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A 959 Type 29-4C

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A 803 Grade 29-4C SA-240 Type 29-4C
#29-4C

Description

USA SAE A 959 (2011), A 959 Type 29-4C Specialsteel Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 959 Type 29-4C
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 959 Type 29-4C Precipitation-Hardening SAE USA Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

Chemical composition(mass fraction)(wt.%) of the A 959 Type 29-4C

C Si Mn P S Ni Cr Al Cu Ti Fe N Mo
≤0.03 ≤1.00 ≤1.00 ≤0.04 ≤ ≥ ≤1.00 28.00 -30.00 ≤ ≥ ≤0.15 ≤ ≥ ≤ ≥ ≤0.045 3.60 -4.20

Mechanical Properties of steel grade A 959 Type 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)
537 (≥) 259 (≥) 42 44 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade A 959 Type 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
33 - -     0.32 -  
178 767 - 24.3 132   -  
187 - 42 22.2   134 231

Heat Treatment of steel grade A 959 Type 29-4C

Heat treated : 1585°C - 1883°C

Technological Curves of steel grade A 959 Type 29-4C

Cross Reference Table (Equivalent Grade) of A 959 Type 29-4C

Grade Standard Country Application
29-4C
29-4C
29-4C(S44735)

Relevant standard of A 959 Type 29-4C

A 959 (2011) Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels A-959-(2011).pdf
A 803 Grade 29-4C SA-240 Type 29-4C
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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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