Description and Application33NiCrMoV14-5 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 StandardEN 10250 Open steel die forgings for general engineering purposes. Alloy special steelsChemical 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: 550-650oCMill′s test certificate:EN 10204/3.1 with all relevant data reg. chem. composition, mech. properties and results of testing.