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Description

304LN High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 304LN
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy 304LN
S30403
304L
S30409
304H
S30415
S30451
304N
S30452
XM-21J
S30453

Chemical composition(mass fraction)(wt.%) of the 304LN

 

 

C
Si
Mn
P
S
Cr Ni
0.03 0.75 2 0.045 0.03 18-20 8-12
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
0.1-0.16            
             

Mechanical Properties of steel grade 304LN

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)
268 (≥) 656 (≥) 43 23 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade 304LN

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
14 - -     0.31 -  
983 271 - 23.3 441   -  
188 - 31 14.2   144 341

Heat Treatment of steel grade 304LN

Heat treated : 1994°C - 1869°C

Technological Curves of steel grade 304LN

Cross Reference Table (Equivalent Grade) of 304LN

Grade Standard Country Application
CNS 304LN China CNS standard stainless steel austenite size
STS304LN KS standard austenite stainless steel bars(KS D3706-1992)
CNS 304LN China China Taiwan Stainless steel
CNS 304LN China China Taiwan Stainless steel

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