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A 29 94B30

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A 29 94B17 A 299 Grade A
#29-9

Description

USA SAE A 29/A 29M (2012), A 29 94B30 Specialsteel Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 29 94B30
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 29 94B30 Precipitation-Hardening SAE USA Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for

Chemical composition(mass fraction)(wt.%) of the A 29 94B30

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 29 94B30

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)
242 (≥) 254 (≥) 32 13 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade A 29 94B30

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
22 - -     0.42 -  
289 179 - 21.3 333   -  
825 - 42 11.2   231 434

Heat Treatment of steel grade A 29 94B30

Heat treated : 1833°C - 1212°C

Technological Curves of steel grade A 29 94B30

Cross Reference Table (Equivalent Grade) of A 29 94B30

Grade Standard Country Application
29-9

Relevant standard of A 29 94B30

A 29/A 29M (2012) Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for A-29-A-29M-(2012).pdf
A 29 94B17 A 299 Grade A
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