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A871 TypeⅠ

Description

A871 TypeⅠ Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: A871 TypeⅠ

Chemical composition(mass fraction)(wt.%) of the A871 TypeⅠ

C
Si
Mn
P
S
Cr Ni
 0.19 0.3-0.65   0.8-1.35 0.04  0.05  0.4-0.7  ≤0.4 
Mo Al Cu Nb Ti V Ce
     0.25-0.4     0.02-0.1   
N Co Pb B Other    
             
             

Mechanical Properties of steel grade A871 TypeⅠ

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)
177 (≥) 659 (≥) 11 32 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade A871 TypeⅠ

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
22 - -     0.21 -  
168 363 - 21.3 231   -  
483 - 42 31.2   111 411

Heat Treatment of steel grade A871 TypeⅠ

Heat treated : 1233°C - 1721°C

Technological Curves of steel grade A871 TypeⅠ


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