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300L

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300L0 350
#300L

Description

Australia AS 300L Australia Structural steel and 300L Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 300L
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 300L AS Australia Australia Structural steel
U6
6
8
9
GB/T 10
250
250L0
250L15
300
300L0

Chemical composition(mass fraction)(wt.%) of the 300L

C(％) Si(％) Mn(％) P(％) S(％)
0.2 0.4 1.5 0.040 0.040

Mechanical Properties of steel grade 300L

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)
858 (≥) 722 (≥) 24 43 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade 300L

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
22 - -     0.34 -  
916 366 - 41.3 412   -  
365 - 14 11.2   442 333

Heat Treatment of steel grade 300L

Heat treated : 1471°C - 1296°C

Technological Curves of steel grade 300L

Cross Reference Table (Equivalent Grade) of 300L

Grade Standard Country Application
300L0 AS Australia Australia Structural steel
300L AS Australia Australia Structural steel
300L15 AS Australia Australia Structural steel
300L0 350
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Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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