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S31803

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S31803 S32304
#S31803

Description

USA UNS S31803 Dual-phase steel and S31803 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: S31803
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel S31803 UNS USA Dual-phase steel
S31260
DP-3
DP-3
3RE60
3RE60
S31500
S31500
2205
2205
S31803

Chemical composition(mass fraction)(wt.%) of the S31803

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) N(%)
0.03 1 2 Max 0.03 Max 0.02 21.0-23.0 4.50-6.50 2.50-3.50 2.50-3.50

Mechanical Properties of steel grade S31803

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)
648 (≥) 751 (≥) 31 41 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade S31803

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
44 - -     0.21 -  
725 725 - 32.3 343   -  
999 - 32 24.2   313 434

Heat Treatment of steel grade S31803

Heat treated : 1349°C - 1168°C

Technological Curves of steel grade S31803

Cross Reference Table (Equivalent Grade) of S31803

Grade Standard Country Application
S31803 UNS USA Dual-phase steel
S31803 UNS USA Dual-phase steel
S31803 S32304
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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