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A504 Class U

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America ASTM A504ClassU Standard Specification for Wrought Carbon Steel Wheels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A504ClassU / A504 Class U
Category Grade Standard Region/Area Standard Content
Metals A504 Class U ASTM A504/A504M America Standard Specification for Wrought Carbon Steel Wheels

Chemical composition(mass fraction)(wt.%) of the A504 Class U

Element Min Max Similar
C 0.6500 0.7700 -
Mn 0.6000 0.8500 -
P - 0.0500 -
S - 0.0500 -
Si 0.1500 - -

Mechanical Properties of steel grade A504 Class U

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)
658 (≥) 927 (≥) 33 22 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade A504 Class U

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
34 - -     0.11 -  
144 178 - 12.3 211   -  
745 - 31 41.2   222 323

Heat Treatment of steel grade A504 Class U

Heat treated : 1537°C - 1426°C

Technological Curves of steel grade A504 Class U

Cross Reference Table (Equivalent Grade) of A504 Class U

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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