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70WT

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60WT 50R
#70WT

Description

Canada CSA 70WT Canada Engineering and steel structure and 70WT Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 70WT
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 70WT CSA Canada Canada Engineering and steel structure
60G
38W
44W
50W
60W
70W
38WT
44WT
50WT
60WT

Chemical composition(mass fraction)(wt.%) of the 70WT

C(％) Si(％) Mn(％) P(％) S(％)
0.26 0.15-0.40 0.80-1.50 0.03 0.04

Mechanical Properties of steel grade 70WT

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)
311 (≥) 841 (≥) 44 42 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade 70WT

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 - -     0.14 -  
745 567 - 14.3 242   -  
527 - 41 22.2   321 441

Heat Treatment of steel grade 70WT

Heat treated : 1533°C - 1763°C

Technological Curves of steel grade 70WT

Cross Reference Table (Equivalent Grade) of 70WT

Grade Standard Country Application
70WT CSA Canada Canada Engineering and steel structure
60WT 50R
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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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