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Germany DIN D15-2 Wire rod produced from basic steel and unalloyed quality and special steels; technical terms of delivery and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: D15-2 / D 15-2
Category Grade Standard Region/Area Standard Content
Metals D 15-2 DIN 17140 Germany Wire rod produced from basic steel and unalloyed quality and special steels; technical terms of delivery

Chemical composition(mass fraction)(wt.%) of the D 15-2

Element Min Max Similar
Si 0.1000 0.3000 -
S - 0.0400 -
P - 0.0400 -
Mn 0.3000 0.6000 -
Cu - 0.2000 -
C 0.1300 0.1800 -

Mechanical Properties of steel grade D 15-2

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)
355 (≥) 294 (≥) 12 43 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade D 15-2

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
12 - -     0.21 -  
928 515 - 41.3 332   -  
931 - 13 11.2   112 412

Heat Treatment of steel grade D 15-2

Heat treated : 1535°C - 1823°C

Technological Curves of steel grade D 15-2

Cross Reference Table (Equivalent Grade) of D 15-2

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