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A183 Grade 2 Bolts

America ASTM A183Grade2Bolts 钢轨用碳素钢螺栓和螺母 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals A183 Grade 2 Bolts ASTM A183 America 钢轨用碳素钢螺栓和螺母

Chemical composition(mass fraction)(wt.%) of the A183 Grade 2 Bolts

Element Min Max Similar
S - 0.0700 -
P - 0.0500 -
C 0.2700 - -

Mechanical Properties of steel grade A183 Grade 2 Bolts

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)
355 (≥) 865 (≥) 33 14 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical Properties of steel grade A183 Grade 2 Bolts

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
43 - -     0.41 -  
926 249 - 24.3 111   -  
497 - 41 33.2   232 323

Heat Treatment of steel grade A183 Grade 2 Bolts

Heat treated : 1885°C - 1694°C

Technological Curves of steel grade A183 Grade 2 Bolts

Cross Reference Table (Equivalent Grade) of A183 Grade 2 Bolts

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