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BTSTE 255 TM

Germany VdTüV BTSTE255TM Weldable thermomechanically deformed fine-grain steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: BTSTE255TM / BTSTE 255 TM
Category Grade Standard Region/Area Standard Content
Metals BTSTE 255 TM WB 448 Germany Weldable thermomechanically deformed fine-grain steels

Chemical composition(mass fraction)(wt.%) of the BTSTE 255 TM

Element Min Max Similar
C - 0.0900 -
Mn 0.5000 1.3000 -
P - 0.0300 -
S - 0.0150 -
Si - 0.5000 -
Ni - 0.3000 -
Mo - 0.1500 -
Ti - 0.0500 -
N - 0.0200 -
Al 0.0150 - -
Nb - 0.0500 -
Cr+Cu+Mo - 0.5000 -
Nb+V+Ti - 0.0800 -

Mechanical Properties of steel grade BTSTE 255 TM

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)
273 (≥) 385 (≥) 43 43 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade BTSTE 255 TM

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 - -     0.33 -  
747 267 - 11.3 443   -  
576 - 43 43.2   131 333

Heat Treatment of steel grade BTSTE 255 TM

Heat treated : 1956°C - 1855°C

Technological Curves of steel grade BTSTE 255 TM

Cross Reference Table (Equivalent Grade) of BTSTE 255 TM

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