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L450QB

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L415QB L485QB
#L450QB

Description

Spain UNE L450QB Spain structural steel and L450QB Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: L450QB
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel L450QB UNE Spain Spain structural steel
S420M
S420ML
S460M
S460ML
L245NB
L290NB
L360NB
L415NB
L360QB
L415QB

Chemical composition(mass fraction)(wt.%) of the L450QB

C(％) Si(％) Mn(％) P(％) S(％)
0.16 0.45 1.6 0.025 0.02

Mechanical Properties of steel grade L450QB

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)
539 (≥) 144 (≥) 13 34 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade L450QB

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
23 - -     0.12 -  
114 434 - 31.3 312   -  
627 - 31 32.2   343 242

Heat Treatment of steel grade L450QB

Heat treated : 1471°C - 1493°C

Technological Curves of steel grade L450QB

Cross Reference Table (Equivalent Grade) of L450QB

Grade Standard Country Application
L450QB UNE Spain Spain structural steel
EN L450QB EN Euronorm Euronorm Structural steel
L415QB L485QB
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Jiangyou Longhai Special Steel Co.,Ltd.
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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