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S31803

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A 988 S31803 SA-240 S31803
#2205 #S31803

Description

USA AISI S31803 Specialsteel Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Nitrogen Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: S31803
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel S31803 Duplex steel AISI USA Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Nitrogen Stainless Steel

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

C Mn Si P S Cr Ni Mo N
≤0.03 ≤2.00 ≤1.00 ≤0.03 ≤0.02 21.00 -23.00 4.50 -6.50 2.50 -3.50 0.08 -0.20

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)
619 (≥) 673 (≥) 11 23 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

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
21 - -     0.33 -  
715 596 - 42.3 124   -  
536 - 21 24.2   444 141

Heat Treatment of steel grade S31803

Heat treated : 1969°C - 1672°C

Technological Curves of steel grade S31803

Cross Reference Table (Equivalent Grade) of S31803

Grade Standard Country Application
2205
S32205
2205(C)
S32205
2205
2205(S31803)
2205
S31803
S31803
S31803
A 988 S31803 SA-240 S31803
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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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