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Solution Treatment & Properties of Inconel 600 Forgings

Generally, Inconel 600 forgings shall be manufactured in conformance with ASTM B564 UNS N06600. In order to investigate the chemical composition and mechanical properties under different conditions, test specimens sized of Φ20 mm x 200 mm(L) are prepared from the original 300 mm x 200 mm Inconel 600 forgings. The solution treatment is conducted on each test piece at different temperatures from 850°C to 1050°C, cooled by air or cold water respectively.

Inconel 600 Forged Weld Neck Flange

Typical Inconel 600 forgings: W/N RF flange, 300# SCH 80, 12″ ASME B16.5

Actual Chemical Composition

NiCrFeMnCCuSiSPCo
75.216.17.560.0010.0550.0170.180.0020.00160.011
*All values are in % unit; The Inconel 600 materials are procured from the Special Metal Division of AnSteel.

Grain Size and Hardness

Solution Treatment
Temperature, °F
Grain SizeHardness
HB
8505185
9004~5180
9505+229
10004201
10504170
*The grain size and hardness of Inconel 600 forgings under different solution-treatment temperature conditions.
*Grain size test shall be conducted in accordance with ASTM E-112.

Tensile Properties Tested At Room Temperature (Air Cooling)

*S.T.TYield Strength
MPa
Tensile Strength
MPa
Elongation
%
Reduction of Area
%
85032663547.566.5
90032065545.069.0
95036669045.069.0
100032065045.569.0
105027062046.077.0
*S.T.T: solution treatment temperature; The tensile properties of Inconel 600 forgings tested at room temperature under air cooling condition.

Tensile Properties Tested At 350°C (Air Cooling)

*S.T.TYield Strength
MPa
Tensile Strength
MPa
Elongation
%
Reduction of Area
%
85020157545.563.0
90018958049.061.0
95022261551.065.0
100018958052.564.5
105017358060.070.5
*S.T.T: solution treatment temperature; The tensile properties of Inconel 600 forgings tested at 350°C under air cooling condition.

Tensile Properties Tested At Room Temperature (Water Cooling)

*S.T.TYield Strength
MPa
Tensile Strength
MPa
Elongation
%
Reduction of Area
%
85033065046.063.5
90031065047.067.0
95035667044.573.5
100033066245.568.5
105029062044.077.5
*S.T.T: solution treatment temperature; The tensile properties of Inconel 600 forgings tested at room temperature under water cooling condition.

Tensile Properties Tested At 350°C (Water Cooling)

*S.T.T
°C
Yield Strength
MPa
Tensile Strength
MPa
Elongation
%
Reduction of Area
%
85020957545.063.0
90020858046.563.0
95021560544.065.0
100021660552.064.5
105018657555.568.0
*S.T.T: solution treatment temperature; The tensile properties of Inconel 600 forgings tested at 350°C under water cooling condition.

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