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A 473 S32550

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A 276 S32550 A 479 S32550
#255 #S32550

Description

USA SAE A 473 (2009), A 473 S32550 Specialsteel Stainless Steel Forgings and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 473 S32550
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 473 S32550 Duplex steel SAE USA Stainless Steel Forgings

Chemical composition(mass fraction)(wt.%) of the A 473 S32550

C Mn Si P S Cr Ni Mo Cu N
≤0.04 ≤1.50 ≤1.00 ≤0.04 ≤0.03 24.00 -27.00 4.50 -6.50 2.90 -3.90 1.50 -2.50 0.10 -0.25

Mechanical Properties of steel grade A 473 S32550

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)
734 (≥) 121 (≥) 43 21 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade A 473 S32550

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
11 - -     0.44 -  
619 823 - 34.3 321   -  
694 - 42 42.2   423 222

Heat Treatment of steel grade A 473 S32550

Heat treated : 1126°C - 1747°C

Technological Curves of steel grade A 473 S32550

Cross Reference Table (Equivalent Grade) of A 473 S32550

Grade Standard Country Application
1.2550
1.2552
1.3255
StE 255
S255N
WStE 255
S255NH
TStE 255
S255NL
EStE 255
S255NL1
E255
255
S32550
Ferralium alloy 255
Ferralium alloy 255/SD40
Ferralium alloy 255/SD50
Ferralium alloy 255-3 SC
Ferralium alloy 255-3 SF
SM 2550

Relevant standard of A 473 S32550

A 473 (2009) Stainless Steel Forgings A-473-(2009).pdf
A 276 S32550 A 479 S32550
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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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