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Description

TP44400 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: TP44400
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy TP44400
TP347LN
S34751
TP348
S34800
TP348H
S34809
S35045
TPXM-15
S38100
S38815

Chemical composition(mass fraction)(wt.%) of the TP44400

C
Si
Mn
P
S
Cr Ni
0.03 1 1 0.04 0.03 17.5-19.5 17-19
Mo Al Cu Nb Ti V Ce
1.75-2.5            
N Co Pb B Other    
≤0.035       Ti+Nb[0.2+4(C+N)]~0.8
Ni+Cu≤1.0
   
             

Mechanical Properties of steel grade TP44400

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)
366 (≥) 776 (≥) 24 44 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade TP44400

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
43 - -     0.12 -  
726 956 - 22.3 331   -  
229 - 43 44.2   413 232

Heat Treatment of steel grade TP44400

Heat treated : 1139°C - 1387°C

Technological Curves of steel grade TP44400


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