合金 NV3v

НВ3в
HB3b
NV3v
NiВ3в

ГОСТ В64 ГОСТ 13548-77
ГОСТ В51 ГОСТ 19241-80, ГОСТ 28873-90
ГОСТ В54 ГОСТ 2170-73
ТУ В55 ТУ 48-0814-115-2000
ТУ В53 ТУ 48-21-190-82

C S P Mn Si Ni Fe Cu Al Zn Sn Sb Pb Bi W O Mg Cd
ТУ 48-0814-115-2000 ≤0.08 ≤0.003 ≤0.001 ≤0.01 ≤0.006 ≤0.04 ≤0.02 ≤0.01 ≤0.004 ≤0.001 ≤0.001 ≤0.002 ≤0.001 2.5-3.5 ≤0.003 ≤0.04 ≤0.001

σB, МПа d5, % d10
≥340 ≥31 ≥30
≥440 ≥12 ≥10
≥540 ≥3 ≥2

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