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SA-268 S44800

Favorite Datasheet
SA-240 S44800 SA-276 S44800
#AL29-4-2 #S44800

Description

USA AMS SA-268/SA-268M, SA-268 S44800 Specialsteel Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SA-268 S44800
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-268 S44800 Ferrite AMS USA Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service

Chemical composition(mass fraction)(wt.%) of the SA-268 S44800

C Mn Si P S Cr Ni Mo N Cu
≤0.01 ≤0.30 ≤0.20 ≤0.025 ≤0.02 28.00 -30.00 2.00 -2.50 3.50 -4.20 ≤0.02 ≤0.15

Mechanical Properties of steel grade SA-268 S44800

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)
843 (≥) 734 (≥) 44 34 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade SA-268 S44800

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 -  
249 153 - 34.3 332   -  
726 - 31 12.2   111 422

Heat Treatment of steel grade SA-268 S44800

Heat treated : 1538°C - 1258°C

Technological Curves of steel grade SA-268 S44800

Cross Reference Table (Equivalent Grade) of SA-268 S44800

Grade Standard Country Application
S44800
S44800
S44800
S44800
29-4-2(S44800)

Relevant standard of SA-268 S44800

SA-268/SA-268M Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service SA-268-SA-268M.pdf
SA-240 S44800 SA-276 S44800
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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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