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SEV 345

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Japan JIS SEV345 中温或适温高强度压力容器钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SEV345 / SEV 345
Category Grade Standard Region/Area Standard Content
Metals SEV 345 JIS G3124 Japan 中温或适温高强度压力容器钢板

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

Element Min Max Similar
V - 0.1000 -
Si 0.1500 0.6000 -
S - 0.0300 -
P - 0.0300 -
Nb - 0.0500 -
Mo 0.1500 0.5000 -
Mn 0.8000 1.7000 -
Cu - 0.7000 -
CEV - - -
C - 0.1900 -

Mechanical Properties of steel grade SEV 345

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)
753 (≥) 384 (≥) 31 22 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade SEV 345

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
31 - -     0.32 -  
475 395 - 43.3 121   -  
719 - 32 42.2   132 324

Heat Treatment of steel grade SEV 345

Heat treated : 1724°C - 1112°C

Technological Curves of steel grade SEV 345

Cross Reference Table (Equivalent Grade) of SEV 345

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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