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Korea KS TW430 Welded steel tubes for pressure purposes-Technical delivery conditions-Part 1:Unalloyed steels tubes with specified room temperature properties and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: TW430 / TW 430
Category Grade Standard Region/Area Standard Content
Metals TW 430 KS D ISO 9330-1 Korea Welded steel tubes for pressure purposes-Technical delivery conditions-Part 1:Unalloyed steels tubes with specified room temperature properties

Chemical composition(mass fraction)(wt.%) of the TW 430

Element Min Max Similar
C - 0.2100 -
Mn 0.4000 1.2000 -
P - 0.0400 -
S - 0.0400 -
Si - 0.3500 -

Mechanical Properties of steel grade TW 430

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)
373 (≥) 545 (≥) 32 44 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade TW 430

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 - -     0.34 -  
493 323 - 32.3 113   -  
351 - 12 22.2   331 334

Heat Treatment of steel grade TW 430

Heat treated : 1373°C - 1889°C

Technological Curves of steel grade TW 430

Cross Reference Table (Equivalent Grade) of TW 430

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