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SEV345

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SEV295 SB410
#SEV345

Description

China CNS SEV345 China Taiwan Structural steel and SEV345 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SEV345
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SEV345 CNS China China Taiwan Structural steel
SPHT4
SPHC
SPHD
SPHE
SGV410
SGV450
SGV450
SGV480
SEV245
SEV295

Chemical composition(mass fraction)(wt.%) of the SEV345

C(％) Si(％) Mn(％) P(％) S(％) Mo(％) V(%) Cu(%) Nb(%)
0.19 0.15-0.60 0.80-1.70 0.035 0.035 0.15-0.50 0.10 0.350 Max 0.050

Mechanical Properties of steel grade SEV345

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)
181 (≥) 816 (≥) 31 11 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade SEV345

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
24 - -     0.24 -  
487 256 - 33.3 434   -  
474 - 44 11.2   143 234

Heat Treatment of steel grade SEV345

Heat treated : 1637°C - 1794°C

Technological Curves of steel grade SEV345

Cross Reference Table (Equivalent Grade) of SEV345

Grade Standard Country Application
SEV345 CNS China China Taiwan Structural steel
SEV 345/SEV 35 KS Korea Used for pressure vessels in normal temperature, high strength steel plate steel grade
SEV295 SB410
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

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...

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