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U6

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#U6

Description

Australia AS U6 Australia Structural steel and U6 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: U6
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel U6 AS Australia Australia Structural steel
1340
X1340
X1345
U1
U3
3
U4
4
U5
5

Chemical composition(mass fraction)(wt.%) of the U6

C(％) Si(％) Mn(％) P(％) S(％)
0.40-0.50 Max 0* 40 0.50-1.00 0.04 0.040

Mechanical Properties of steel grade U6

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)
684 (≥) 876 (≥) 34 11 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade U6

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
42 - -     0.21 -  
245 721 - 22.3 114   -  
636 - 42 11.2   333 143

Heat Treatment of steel grade U6

Heat treated : 1351°C - 1391°C

Technological Curves of steel grade U6

Cross Reference Table (Equivalent Grade) of U6

Grade Standard Country Application
U6 AS Australia Australia Structural steel
EN U60NB EN Euronorm Euronorm Structural steel
ZU60CrMnMo GBT China Cast steel rolls
ZU65CrNiMo GBT China Cast steel rolls
5 6
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