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70W

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60W 38WT
#70W

Description

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

Datasheet for: Steel Grades:Structure Steel: 70W
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 70W CSA Canada Canada Engineering and steel structure
QSt370S
St400S
St500S
33G
50G
60G
38W
44W
50W
60W

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

C(％) Si(％) Mn(％) P(％) S(％)
0.26 Max 0.40 0.50-1.50 0.04 0.05

Mechanical Properties of steel grade 70W

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)
937 (≥) 479 (≥) 11 21 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade 70W

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 - -     0.21 -  
227 576 - 12.3 432   -  
177 - 33 23.2   431 322

Heat Treatment of steel grade 70W

Heat treated : 1628°C - 1497°C

Technological Curves of steel grade 70W

Cross Reference Table (Equivalent Grade) of 70W

Grade Standard Country Application
C70W1 Germany Carbon tool steel
C70W2 DIN Germany Carbon tool steel
70W CSA Canada Canada Engineering and steel structure
70WT CSA Canada Canada Engineering and steel structure
SMA570W CNS China China Taiwan Structural steel
60W 38WT
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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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