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A 688 S32654

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A 479 S32654 A 959 S32654
#S32654

Description

USA SAE A 688/A 688M (2012), A 688 S32654 Specialsteel Welded Austenitic Stainless Steel Feedwater Heater Tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 688 S32654
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 688 S32654 Austenite SAE USA Welded Austenitic Stainless Steel Feedwater Heater Tubes

Chemical composition(mass fraction)(wt.%) of the A 688 S32654

C Mn Si P S Cr Ni Cu N
≤0.02 2.00 -4.00 ≤0.50 ≤0.03 ≤0.005 24.00 -25.00 7.00 -8.00 0.30 -0.60 0.45 -0.55

Mechanical Properties of steel grade A 688 S32654

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)
551 (≥) 541 (≥) 41 33 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade A 688 S32654

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
43 - -     0.23 -  
482 273 - 43.3 412   -  
458 - 33 42.2   142 331

Heat Treatment of steel grade A 688 S32654

Heat treated : 1694°C - 1618°C

Technological Curves of steel grade A 688 S32654

Cross Reference Table (Equivalent Grade) of A 688 S32654

Grade Standard Country Application
S32654
S32654
S32654
S32654
S32654

Relevant standard of A 688 S32654

A 688/A 688M (2012) Welded Austenitic Stainless Steel Feedwater Heater Tubes A-688-A-688M-(2012).pdf
A 479 S32654 A 959 S32654
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