Q195 Structural Steel to GB/T 700-2006

Q195 - Specification & Application

  • GB/T 700-2006 - Carbon structural steels
  • ISO 630:1995 - 标准内容

Carbon structural steels

Chemical composition(wt.%) of Q195 grade: to GB/T 700-2006

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.12
Si - 0.3
Mn - 0.5
P - 0.035
S - 0.04
Cr - 0.3
Ni - 0.3
Cu - 0.3
N - 0.0080

Q195 - Detail

This standard applies to steel product standards, technical specifications of the finished product chemical composition of the provisions of the allowable deviation.

Mechanical properties of grade Q195 GB/T 700-2006

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
949 (≥) 858 (≥) 23 43 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical properties of grade Q195 GB/T 700-2006

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
312 (≥) 655 (≥) 41 12 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 314
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
842 277 481

Equivalent Products

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