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SA-240 S21800

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S21800 SA-276 S21800
#Nitronic #60 #S21800

Description

USA AMS SA-240/SA-240M, SA-240 S21800 Specialsteel Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SA-240 S21800
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-240 S21800 Austenite AMS USA Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

Chemical composition(mass fraction)(wt.%) of the SA-240 S21800

C Mn Si P S Cr Ni Mo N
≤0.10 7.00 -9.00 3.50 -4.50 ≤0.04 ≤0.03 16.00 -18.00 8.00 -9.00 ≤ ≥ 0.08 -0.18

Mechanical Properties of steel grade SA-240 S21800

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)
532 (≥) 999 (≥) 32 23 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade SA-240 S21800

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
43 - -     0.42 -  
821 962 - 44.3 323   -  
998 - 33 23.2   323 133

Heat Treatment of steel grade SA-240 S21800

Heat treated : 1667°C - 1921°C

Technological Curves of steel grade SA-240 S21800

Cross Reference Table (Equivalent Grade) of SA-240 S21800

Grade Standard Country Application
NITRONIC 20
NITRONIC 30
NITRONIC 32
NITRONIC 33
NITRONIC 40
NITRONIC 50
NITRONIC 60
1.4460
X60CrMnMoVNbN 21-10
1.4960
1.4460
1.4560
C60W
C60U
60WCrV7
60WCrV8
1.2601
1.2604
60MnSiCr4
1.2360

Relevant standard of SA-240 S21800

SA-240/SA-240M Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications SA-240-SA-240M.pdf
S21800 SA-276 S21800
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Jiangyou Longhai Special Steel Co.,Ltd.

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