AMS 5668 Stockist, AMS 5668 Equivalent Datasheet
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AMS 5668
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AMS 5668 Nickel Alloy, Corrosion and Heat-Resistant, AMS 5668 Round bar, Forgings, and Rings 72Ni - 15.5Cr - 7.0Fe - 2.5Ti - 1.0Cb (Nb) - 0.70Al, 1149 °C Solution and Precipitation Heat Treated
MATERIAL TECHNICAL DATASHEET - Grade AMS 5668
Material Category - Aerospace Material 
Steel Series
Techncial Specifications - AMS 5668K
HS Code for Customs - 72221100 / 72221900 / 72223000
Official Test Report - issued by TUV - SGS - BV

MAIN CHEMICAL COMPOSITIONS (mass weight %) 
Carbon, C (%):  ≤ 0.08
Manganese, Mn (%):  ≤ 1.00
Silicon, Si (%):  ≤ 0.50
Phosphorus, P (%)≤:  0.015
Sulfur, S (%)≤:  0.010
Chromium, Cr (%):  14.0 ~ 17.0
Nickel, Ni (%):  70.0 Min.
Molybdenum, Mo (%): -
Niobium, Nb (%): 0.70 ~ 1.20
Titanium, Ti (%): 2.25 ~ 2.75
Aluminum, Al (%): 0.40 ~ 1.00
Coppper, Cu (%): 0.50
Tantalum, Ta (%): 0.05
Cobalt, Co (%): 1.00
Ferrum, Fe (%): 5.00 ~ 9.00

MECHANICAL PROPERTIES UNDER ROOM TEMP.
Shapes: bars, forgings and rings.
Heat treatment practice: solution heat treated by heating to 1149 °C ± 14 °C, 
                                        holding at heat for 2 to 4 hours, and cooling in air.
Tensile strength, σb/MPa:  965
Yield strength, σ0.2/MPa:  552
Elongation, δ(%):  8.0
Reduction of area, ф (%):  8.0
Hardness under hot finished condition | HBW:  +
Hardness under precipitation heat treatment condition | HBW:  262 ~ 341

RELEVANT STANDARDS FOR REFERENCE
AMS2261 Tolerances, Nickel, Nickel Alloy, and Cobalt Alloy Bars, Rods, and Wire
AMS2269 Chemical Check Analysis Limits, Nickel, Nickel Alloys, and Cobalt Alloys
AMS2371 Quality Assurance Sampling and Testing, Corrosion and Heat-Resistant Steels and Alloys, Wrought Products and Forging Stock
AMS2374 Quality Assurance Sampling and Testing, Corrosion and Heat-Resistant Steel and Alloy Forgings
AMS2806 Identification, Bars, Wire, Mechanical Tubing, and Extrusions, Carbon and Alloy Steels and Corrosion and Heat-Resistant Steels and Alloys

ADVANTAGE & SUPERIOR SERVICE
20+ years Focus On Special Steel Manufacturing and processing.
Stock over 60 grades with a competitive price, along with cutting service for specific requirement.
Customizing special 
material is welcome.
CNC saw cutting. Marking by stamping or printing. Third party inspection service. Export packing /

Round bar (Diameter): 5.5 to 500mm
Square bar / Flat bar (Thickness X width): 10 to 610mm
Wire rod (Diameter): 1.0 to 11.0mm
Steel strip: THK0.5 ~ 3.0, width 10 ~ 220mm
Length: fixed length, random length, or based on the customer's special requirement.

TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry or help, pleased to EMAIL our resident team of qualified production engineers. E-mail: sales@ccsteels.com.

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