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A 803 Grade 29-4C

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A 803 Grade 29-4-2 A 829 4118
#29-4

Description

USA SAE A 803/A 803M (2012), A 803 Grade 29-4C Specialsteel Welded Ferritic Stainless Steel Feedwater Heater Tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 803 Grade 29-4C
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 803 Grade 29-4C Precipitation-Hardening SAE USA Welded Ferritic Stainless Steel Feedwater Heater Tubes

Chemical composition(mass fraction)(wt.%) of the A 803 Grade 29-4C

C Si Mn P S Ni Cr Al Cu Ti Fe N Mo
≤0.01 ≤0.20 ≤0.30 ≤ ≥ ≤ ≥ ≤0.15 28.00 -30.00 ≤ ≥ ≤0.15 ≤ ≥ ≤ ≥ ≤0.02 3.50 -4.20

Mechanical Properties of steel grade A 803 Grade 29-4C

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)
795 (≥) 577 (≥) 44 32 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade A 803 Grade 29-4C

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 - -     0.14 -  
453 872 - 23.3 421   -  
879 - 44 33.2   414 312

Heat Treatment of steel grade A 803 Grade 29-4C

Heat treated : 1687°C - 1726°C

Technological Curves of steel grade A 803 Grade 29-4C

Cross Reference Table (Equivalent Grade) of A 803 Grade 29-4C

Grade Standard Country Application
29-4
29-4C
29-4-2
29-4
29-4-2
29-4C
29-4
29-4-2
29-4
29-4-2
29-4C(S44735)
29-4-2(S44800)
X2CrMoTi29-4
X2CrMoTi29-4

Relevant standard of A 803 Grade 29-4C

A 803/A 803M (2012) Welded Ferritic Stainless Steel Feedwater Heater Tubes A-803-A-803M-(2012).pdf
A 803 Grade 29-4-2 A 829 4118
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