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P 355 NH

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France AFNOR NF P355NH 承压钢锻件 - 第4部分：可焊细晶粒高屈服强度钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: P355NH / P 355 NH
Category Grade Standard Region/Area Standard Content
Metals P 355 NH NF EN 10222-4 France 承压钢锻件 - 第4部分：可焊细晶粒高屈服强度钢

Chemical composition(mass fraction)(wt.%) of the P 355 NH

Element Min Max Similar
V - 0.1000 -
Ti - 0.0400 -
Si - 0.5000 -
S - 0.0200 -
P - 0.0250 -
Ni - 0.5000 -
Nb+Ti+V - 0.1200 -
Nb - 0.0500 -
N - 0.0200 -
Mo - 0.0800 -
Mn 0.9000 1.7000 -
Cu - 0.3000 -
Cr+Cu+Mo - 0.4500 -
Cr - 0.3000 -
C - 0.2000 -
Al 0.0200 - -
V - 0.1000 -
Ti - 0.0300 -
Si - 0.5000 -
S - 0.0200 -
P - 0.0250 -
Ni - 0.5000 -
Nb+Ti+V - 0.1200 -
Nb - 0.0500 -
N - 0.0200 -
Mo - 0.0800 -
Mn 0.9000 1.7000 -
Cu - 0.3000 -
Cr+Cu+Mo - 0.4500 -
Cr - 0.3000 -
C - 0.2000 -
Al 0.0200 - -
V - 0.1000 -
Ti - 0.0400 -
Si - 0.5000 -
S - 0.0200 -
P - 0.0250 -
Ni - 0.5000 -
Nb+Ti+V - 0.1200 -
Nb - 0.0500 -
N - 0.0200 -
Mo - 0.0800 -
Mn 0.9000 1.7000 -
Cu - 0.3000 -
Cr+Cu+Mo - 0.4500 -
Cr - 0.3000 -
C - 0.2000 -
Al 0.0200 - -
V - 0.1000 -
Ti - 0.0300 -
Si - 0.5000 -
S - 0.0150 -
P - 0.0250 -
Ni - 0.5000 -
Nb+Ti+V - 0.1200 -
Nb - 0.0500 -
N - 0.0120 -
Mo - 0.0800 -
Mn 1.1000 1.7000 -
Cu - 0.3000 -
Cr+Cu+Mo - 0.4500 -
Cr - 0.3000 -
CEV - 0.4300 -
C - 0.1800 -
Al 0.0200 - -

Mechanical Properties of steel grade P 355 NH

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)
738 (≥) 638 (≥) 34 32 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade P 355 NH

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
43 - -     0.44 -  
484 328 - 43.3 112   -  
267 - 23 42.2   343 221

Heat Treatment of steel grade P 355 NH

Heat treated : 1463°C - 1644°C

Technological Curves of steel grade P 355 NH

Cross Reference Table (Equivalent Grade) of P 355 NH

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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