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STHA 13

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STHA 12 STHA 20
#STHA13

Description

Korea KS STHA 13 Boiler steel grade and alloy steel tubes for heat exchanger and STHA 13 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 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

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 of steel 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)
681 (≥) 951 (≥) 14 12 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade STHA 13

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
42 - -     0.23 -  
443 519 - 33.3 111   -  
721 - 21 34.2   224 231

Heat Treatment of steel grade STHA 13

Heat treated : 1497°C - 1231°C

Technological Curves of steel grade STHA 13

Cross Reference Table (Equivalent Grade) of STHA 13

Grade Standard Country Application
STHA 13 KS Korea Boiler steel grade and alloy steel tubes for heat exchanger
STHA 12 STHA 20
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Jiangyou Longhai Special Steel Co.,Ltd.
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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