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U5 U6
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Description

Australia AS 5 Australia Structural steel and 5 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 5
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 5 AS Australia Australia Structural steel
X1325
1340
X1340
X1345
U1
U3
3
U4
4
U5

Chemical composition(mass fraction)(wt.%) of the 5

C(％) Si(％) Mn(％) P(％) S(％)
0.35-0.45 0.10-0.40 0.50-1.00 0.04 0.040

Mechanical Properties of steel grade 5

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)
431 (≥) 971 (≥) 34 42 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade 5

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
12 - -     0.14 -  
993 371 - 33.3 111   -  
366 - 24 41.2   442 131

Heat Treatment of steel grade 5

Heat treated : 1124°C - 1796°C

Technological Curves of steel grade 5

Cross Reference Table (Equivalent Grade) of 5

Grade Standard Country Application
Q195 GBT China Engineering and welding
Q215 China Engineering and welding
Q215 B China Engineering and welding
Q235 China Engineering and welding
Q235 B China Engineering and welding
Q235 C China Engineering and welding
Q235 D China Engineering and welding
Q255 A China Engineering and welding
Q255 B China Engineering and welding
Q275 China Engineering and welding
Q235q C China Bridge structure with steel
Q235q D China Bridge structure with steel
Q345q E China Bridge structure with steel
Q345q C China Bridge structure with steel
ASTM 1005 ASTM USA General use carbon steel bar
UNS G10050 UNS USA General use carbon steel bar
ASTM 1015 ASTM USA General use carbon steel bar
UNS G10150 UNS USA General use carbon steel bar
5CrW2Si China Alloy tool steel - Impact resistance tool steel
5Cr3Mn1SiMo1V China Alloy tool steel - Impact resistance tool steel
U5 U6
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