 ≤0.001 ≤0.001 2.5-3.5 ≤0.05 ≤0.001

σB, МПа d5, % d10
≥390 ≥35 ≥32
≥440 ≥12 ≥10
≥540 ≥3 ≥2

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