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G 7125 Grade 1

Japan JIS G7125Grade1 机械加工用空心钢筋 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: G7125Grade1 / G 7125 Grade 1
Category Grade Standard Region/Area Standard Content
Metals G 7125 Grade 1 JIS G7125 Japan 机械加工用空心钢筋

Chemical composition(mass fraction)(wt.%) of the G 7125 Grade 1

Element Min Max Similar
C - 0.2000 -
Mn - 1.6000 -
P - 0.0450 -
S - 0.0450 -
Si - 0.5000 -

Mechanical Properties of steel grade G 7125 Grade 1

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)
765 (≥) 966 (≥) 24 14 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

Physical Properties of steel grade G 7125 Grade 1

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
33 - -     0.13 -  
781 545 - 43.3 423   -  
225 - 42 43.2   324 224

Heat Treatment of steel grade G 7125 Grade 1

Heat treated : 1197°C - 1424°C

Technological Curves of steel grade G 7125 Grade 1

Cross Reference Table (Equivalent Grade) of G 7125 Grade 1

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