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8 GB/T 10
#9

Description

Australia AS 9 Australia Structural steel and 9 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 9
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 9 AS Australia Australia Structural steel
U1
U3
3
U4
4
U5
5
U6
6
8

Chemical composition(mass fraction)(wt.%) of the 9

C(％) Si(％) Mn(％) P(％) S(％)
0.15-0.25 0.10-0.40 1.30-1.70 0.040 0.040

Mechanical Properties of steel grade 9

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)
959 (≥) 941 (≥) 14 34 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade 9

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
33 - -     0.11 -  
871 464 - 43.3 333   -  
526 - 14 12.2   223 241

Heat Treatment of steel grade 9

Heat treated : 1628°C - 1827°C

Technological Curves of steel grade 9

Cross Reference Table (Equivalent Grade) of 9

Grade Standard Country Application
Q195 GBT China Engineering and welding
UNS G10190 UNS USA General use carbon steel bar
ASTM 1019 ASTM USA General use carbon steel bar
T9 China Carbon tool steel
9SiCr China Alloy tool steel - Measuring tool steel cutting tools
9Cr2 China Alloy tool steel - Measuring tool steel cutting tools
W2Mo9Cr4V2 China High-speed tool steel
W2Mo9Cr4VCo8 China High-speed tool steel
W9Mo3Cr4V China High-speed tool steel
W9Mo3Cr4V coil China Saw high-speed tool steel hot-rolled steel strip
H19 ASTM USA Alloy tool steel
T20819 UNS USA Alloy tool steel
A9 ASTM USA Alloy tool steel
T30109 UNS USA Alloy tool steel
T41902 UNS USA Alloy tool steel
T41904 UNS USA Alloy tool steel
T41905 UNS USA Alloy tool steel
T41906 UNS USA Alloy tool steel
T41907 UNS USA Alloy tool steel
CPM H19 AISI USA Powder metallurgy tool steel Hot work tool steels
8 GB/T 10
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