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A 581 S18200

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SB-677 N08925 A 582 S18200
#18-2 #FM(XM-34) #S18200

Description

USA SAE A 581/A 581M (2009), A 581 S18200 Specialsteel Free-Machining Stainless Steel Wire and Wire Rods and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 581 S18200
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 581 S18200 Ferrite SAE USA Free-Machining Stainless Steel Wire and Wire Rods

Chemical composition(mass fraction)(wt.%) of the A 581 S18200

C Mn Si P S Cr Ni Mo
≤0.08 1.25 -2.50 ≤1.00 ≤0.04 ≤0.15 17.50 -19.50 ≤ ≥ 1.50 -2.50

Mechanical Properties of steel grade A 581 S18200

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)
122 (≥) 252 (≥) 13 41 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade A 581 S18200

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 - -     0.12 -  
771 866 - 32.3 443   -  
378 - 23 22.2   434 242

Heat Treatment of steel grade A 581 S18200

Heat treated : 1841°C - 1236°C

Technological Curves of steel grade A 581 S18200

Cross Reference Table (Equivalent Grade) of A 581 S18200

Grade Standard Country Application
X4NiCrMoCuNb20-18-2
X2CrNiTi18-2
X85CrMoV 18-2
X2CrMoTi 18-2
X2CrMoTiS 18-2
18-2Mn
18-18-2
X2CrMoTi18-2
X2CrMoTi18-2
X85CrMoV18-2
X2CrAlTi18-2
X2CrAlTi18-2
X85CrMoV18-2
S18200
S18200

Relevant standard of A 581 S18200

A 581/A 581M (2009) Free-Machining Stainless Steel Wire and Wire Rods A-581-A-581M-(2009).pdf
SB-677 N08925 A 582 S18200
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Jiangyou Longhai Special Steel Co.,Ltd.

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