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SA-688 TP 304N

Favorite Datasheet
SA-666 304N SA-813 TP304N
#304N

Description

USA AMS SA-688/SA-688M , SA-688 TP 304N Specialsteel Specification for Welded Austenitic Stainless Steel Feedwater Heater Tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SA-688 TP 304N
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-688 TP 304N Austenite AMS USA Specification for Welded Austenitic Stainless Steel Feedwater Heater Tubes

Chemical composition(mass fraction)(wt.%) of the SA-688 TP 304N

C Si Mn P S Cr Ni N
≤0.08 ≤0.75 ≤2.00 ≤0.045 ≤0.03 18.0 -20.0 8.00 -10.5 0.10 -0.16

Mechanical Properties of steel grade SA-688 TP 304N

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)
676 (≥) 974 (≥) 43 22 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade SA-688 TP 304N

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
23 - -     0.13 -  
452 515 - 21.3 311   -  
132 - 21 34.2   121 143

Heat Treatment of steel grade SA-688 TP 304N

Heat treated : 1825°C - 1521°C

Technological Curves of steel grade SA-688 TP 304N

Cross Reference Table (Equivalent Grade) of SA-688 TP 304N

Grade Standard Country Application
304N
304N
TP304N
TP304N
TP304N
TP304N
SUS304N1
SUS304N2
SUS304N2A
SUS304N2A
SUS304N2A
SUS304N2
SUS304N1
304N(S30451)
SUS304N2A
SUS304N2A

Relevant standard of SA-688 TP 304N

SA-688/SA-688M Specification for Welded Austenitic Stainless Steel Feedwater Heater Tubes SA-688-SA-688M-.pdf
SA-666 304N SA-813 TP304N
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Jiangyou Longhai Special Steel Co.,Ltd.
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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