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SEV 245/SEV 25

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SPPV 490 /SPPV 50 SEV 295/SEV 30
#SEV245

Description

Korea KS SEV 245/SEV 25 Used for pressure vessels in normal temperature, high strength steel plate steel grade and SEV 245/SEV 25 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SEV 245/SEV 25
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SEV 245/SEV 25 KS Korea Used for pressure vessels in normal temperature, high strength steel plate steel grade
Z8 CND 17-04
SHY 685NS
SHY 685N / SHY 70N
SHY 685 /SHY 70
SPPV 235/SPPV24
SPPV 315 /SPPV 32
SPPV 355 /SPPV 36
SPPV 410 /SPPV 42
SPPV 450 /SPPV 46
SPPV 490 /SPPV 50

Chemical composition(mass fraction)(wt.%) of the SEV 245/SEV 25

C(％) Si(％) Mn(％) P(％) S(％) Mo(％) V(%) Cu(%) Nb(%) Other(%)
0.20 0.15-0.60 0.80-1.60 0.035 0.035 0.35 0.10 0.35 0.05 CE:0.44-0.46

Mechanical Properties of steel grade SEV 245/SEV 25

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)
914 (≥) 131 (≥) 24 44 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade SEV 245/SEV 25

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
11 - -     0.34 -  
328 494 - 21.3 412   -  
681 - 44 32.2   313 322

Heat Treatment of steel grade SEV 245/SEV 25

Heat treated : 1574°C - 1326°C

Technological Curves of steel grade SEV 245/SEV 25

Cross Reference Table (Equivalent Grade) of SEV 245/SEV 25

Grade Standard Country Application
SEV245 CNS China China Taiwan Structural steel
SEV 245/SEV 25 KS Korea Used for pressure vessels in normal temperature, high strength steel plate steel grade
SPPV 490 /SPPV 50 SEV 295/SEV 30
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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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