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55WT

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50WT 50A
#55WT

Description

Canada CSA 55WT Canada Engineering and steel structure and 55WT Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 55WT
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 55WT CSA Canada Canada Engineering and steel structure
70A
50AT
60AT
70AT
100Q
100QT
44W
50W
55W
50WT

Chemical composition(mass fraction)(wt.%) of the 55WT

C(％) Si(％) Mn(％) P(％) S(％)
0.22 0.15-0.40 0.80-1.50 0.03 0.04

Mechanical Properties of steel grade 55WT

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)
356 (≥) 784 (≥) 21 43 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade 55WT

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
41 - -     0.32 -  
763 589 - 34.3 312   -  
799 - 13 21.2   311 122

Heat Treatment of steel grade 55WT

Heat treated : 1368°C - 1387°C

Technological Curves of steel grade 55WT

Cross Reference Table (Equivalent Grade) of 55WT

Grade Standard Country Application
55WT CSA Canada Canada Engineering and steel structure
50WT 50A
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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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