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B 299 MD

Favorite Datasheet
B 299 GP B 299 ML
#29-9

Description

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

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

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

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 MD

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)
533 (≥) 852 (≥) 34 31 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade B 299 MD

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
21 - -     0.43 -  
441 419 - 33.3 412   -  
431 - 24 43.2   221 431

Heat Treatment of steel grade B 299 MD

Heat treated : 1353°C - 1478°C

Technological Curves of steel grade B 299 MD

Cross Reference Table (Equivalent Grade) of B 299 MD

Grade Standard Country Application
29-9

Relevant standard of B 299 MD

B 299 (2013) Titanium Sponge B-299-(2013).pdf
B 299 GP B 299 ML
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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