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Description

SL9N520 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SL9N520
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel SL9N520
SLA 235B
SLA 325A
SLA 325B
SLA 365
SLA 410
SL2N255
SL3N255
SL3N275
SL3N440
SL5N590

Chemical composition(mass fraction)(wt.%) of the SL9N520

C
Si
Mn
P
S
Cr Ni
 0.12 0.3  0.9   0.025 0.025    8.5-9.5
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
          -196 ℃  
             

Mechanical Properties of steel grade SL9N520

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)
694 (≥) 519 (≥) 42 43 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade SL9N520

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
33 - -     0.32 -  
338 277 - 11.3 232   -  
516 - 11 11.2   221 423

Heat Treatment of steel grade SL9N520

Heat treated : 1851°C - 1415°C

Technological Curves of steel grade SL9N520


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