Categoria: | Sandvik | ||||
---|---|---|---|---|---|
ACI/CAST GRADE |
CE3MN, 5A | ||||
CAST ASTM | A890, A995 | ||||
CAST EN/DIN | 1.4469 GX2CrNiMoN26-7-4 | ||||
CAST UNS | J93404 | ||||
WROUGHT UNS |
S39275 | ||||
WROUGHT GRADE |
F53 | ||||
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES) | |||||
C | <0.03 | ||||
Cr | 25.0 | ||||
Ni | 7.0 | ||||
Mo | 4.2 | ||||
Other | 0.25N | ||||
PREn | >40 | ||||
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED) | |||||
Rp0.2[MPa] | 515 | ||||
Rm [MPa] | 690 | ||||
A % | 18 | ||||
Hardness [HB] | 200-280 | ||||
Impact [J] | 130 | ||||
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED) | |||||
Microstructure | Austenoferritic | ||||
ρ [kg/dm3] | 7.75 | ||||
α [μm/m∙K] (20 – 100 °C) | 13 | ||||
K [W/m∙K] | 15 | ||||
Cp [J/kg∙K] | 500 | ||||
Melting ΔT [°C] | – | ||||
WORKING CONDITIONS / FABRICATION | |||||
Heat Treatment | Solution Annealing | ||||
Weldability | Excellent | ||||
Machining | – | ||||
Patternmaker’s Shrinkage [%] | 2.3 |
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