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STR38

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STR37 STR309
#STR38

Description

Korea KS STR38 KS standard austenitic heat resistant steel and STR38 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: STR38
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy STR38 KS Korea KS standard austenitic heat resistant steel
STS410TKA
STS410TKC
STS420J1TKA
STS420J2TKA
STS430TKA
STS430TKC
STR31
STR35
STR36
STR37

Chemical composition(mass fraction)(wt.%) of the STR38

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) N(%)
0.25-0.35 Max 1.00 Max 1.20 0.18-0.25 Max 0.030 19.0-21.0 10.0-12.0 1.80-2.50 0.001-0.010

Mechanical Properties of steel grade STR38

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)
733 (≥) 921 (≥) 41 42 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade STR38

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
34 - -     0.34 -  
752 158 - 11.3 413   -  
838 - 33 43.2   143 313

Heat Treatment of steel grade STR38

Heat treated : 1232°C - 1722°C

Technological Curves of steel grade STR38

Cross Reference Table (Equivalent Grade) of STR38

Grade Standard Country Application
STR38 KS Korea KS standard austenitic heat resistant steel
STR37 STR309
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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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