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SA-268 S40500

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SA-240 S40500 A 268 S40800
#405 #S40500

Description

USA AMS SA-268/SA-268M, SA-268 S40500 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 S40500
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-268 S40500 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 S40500

C Mn Si P S Cr Ni Mo Al
≤0.08 ≤1.00 ≤1.00 ≤0.04 ≤0.03 11.00 -14.50 ≤ ≥ ≤ ≥ 0.10 -0.30

Mechanical Properties of steel grade SA-268 S40500

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)
686 (≥) 821 (≥) 33 31 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade SA-268 S40500

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
31 - -     0.12 -  
821 713 - 32.3 424   -  
653 - 32 41.2   312 322

Heat Treatment of steel grade SA-268 S40500

Heat treated : 1653°C - 1679°C

Technological Curves of steel grade SA-268 S40500

Cross Reference Table (Equivalent Grade) of SA-268 S40500

Grade Standard Country Application
1.4057
1.4057
1.4405
1.4059
1.4405
1.4405
405
S40500
MONEL alloy R-405
S40500
405
TP405
S40500
MT405
405
S40500
AISI 4053
UNS T30405
UNS T90405
UNS J95405

Relevant standard of SA-268 S40500

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 S40500 A 268 S40800
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Jiangyou Longhai Special Steel Co.,Ltd.

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