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X 8 Cr 30

Germany DIN X8Cr30 Round Wire Rod for Welding Filler Metals; Technical Conditions of Delivery and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X8Cr30 / X 8 Cr 30
Category Grade Standard Region/Area Standard Content
Metals X 8 Cr 30 DIN 17145 Germany Round Wire Rod for Welding Filler Metals; Technical Conditions of Delivery

Chemical composition(mass fraction)(wt.%) of the X 8 Cr 30

Element Min Max Similar
Si - 2.0000 -
S - 0.0250 -
P - 0.0350 -
Ni - 2.0000 -
Mn - 2.0000 -
Cr 28.5000 31.5000 -
C - 0.1000 -

Mechanical Properties of steel grade X 8 Cr 30

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)
214 (≥) 543 (≥) 24 21 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade X 8 Cr 30

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
41 - -     0.11 -  
824 394 - 31.3 243   -  
685 - 32 24.2   214 244

Heat Treatment of steel grade X 8 Cr 30

Heat treated : 1251°C - 1519°C

Technological Curves of steel grade X 8 Cr 30

Cross Reference Table (Equivalent Grade) of X 8 Cr 30

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