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Description

USA UNS S32550 Dual-phase steel and S32550 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: S32550
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel S32550 UNS USA Dual-phase steel
S31803
S32304
S32304
2304
2304
S32404
S32404
Uranus50
Uranus50
S32550

Chemical composition(mass fraction)(wt.%) of the S32550

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) N(%) Cu(%)
0.04 1 1.5 Max 0.04 Max 0.03 24.0-27.0 4.50-6.50 2.00-4.00 1.50-2.50 1.50-2.50

Mechanical Properties of steel grade S32550

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)
345 (≥) 752 (≥) 11 21 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade S32550

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 - -     0.31 -  
491 414 - 24.3 311   -  
442 - 21 12.2   124 131

Heat Treatment of steel grade S32550

Heat treated : 1339°C - 1773°C

Technological Curves of steel grade S32550

Cross Reference Table (Equivalent Grade) of S32550

Grade Standard Country Application
S32550 UNS USA Dual-phase steel
S32550 UNS USA Dual-phase steel

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