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SA-268 TP S40900

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S40900 A 493 S40940
#409 #S40900

Description

USA AMS SA-268/SA-268M, SA-268 TP S40900 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 TP S40900
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-268 TP S40900 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 TP S40900

C Mn Si P S Cr Ni Mo
≤0.08 ≤1.00 ≤1.00 ≤0.045 ≤0.045 10.50 -11.7 ≤0.50 ≤ ≥

Mechanical Properties of steel grade SA-268 TP S40900

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)
126 (≥) 917 (≥) 33 33 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade SA-268 TP S40900

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 - -     0.12 -  
797 197 - 24.3 344   -  
664 - 23 14.2   114 214

Heat Treatment of steel grade SA-268 TP S40900

Heat treated : 1645°C - 1862°C

Technological Curves of steel grade SA-268 TP S40900

Cross Reference Table (Equivalent Grade) of SA-268 TP S40900

Grade Standard Country Application
1.4409
1.4409
S30409
409
S40900
S40910
S40920
S40930
409Cb
S40940
S40945
S40975
S40976
S40977
409Cb
409Cb
409Ni
S30409
S40910
S40920

Relevant standard of SA-268 TP S40900

SA-268/SA-268M Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service SA-268-SA-268M.pdf
S40900 A 493 S40940
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Jiangyou Longhai Special Steel Co.,Ltd.

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