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SA-268 S44735

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SA-240 S44735 A 176 S44800
#AL #29-4C #S44735

Description

USA AMS SA-268/SA-268M, SA-268 S44735 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 S44735
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-268 S44735 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 S44735

C Mn Si P S Cr Ni Mo N
≤0.03 ≤1.00 ≤1.00 ≤0.04 ≤0.03 28.00 -30.00 ≤1.00 3.60 -4.20 ≤0.045

Mechanical Properties of steel grade SA-268 S44735

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)
912 (≥) 594 (≥) 22 21 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade SA-268 S44735

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
13 - -     0.32 -  
774 749 - 13.3 433   -  
976 - 22 13.2   111 413

Heat Treatment of steel grade SA-268 S44735

Heat treated : 1774°C - 1798°C

Technological Curves of steel grade SA-268 S44735

Cross Reference Table (Equivalent Grade) of SA-268 S44735

Grade Standard Country Application
X6CrAl13
X1CrNiMoAl15-7-2
X2CrNiAlTi32-20
X7CrNiAl 17-7
X10CrAlSi 7
X10CrAlSi 13
X10CrAl13
X10CrAlSi 18
X10CrAl18
X10CrAlSi 25
X10CrAl24
X10NiCrAlTi 32-21
X10NiCrAlTi 32-20
NiCo20Cr15MoAlTi
NiCr20TiAl
X5NiCrAlTi 31-20
X8NiCrAlTi 32-21
X7CrNiAl 17-7
X5CrNiAlTi 31-20
X6CrNiAlTi 32-21

Relevant standard of SA-268 S44735

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 S44735 A 176 S44800
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