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Description

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

Datasheet for: Steel Grades:High Alloy: 434
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy 434
S41050
S41500
S42035
S42900
429
S43000
430
S43035
439
S43400

Chemical composition(mass fraction)(wt.%) of the 434

 

 

C
Si
Mn
P
S
Cr Ni
0.12 1 1 0.04 0.03 16-18 0.75-1.25
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade 434

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)
861 (≥) 177 (≥) 22 12 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade 434

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
12 - -     0.44 -  
244 818 - 41.3 213   -  
875 - 33 23.2   213 422

Heat Treatment of steel grade 434

Heat treated : 1166°C - 1628°C

Technological Curves of steel grade 434

Cross Reference Table (Equivalent Grade) of 434

Grade Standard Country Application
SUS434 JIS Japan ferritic stainless steels
SUS434 JIS Japan ferritic stainless steel
434S17 austenitic special steel
434S20 austenitic special steel
1.4434 AFNOR France Austenite
STS434 Ferritic Steel
STS434 Ferritic Steel
ICI 4340 AISI USA
CNS 434 China CNS standard ferritic stainless steel
414340 The Czech republic Structural steel
414341 The Czech republic Structural steel
14340 The Czech republic Structural steel
14341 The Czech republic Structural steel
419434 The Czech republic tool steel
4340 Australia Structural steel
4340 H Australia Structural steel
4340 Australia Structural steel
CNS 434 China China Taiwan Stainless steel
4340 USA Carbon and Low Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures
4340 USA Carbon and Low Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures

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