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Description

China CNS SPHT3 China Taiwan Structural steel and SPHT3 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SPHT3
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SPHT3 CNS China China Taiwan Structural steel
SM490A
SM490B
SM490C
SM490YA
SM490YB
SM520YB
SM520YC
SM570
SPHT1
SPHT2

Chemical composition(mass fraction)(wt.%) of the SPHT3

C(%) Si(%) Mn(%) P(%) S(%)
0.25 0.35 0.30-0.90 0.05 0.05

Mechanical Properties of steel grade SPHT3

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)
876 (≥) 683 (≥) 44 13 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade SPHT3

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
42 - -     0.44 -  
125 338 - 13.3 321   -  
153 - 31 41.2   232 242

Heat Treatment of steel grade SPHT3

Heat treated : 1223°C - 1963°C

Technological Curves of steel grade SPHT3

Cross Reference Table (Equivalent Grade) of SPHT3

Grade Standard Country Application
SPHT3 CNS China China Taiwan Structural steel

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