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EU EN DR620 冷轧锡轧制品 - 电解锡板和电解铬/氧化铬涂层钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: DR620 / DR 620
Category Grade Standard Region/Area Standard Content
Metals DR 620 EN 10202 EU 冷轧锡轧制品 - 电解锡板和电解铬/氧化铬涂层钢板

Chemical composition(mass fraction)(wt.%) of the DR 620

Element Min Max Similar

Mechanical Properties of steel grade DR 620

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)
414 (≥) 931 (≥) 21 32 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade DR 620

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
31 - -     0.32 -  
947 272 - 34.3 434   -  
372 - 31 14.2   143 211

Heat Treatment of steel grade DR 620

Heat treated : 1563°C - 1992°C

Technological Curves of steel grade DR 620

Cross Reference Table (Equivalent Grade) of DR 620

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