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33NiCrMoV14-5 1.6956 Alloy Special Steels

33NiCrMoV14-5 1.6956 Alloy Special Steels  33NiCrMoV14-5 1.6956 Alloy Special Steels 33NiCrMoV14 5 1

33NiCrMoV14-5 1.6956 Alloy Special Steels

Description and Application

33NiCrMoV14-5 1.6956 Alloy Special Steels are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on.

All Grades Comparison

DIN EN
1.6956 33NiCrMoV14-5

Quality Standard

EN 10250 Open steel die forgings for general engineering purposes. Alloy special steels

Chemical Composition(%)

C Mn Si P S Cr Ni Mo V
0.28-0.38 0.15-0.40 0.40 max 0.035 max 0.035 max 1.00-1.70 2.90-3.80 0.30-0.60 0.08-0.25

Mechanical Properties(T=20°C if not differently stated)

Process Diameter(mm) Tensile Strength Rm (Mpa) Yield Strength Rp0.2 (Mpa) Elongation A5 (%) (l) Elongation A5 (%) (tr) Impact Value Kv (J) Room Temperature (l) Impact Value Kv (J) Room Temperature (tr)
QUENCHED AND TEMPERED 160 max 1100 min 980 min 10 min 7 min 28 min 17 min
QUENCHED AND TEMPERED 160-330 1000 min 820 min 12 min 8 min 48 min 27 min
QUENCHED AND TEMPERED 330-660 950 min 780 min 12 min 8 min 48 min 27 min

HEAT TREATMENT:

  • Hardening: Harden from a temperature of 820-890oC followed by oil or quenching.
  • Tempering: 550-650oC
  • Mill′s test certificate:

    EN 10204/3.1 with all relevant data reg. chem. composition, mech. properties and results of testing.