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STKT 590

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Korea KS STKT590 High tensile strength steel tubes for tower structural purposes and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: STKT590 / STKT 590
Category Grade Standard Region/Area Standard Content
Metals STKT 590 KS D 3780 Korea High tensile strength steel tubes for tower structural purposes

Chemical composition(mass fraction)(wt.%) of the STKT 590

Element Min Max Similar
Si - 0.4000 -
S - 0.0300 -
P - 0.0300 -
Nb+V - 0.1500 -
Mn - 2.0000 -
C - 0.1200 -

Mechanical Properties of steel grade STKT 590

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)
622 (≥) 147 (≥) 22 41 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade STKT 590

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
32 - -     0.44 -  
633 117 - 43.3 224   -  
837 - 43 33.2   124 431

Heat Treatment of steel grade STKT 590

Heat treated : 1322°C - 1779°C

Technological Curves of steel grade STKT 590

Cross Reference Table (Equivalent Grade) of STKT 590

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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Jiangyou Longhai Special Steel Co.,Ltd.

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