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Description

347LN High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 347LN
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy 347LN
300M
302HQ-FM
303Al Mod
304HN
304SCQ
316SCQ
317LM
317L4
307
318

Chemical composition(mass fraction)(wt.%) of the 347LN

C
Si
Mn
P
S
Cr Ni
0.005-0.020 0.75 2.00 0.040 0.030 17.0-20.0 9.00-13.0
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
0.06-0.10       Nb/Ta0.20-0.50    
             

Mechanical Properties of steel grade 347LN

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)
738 (≥) 862 (≥) 42 44 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical Properties of steel grade 347LN

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 - -     0.14 -  
999 916 - 42.3 344   -  
754 - 24 41.2   142 243

Heat Treatment of steel grade 347LN

Heat treated : 1664°C - 1757°C

Technological Curves of steel grade 347LN


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