STHA 13

This page provides STHA 13 datasheet, STHA 13 mechanical properties, chemical element STHA 13, technical specifications of STHA 13 steel material properties. STHA 13 performance specifications.

KS STHA 13
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel STHA 13 KS Korea Boiler steel grade and alloy steel tubes for heat exchanger
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
SBB 480M/SBB 49M
STHA 12
Datasheet for:Steel Grades:Structure Steel:STHA 13

Chemical composition(mass fraction)(wt.%) of the STHA 13

C(%) Si(%) Mn(%) P(%) S(%) Mo(%)
0.12-0.25 0.10-0.50 0.30-0.80 0.035 0.035 0.45-0.65

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade STHA 13

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)
563 (≥) 839 (≥) 31 34 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 111
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
41 - -     0.42 -  
353 177 - 23.3 312   -  
862 - 43 42.2   222 224
Heat treated : 1581°C - 1686°C
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
STHA 13 KS Korea
Boiler steel grade and alloy steel tubes for heat exchanger
STHA 13

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