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Germany DIN D7-1 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: D7-1 / D7-1
Category Grade Standard Region/Area Standard Content
Metals D7-1 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 D7-1

Element Min Max Similar
S - 0.0500 -
P - 0.0600 -
Mn - 0.4500 -
C - 0.0800 -

Mechanical Properties of steel grade D7-1

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)
215 (≥) 684 (≥) 41 11 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade D7-1

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
13 - -     0.23 -  
271 586 - 21.3 431   -  
134 - 32 23.2   424 422

Heat Treatment of steel grade D7-1

Heat treated : 1427°C - 1861°C

Technological Curves of steel grade D7-1

Cross Reference Table (Equivalent Grade) of D7-1

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