Available 24/7 at contact@steel-grades.com

International ISO P420NH 压力容器钢制产品-质量要求-第8部分:按正火或淬火和回火条件供应的具有高弹性极 限应力的可焊接的细晶粒钢板(厚度3-7 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: P420NH / P420NH
Category Grade Standard Region/Area Standard Content
Metals P420NH ISO 2604-8 International 压力容器钢制产品-质量要求-第8部分:按正火或淬火和回火条件供应的具有高弹性极 限应力的可焊接的细晶粒钢板(厚度3-7

Chemical composition(mass fraction)(wt.%) of the P420NH

Element Min Max Similar
N - 0.0200 -
Cu - 0.6000 -
Mo - 0.4000 -
Ni - 0.7000 -
Cr - 0.4000 -
P - 0.0350 -
S - 0.0350 -
Mn 1.0000 1.7000 -
Si - 0.5000 -
C - 0.2000 -

Mechanical Properties of steel grade P420NH

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
339 (≥) 474 (≥) 23 23 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade P420NH

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
22 - -     0.33 -  
581 543 - 31.3 414   -  
611 - 41 24.2   123 423

Heat Treatment of steel grade P420NH

Heat treated : 1458°C - 1735°C

Technological Curves of steel grade P420NH

Cross Reference Table (Equivalent Grade) of P420NH

Available Suppliers

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com
  • Do you supply this P420NH?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top