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Q370q

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Q370q Q420q
#Q370q

Description

China GBT Q370q China structural steel and alloy steel and Q370q Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: Q370q
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel Q370q GBT China China structural steel and alloy steel
Q255
Q255
Q275
Q235q
Q235q
Q345q
Q345q
Q345q
Q370q
Q370q

Chemical composition(mass fraction)(wt.%) of the Q370q

C(％) Si(％) Mn(％) P(％) S(％)
Max 0.17 Max 0.50 1.20-1.60 0.02 0.015

Mechanical Properties of steel grade Q370q

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)
483 (≥) 147 (≥) 31 32 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade Q370q

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
13 - -     0.32 -  
178 814 - 12.3 144   -  
824 - 41 11.2   421 133

Heat Treatment of steel grade Q370q

Heat treated : 1471°C - 1869°C

Technological Curves of steel grade Q370q

Cross Reference Table (Equivalent Grade) of Q370q

Grade Standard Country Application
Q370q GBT China China structural steel and alloy steel
Q370q GBT China China structural steel and alloy steel
Q370q GBT China China structural steel and alloy steel
Q370q Q420q
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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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