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Description

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

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

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

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 GP

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)
678 (≥) 688 (≥) 12 11 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade B 299 GP

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 - -     0.12 -  
373 784 - 43.3 421   -  
733 - 21 43.2   134 332

Heat Treatment of steel grade B 299 GP

Heat treated : 1137°C - 1433°C

Technological Curves of steel grade B 299 GP

Cross Reference Table (Equivalent Grade) of B 299 GP

Grade Standard Country Application
29-9

Relevant standard of B 299 GP


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