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A 688 S31651

Description

USA SAE A 688/A 688M (2012), A 688 S31651 Specialsteel Welded Austenitic Stainless Steel Feedwater Heater Tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 688 S31651
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 688 S31651 Austenite SAE USA Welded Austenitic Stainless Steel Feedwater Heater Tubes

Chemical composition(mass fraction)(wt.%) of the A 688 S31651

C Si Mn P S Cr Ni Mo N
≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.03 16.0 -18.0 10.0 -14.0 2.00 -3.00 0.10 -0.16

Mechanical Properties of steel grade A 688 S31651

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)
138 (≥) 981 (≥) 14 13 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade A 688 S31651

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
21 - -     0.12 -  
571 216 - 11.3 333   -  
669 - 24 11.2   231 111

Heat Treatment of steel grade A 688 S31651

Heat treated : 1864°C - 1776°C

Technological Curves of steel grade A 688 S31651

Cross Reference Table (Equivalent Grade) of A 688 S31651

Relevant standard of A 688 S31651

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

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