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Description

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

Datasheet for: Steel Grades:High Alloy: 347H
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy 347H
321 H
S32615
S32654
S33228
S33400
334
S34565
S34700
347
S34709

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

 

 

C
Si
Mn
P
S
Cr Ni
0.04-0.1 0.75 2 0.045 0.03 17-19 9-13
Mo Al Cu Nb Ti V Ce
      8*C~1.0      
N Co Pb B Other    
             
             

Mechanical Properties of steel grade 347H

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)
789 (≥) 523 (≥) 11 41 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade 347H

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
23 - -     0.41 -  
419 828 - 22.3 121   -  
888 - 21 42.2   314 223

Heat Treatment of steel grade 347H

Heat treated : 1377°C - 1448°C

Technological Curves of steel grade 347H

Cross Reference Table (Equivalent Grade) of 347H

Grade Standard Country Application
SUS347HFB JIS Japan austenitic special steel
SUS347HTP JIS Japan austenitic special steel

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