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Q195

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50AT Q215
#Q195

Description

China GBT Q195 China structural steel and alloy steel and Q195 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: Q195
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel Q195 GBT China China structural steel and alloy steel
70AT
100Q
100QT
44W
50W
55W
50WT
55WT
50A
50AT

Chemical composition(mass fraction)(wt.%) of the Q195

C(％) Si(％) Mn(％) P(％) S(％)
0.06-0.12 Max 0.30 0.25-0.50 0.045 0.05

Mechanical Properties of steel grade Q195

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)
446 (≥) 455 (≥) 34 43 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade Q195

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
24 - -     0.34 -  
439 695 - 11.3 241   -  
368 - 44 11.2   222 113

Heat Treatment of steel grade Q195

Heat treated : 1544°C - 1542°C

Technological Curves of steel grade Q195

Cross Reference Table (Equivalent Grade) of Q195

Grade Standard Country Application
Q195 GBT China Engineering and welding
Q195 GBT China China structural steel and alloy steel
50AT Q215
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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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