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P 345 NJ2

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France AFNOR NF P345NJ2 Steel products. Fine grain weldable steels for the transportation of dangerous products. Technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: P345NJ2 / P 345 NJ2
Category Grade Standard Region/Area Standard Content
Metals P 345 NJ2 NF A36-215 France Steel products. Fine grain weldable steels for the transportation of dangerous products. Technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the P 345 NJ2

Element Min Max Similar
V - 0.0200 -
Si - 0.5000 -
S - 0.0150 -
P - 0.0250 -
Ni - 0.3000 -
Nb - 0.0100 -
Mo - 0.0800 -
Mn 1.0000 1.7000 -
Cu - 0.3000 -
Cr+Cu+Mo+Ni - 0.7000 -
Cr - 0.3000 -
C 0.1000 0.2200 -
Al 0.0200 - -

Mechanical Properties of steel grade P 345 NJ2

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)
123 (≥) 875 (≥) 33 13 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade P 345 NJ2

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
33 - -     0.43 -  
124 722 - 42.3 323   -  
332 - 12 34.2   133 141

Heat Treatment of steel grade P 345 NJ2

Heat treated : 1978°C - 1787°C

Technological Curves of steel grade P 345 NJ2

Cross Reference Table (Equivalent Grade) of P 345 NJ2

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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Jiangyou Longhai Special Steel Co.,Ltd.

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