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SEV 345/SEV 35

Description

Korea KS SEV 345/SEV 35 Used for pressure vessels in normal temperature, high strength steel plate steel grade and SEV 345/SEV 35 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SEV 345/SEV 35
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SEV 345/SEV 35 KS Korea Used for pressure vessels in normal temperature, high strength steel plate steel grade
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
SEV 245/SEV 25
SEV 295/SEV 30

Chemical composition(mass fraction)(wt.%) of the SEV 345/SEV 35

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 0.35 0.05

Mechanical Properties of steel grade SEV 345/SEV 35

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)
317 (≥) 761 (≥) 13 31 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade SEV 345/SEV 35

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
21 - -     0.14 -  
162 353 - 23.3 444   -  
245 - 41 31.2   244 234

Heat Treatment of steel grade SEV 345/SEV 35

Heat treated : 1832°C - 1793°C

Technological Curves of steel grade SEV 345/SEV 35

Cross Reference Table (Equivalent Grade) of SEV 345/SEV 35

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

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