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A 299 Grade A

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A 29 94B30 A 299 Grade B
#29-9

Description

USA SAE A 299/A 299M (2009), A 299 Grade A Specialsteel Pressure Vessel Plates, Carbon Steel, Manganese-Silicon and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

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

Chemical composition(mass fraction)(wt.%) of the A 299 Grade A

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 A 299 Grade A

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)
662 (≥) 279 (≥) 34 24 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical Properties of steel grade A 299 Grade A

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
44 - -     0.32 -  
877 771 - 44.3 434   -  
466 - 31 31.2   421 243

Heat Treatment of steel grade A 299 Grade A

Heat treated : 1331°C - 1219°C

Technological Curves of steel grade A 299 Grade A

Cross Reference Table (Equivalent Grade) of A 299 Grade A

Grade Standard Country Application
29-9

Relevant standard of A 299 Grade A

A 299/A 299M (2009) Pressure Vessel Plates, Carbon Steel, Manganese-Silicon A-299-A-299M-(2009).pdf
A 29 94B30 A 299 Grade B
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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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