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SBB 480M/SBB 49M

Description

Korea KS SBB 480M/SBB 49M Boiler and pressure vessel with carbon steel plate and steel grade molybdenum alloy steel plate and SBB 480M/SBB 49M Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SBB 480M/SBB 49M
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SBB 480M/SBB 49M KS Korea Boiler and pressure vessel with carbon steel plate and steel grade molybdenum alloy steel plate
SPPV 410 /SPPV 42
SPPV 450 /SPPV 46
SPPV 490 /SPPV 50
SEV 245/SEV 25
SEV 295/SEV 30
SEV 345/SEV 35
SBB 410/SBB 42
SBB 450/SBB 46
SBB 450M/SBB 46M
SBB 480/SBB 49

Chemical composition(mass fraction)(wt.%) of the SBB 480M/SBB 49M

C(%) Si(%) Mn(%) P(%) S(%) Mo(%)
0.20 0.15-0.30 0.90 0.035 0.040 0.45-0.60

Mechanical Properties of steel grade SBB 480M/SBB 49M

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)
388 (≥) 479 (≥) 33 43 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade SBB 480M/SBB 49M

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 - -     0.22 -  
721 995 - 22.3 123   -  
421 - 33 11.2   223 344

Heat Treatment of steel grade SBB 480M/SBB 49M

Heat treated : 1589°C - 1515°C

Technological Curves of steel grade SBB 480M/SBB 49M

Cross Reference Table (Equivalent Grade) of SBB 480M/SBB 49M

Grade Standard Country Application
SBB 480M/SBB 49M KS Korea Boiler and pressure vessel with carbon steel plate and steel grade molybdenum alloy steel plate

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