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U6 8
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Description

Australia AS 6 Australia Structural steel and 6 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 6
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 6 AS Australia Australia Structural steel
X1340
X1345
U1
U3
3
U4
4
U5
5
U6

Chemical composition(mass fraction)(wt.%) of the 6

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

Mechanical Properties of steel grade 6

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)
455 (≥) 547 (≥) 44 22 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade 6

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 - -     0.42 -  
838 348 - 11.3 222   -  
434 - 13 12.2   244 223

Heat Treatment of steel grade 6

Heat treated : 1778°C - 1848°C

Technological Curves of steel grade 6

Cross Reference Table (Equivalent Grade) of 6

Grade Standard Country Application
ASTM 1006 ASTM USA General use carbon steel bar
UNS G10060 UNS USA General use carbon steel bar
UNS G10160 UNS USA General use carbon steel bar
ASTM 1016 ASTM USA General use carbon steel bar
Cr06 China Alloy tool steel - Measuring tool steel cutting tools
6CrW2Si China Alloy tool steel - Impact resistance tool steel
6CrMnSi2Mo1V China Alloy tool steel - Impact resistance tool steel
6W6Mo5Cr4V China Alloy tool steel - Impact resistance tool steel
W6Mo5Cr4V2 China High-speed tool steel
CW6Mo5Cr4V2 China High-speed tool steel
W6Mo5Cr4V3 China High-speed tool steel
CW6Mo5Cr4V3 China High-speed tool steel
W6Mo5Cr4V2Co5 China High-speed tool steel
W6Mo5Cr4V2Al China High-speed tool steel
YG6X China Hard alloy tungsten cobalt class
YG6A China Hard alloy tungsten cobalt class
YG6 China Hard alloy tungsten cobalt class
H26 ASTM USA Alloy tool steel
T20826 UNS USA Alloy tool steel
A6 ASTM USA Alloy tool steel
U6 8
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