Available 24/7 at contact@steel-grades.com

SA-688 TP 304L

Description

USA AMS SA-688/SA-688M , SA-688 TP 304L 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 304L
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-688 TP 304L Austenite AMS USA Specification for Welded Austenitic Stainless Steel Feedwater Heater Tubes

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

C Si Mn P S Cr Ni
≤0.030 ≤1.00 ≤2.00 ≤0.045 ≤0.03 18.00 -20.00 8.00 -13.00

Mechanical Properties of steel grade SA-688 TP 304L

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)
524 (≥) 747 (≥) 33 41 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade SA-688 TP 304L

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
44 - -     0.41 -  
622 924 - 34.3 123   -  
277 - 24 22.2   114 442

Heat Treatment of steel grade SA-688 TP 304L

Heat treated : 1946°C - 1921°C

Technological Curves of steel grade SA-688 TP 304L

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

Relevant standard of SA-688 TP 304L

SA-688/SA-688M Specification for Welded Austenitic Stainless Steel Feedwater Heater Tubes SA-688-SA-688M-.pdf

Available Suppliers

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...

Rfq.: sales@longhaisteel.com
  • Do you supply this SA-688 TP 304L?
  • List your company on S&G now? Join
  • Non-paying users only
Top