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SA-299 Grade B

Favorite Datasheet
SA-299 Grade A 21-4N
#29-9

Description

USA AMS SA-299/SA-299M, SA-299 Grade B Specialsteel Pressure Vessel Plates, Carbon Steel, Manganese-Silicon and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SA-299 Grade B
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-299 Grade B Precipitation-Hardening AMS USA Pressure Vessel Plates, Carbon Steel, Manganese-Silicon

Chemical composition(mass fraction)(wt.%) of the SA-299 Grade B

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 SA-299 Grade B

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)
318 (≥) 632 (≥) 24 22 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade SA-299 Grade B

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 - -     0.21 -  
422 261 - 33.3 432   -  
955 - 41 14.2   313 323

Heat Treatment of steel grade SA-299 Grade B

Heat treated : 1575°C - 1191°C

Technological Curves of steel grade SA-299 Grade B

Cross Reference Table (Equivalent Grade) of SA-299 Grade B

Grade Standard Country Application
29-9

Relevant standard of SA-299 Grade B

SA-299/SA-299M Pressure Vessel Plates, Carbon Steel, Manganese-Silicon SA-299-SA-299M.pdf
SA-299 Grade A 21-4N
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