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Description

304HN Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: 304HN
Category Type Steel Grade Standard Country Application
Steel GradesStainless Steel 304HN
304H
S30409
S30415
XM-7
S30430
S30432
304N
S30451
XM-21
S30452

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

C
Si
Mn
P
S
Cr Ni
0.08  1.00  2.00  0.045  0.030  18.0-20.0  8.00-10.0 
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
0.16-0.30             
             

Mechanical Properties of steel grade 304HN

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)
516 (≥) 743 (≥) 11 44 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade 304HN

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 - -     0.22 -  
695 926 - 33.3 322   -  
284 - 23 42.2   141 234

Heat Treatment of steel grade 304HN

Heat treated : 1161°C - 1525°C

Technological Curves of steel grade 304HN


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