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4255

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Sweden SS 4255 Aluminium cast alloy - SS-aluminium 42 55 - Al-Si10 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 4255 / 4255
Category Grade Standard Region/Area Standard Content
Metals 4255 SS 14 42 55 Sweden Aluminium cast alloy - SS-aluminium 42 55 - Al-Si10

Chemical composition(mass fraction)(wt.%) of the 4255

Element Min Max Similar
Zn - 0.3000 -
Ti - 0.2000 -
Sn - 0.0500 -
Si 9.0000 11.0000 -
Pb - 0.1000 -
Ni - 0.1000 -
Mn - 0.5000 -
Mg - 0.1000 -
Fe - 0.6500 -
Cu - 0.2000 -
Al - - 88.8000

Mechanical Properties of steel grade 4255

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)
728 (≥) 832 (≥) 41 34 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade 4255

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
31 - -     0.21 -  
853 726 - 14.3 411   -  
172 - 31 24.2   432 143

Heat Treatment of steel grade 4255

Heat treated : 1427°C - 1885°C

Technological Curves of steel grade 4255

Cross Reference Table (Equivalent Grade) of 4255

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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Jiangyou Longhai Special Steel Co.,Ltd.

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