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SBB 410/SBB 42

Description

Korea KS SBB 410/SBB 42 Boiler and pressure vessel with carbon steel plate and steel grade molybdenum alloy steel plate and SBB 410/SBB 42 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SBB 410/SBB 42
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SBB 410/SBB 42 KS Korea Boiler and pressure vessel with carbon steel plate and steel grade molybdenum alloy steel plate
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
SEV 345/SEV 35

Chemical composition(mass fraction)(wt.%) of the SBB 410/SBB 42

C(%) Si(%) Mn(%) P(%) S(%)
0.24 0.15-0.30 0.90 0.035 0.040

Mechanical Properties of steel grade SBB 410/SBB 42

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)
581 (≥) 224 (≥) 23 44 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade SBB 410/SBB 42

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 - -     0.34 -  
344 588 - 31.3 413   -  
233 - 44 12.2   334 213

Heat Treatment of steel grade SBB 410/SBB 42

Heat treated : 1527°C - 1541°C

Technological Curves of steel grade SBB 410/SBB 42

Cross Reference Table (Equivalent Grade) of SBB 410/SBB 42

Grade Standard Country Application
SBB 410/SBB 42 KS Korea Boiler and pressure vessel with carbon steel plate and steel grade molybdenum alloy steel plate

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