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A 688 S30451

Description

USA AMS A 688/A 688M (2012), A 688 S30451 Specialsteel Welded Austenitic Stainless Steel Feedwater Heater Tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 688 S30451
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 688 S30451 Austenite AMS USA Welded Austenitic Stainless Steel Feedwater Heater Tubes

Chemical composition(mass fraction)(wt.%) of the A 688 S30451

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 A 688 S30451

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)
943 (≥) 972 (≥) 14 32 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade A 688 S30451

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 - -     0.33 -  
533 352 - 24.3 344   -  
789 - 14 42.2   142 332

Heat Treatment of steel grade A 688 S30451

Heat treated : 1949°C - 1923°C

Technological Curves of steel grade A 688 S30451

Cross Reference Table (Equivalent Grade) of A 688 S30451

Relevant standard of A 688 S30451

A 688/A 688M (2012) Welded Austenitic Stainless Steel Feedwater Heater Tubes A-688-A-688M--(2012).pdf

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