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SA-268 S44700

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SA-240 S44700 SA-276 S44700
#29–4 #S44700

Description

USA AMS SA-268/SA-268M, SA-268 S44700 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 S44700
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-268 S44700 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 S44700

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

Mechanical Properties of steel grade SA-268 S44700

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)
292 (≥) 547 (≥) 34 32 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade SA-268 S44700

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
33 - -     0.21 -  
183 685 - 31.3 434   -  
244 - 44 24.2   211 332

Heat Treatment of steel grade SA-268 S44700

Heat treated : 1287°C - 1418°C

Technological Curves of steel grade SA-268 S44700

Cross Reference Table (Equivalent Grade) of SA-268 S44700

Grade Standard Country Application
S44700
S44700
S44700
S44700

Relevant standard of SA-268 S44700

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 S44700 SA-276 S44700
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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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