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Global 企业标准 RDN221 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: RDN221 / RDN221
Category Grade Standard Region/Area Standard Content
Metals RDN221 -- Global

Chemical composition(mass fraction)(wt.%) of the RDN221

Element Min Max Similar

Mechanical Properties of steel grade RDN221

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)
898 (≥) 369 (≥) 12 14 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade RDN221

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
14 - -     0.23 -  
195 983 - 43.3 233   -  
552 - 43 13.2   212 143

Heat Treatment of steel grade RDN221

Heat treated : 1944°C - 1524°C

Technological Curves of steel grade RDN221

Cross Reference Table (Equivalent Grade) of RDN221

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