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Description

317LN High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 317LN
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy 317LN
S31700
317
S31703
317L
S31725
317LM
S31726
317LMN
S31727
S31753

Chemical composition(mass fraction)(wt.%) of the 317LN

 

 

C
Si
Mn
P
S
Cr Ni
0.03 0.75 2 0.045 0.03 18-20 11-15
Mo Al Cu Nb Ti V Ce
3-4            
N Co Pb B Other    
0.1-0.22            
             

Mechanical Properties of steel grade 317LN

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)
977 (≥) 152 (≥) 11 32 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade 317LN

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
44 - -     0.44 -  
933 495 - 44.3 122   -  
193 - 32 21.2   114 421

Heat Treatment of steel grade 317LN

Heat treated : 1597°C - 1657°C

Technological Curves of steel grade 317LN

Cross Reference Table (Equivalent Grade) of 317LN

Grade Standard Country Application
STS317LN KS standard austenite stainless steel bars(KS D3706-1992)
CNS 317LN China China Taiwan Stainless steel

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