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L555QB

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L485QB L245MB
#L555QB

Description

Spain UNE L555QB Spain structural steel and L555QB Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: L555QB
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel L555QB UNE Spain Spain structural steel
S460M
S460ML
L245NB
L290NB
L360NB
L415NB
L360QB
L415QB
L450QB
L485QB

Chemical composition(mass fraction)(wt.%) of the L555QB

C(％) Si(％) Mn(％) P(％) S(％)
0.16 0.45 1.8 0.025 0.02

Mechanical Properties of steel grade L555QB

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)
779 (≥) 964 (≥) 42 31 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade L555QB

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 - -     0.31 -  
861 534 - 13.3 343   -  
197 - 11 34.2   242 343

Heat Treatment of steel grade L555QB

Heat treated : 1123°C - 1257°C

Technological Curves of steel grade L555QB

Cross Reference Table (Equivalent Grade) of L555QB

Grade Standard Country Application
L555QB UNE Spain Spain structural steel
EN L555QB EN Euronorm Euronorm Structural steel
L485QB L245MB
Available Suppliers
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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