Q195

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

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
Datasheet for:Steel Grades:Structure Steel:Q195

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 / Mechanische Eigenschaften / Caracteristiques mecaniques of 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)
131 (≥) 799 (≥) 12 24 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 241
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 - -     0.33 -  
695 974 - 22.3 324   -  
582 - 32 22.2   313 433
Heat treated : 1247°C - 1141°C
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
Q195 GBT China
Engineering and welding
Q195 GBT China
China structural steel and alloy steel
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Q195 can be supplied as steel plate/ sheet, round steel bar, steel tube/pipe, steel stripe, steel billet, steel ingot, steel wire rods. electroslag, forged ring/ block,etc.
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