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A 688 S30453

Description

USA SAE A 688/A 688M (2012) , A 688 S30453 Specialsteel Welded Austenitic Stainless Steel Feedwater Heater Tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 688 S30453
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 688 S30453 Austenite SAE USA Welded Austenitic Stainless Steel Feedwater Heater Tubes

Chemical composition(mass fraction)(wt.%) of the A 688 S30453

C Si Mn P S Cr Ni N
≤0.03 ≤1.00 ≤2.00 ≤0.045 ≤0.03 18.0 -20.0 8.00 -12.0 0.10 -0.16

Mechanical Properties of steel grade A 688 S30453

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)
996 (≥) 585 (≥) 44 44 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade A 688 S30453

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
32 - -     0.41 -  
346 468 - 44.3 442   -  
819 - 13 32.2   133 222

Heat Treatment of steel grade A 688 S30453

Heat treated : 1258°C - 1128°C

Technological Curves of steel grade A 688 S30453

Cross Reference Table (Equivalent Grade) of A 688 S30453

Relevant standard of A 688 S30453

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

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