EN10216-2 14MoV6-3 seamless steel pipe/steel tube has good plasticity and toughness, cold bending property and welding performance. 14MoV6-3 seamless steel pipe is suitable for manufacturing nuclear steel containment vessel, pressure vessels, equipment structure and so on.

14MoV6 steel Chemical composition   
C(%):    0.10～0.18
Si(%):    0.10～0.35
Mn(%):    0.40～0.70
P(%)≤:    0.035
S(%)≤:    0.035
Cr(%):    0.30～0.60
Mo(%):    0.50～0.70
Ni(%):    —
Other(%):    V 0.22～0.32

14MoV6-3 seamless steel pipe/tube Mechanical property and heat treatment practice
Hot working temperature /℃:    1100～850
Heat treatment temperature /℃|annealing / normalizing :   650~700
Heat treatment temperature /℃|quenching:    940~980 air
Heat treatment temperature /℃|tempering:    630~750
HBS:    145~190
(≥)|σb/MPa:    490～640
(≥)|σs/MPa:    345
(≥)|δ5(%):    20
(≥)|AKV/J:    41

14MoV6-3 seamless steel pipe/tube manufacturing technique:  
According to the steel grade and quality requirement, the melting of steel can adopt basic oxygen furnace, open- hearth furnace, electric arc furnace, electroslag remelting, vacuum degassing, and appropriate heat treatment.