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300L15

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300 350
#300L15

Description

Australia AS 300L15 Australia Structural steel and 300L15 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 300L15
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 300L15 AS Australia Australia Structural steel
7-460RNTA
7-490RNTA
HA1
HA3
HA4N
HA200
200
250
250L15
300

Chemical composition(mass fraction)(wt.%) of the 300L15

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
Max 0.22 Max 0.55 Max 1.70 0.040 0.03 0.3 0.5 0.1

Mechanical Properties of steel grade 300L15

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)
834 (≥) 457 (≥) 23 21 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade 300L15

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
11 - -     0.41 -  
366 333 - 22.3 223   -  
994 - 21 23.2   212 233

Heat Treatment of steel grade 300L15

Heat treated : 1784°C - 1261°C

Technological Curves of steel grade 300L15

Cross Reference Table (Equivalent Grade) of 300L15

Grade Standard Country Application
300L15 AS Australia Australia Structural steel
300 350
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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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