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Hssd Dvn/ Hssd Dvn-nb 1.2367 Steel
Hssd Dvn/ Hssd Dvn-nb Uddeholm Dievar

HS DVN/ HS DVN-Nb Hot Work Die Steel


As high-performance Cr-Mo-V hot work die steel, HS DVN / HS DVN-Nb steel has high high-temperature strength and thermal fatigue resistance, is widely used in casting dies, hot extrusion dies, hot punching dies, hot forging dies, etc.

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Chemical properties of HS DVN/ HS DVN-Nb

Steel Grade

C

Si

Mn

P

S

Cr

Mo

V

Nb

HS DVN

0.35~0.40

0.10-0.30

0.30-0.50

≤0.010

≤0.003

4.80~5.20

2.20~2.60

0.40~0.70

-

HS DVN-Nb

0.35-0.40

0.10-0.30

0.30-0.50

≤0.010

≤0.003

4.80-5.20

2.20-2.60

0.40-0.70

0.06-0.15


Application of HS DVN/ HS DVN-Nb

  • The die steel products are to be widely used for casting dies, hot extruding dies, hot stamping dies, high-strength plastic dies, etc.


Features of HSSD HS DVN/ HS DVN-Nb

  • High impact toughness and high isotropy.

  • High performance of temper softening resistance, thermal fatigue resistance, thermal melting loss resistance.

  • High high-temperature strength, tensile strength in 650℃≥1100Mpa.

  • Good hardenability.

  • Good dimensional stability after heat treatment.


Recommended Heat Treatment of HS DVN/ HS DVN-Nb

Heating Temperature/℃

Cooling Way

Hardness (HRC)

Tempering Temperature/℃

Tempering Numbers

Hardness (HRC)

First Preheating

Second Preheating

Last Heating

500~600

820~860

1010~1030

Oil Cooling

53~55

560~620

≥3

46~50


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