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Description

USA SAE B 299 (2013), B 299 EL Specialsteel Titanium Sponge and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: B 299 EL
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel B 299 EL Precipitation-Hardening SAE USA Titanium Sponge

Chemical composition(mass fraction)(wt.%) of the B 299 EL

C Si Mn P S Ni Cr Al Cu Ti Fe N Mo
0.08 -0.15 ≤0.75 1.00 -2.00 ≤ ≥ ≤0.03 8.50 -10.50 27.00 -31.00 ≤ ≥ ≤0.50 ≤ ≥ ≤ ≥ ≤ ≥ ≤0.50

Mechanical Properties of steel grade B 299 EL

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)
127 (≥) 677 (≥) 33 42 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade B 299 EL

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
41 - -     0.41 -  
757 111 - 12.3 412   -  
649 - 33 42.2   113 112

Heat Treatment of steel grade B 299 EL

Heat treated : 1566°C - 1585°C

Technological Curves of steel grade B 299 EL

Cross Reference Table (Equivalent Grade) of B 299 EL

Grade Standard Country Application
29-9

Relevant standard of B 299 EL


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