625LCF卷 NO6626板
INCONEL alloy 625LCF (UNS N06626 / W. Nr. 2.4856) was developed as a fatigue-resistant, bellows-quality version of INCONEL alloy 625. Alloying, melting and processing are designed and controlled to provide a sheet product with optimum resistance to low-cycle and thermal fatigue at up to 1200°F (650°C). The alloy offers a high level of performance in aircraft exhaust and automotive flexible coupling bellows, expansion joints in process or transport piping, and other applications involving resistance to low-cycle or thermal fatigue.
Limiting Chemical Composition, wt %
Nickel..........................................................................58.0 min.
Chromium..................................................................20.0-23.0
Molybdenum................................................................8.0-10.0
Niobium a .....................................................................3.15-4.15
Iron...............................................................................5.0 max.
Carbon.......................................................................0.03 max.
Manganese................................................................0.50 max.
Silicon........................................................................0.15 max.
Sulfur........................................................................0.015 max.
Aluminum...................................................................0.40 max.
Titanium ....................................................................0.40 max.
Phosphorus.............................................................0.015 max.
Cobalt.........................................................................1.0 max.
Nitrogen....... ...........................................................0.02 max
Physical Properties
Density, lb/in3....................................................................0.305
g/cm3.....................................................................8.44
Melting Range, °F.....................................................
℃....................................................
Curie Temperature, °F.......................................................<-320
℃......................................................<-196
Permeability at 200 oersted (15.9 kA/m)........................1.0006
Room-Temperature Mechanical Properties
MinimumTensileStrength,ksi....................................................120 MPa.................................................827
Minimum Yield Strength (0.2% Offset) ksi..................................60
MPa................................414
Minimum Elongation, %................................................................40
Bend Tent:
Thicknessesof0.050in(1.27mm)andunder................................................1T
Thicknessesover0.050in(1.27mm)through0.100in(2.54mm)....................2T
Corrosion Resistance
INCONEL alloy 625LCF (UNS N06626) has the same excellent corrosion resistance as INCONEL alloy 625 (UNS N06625). In mild environments such as the atmosphere, fresh and sea water, neutral salts and alkaline media, the alloy is virtually unaffected.In more severe environments, the combination of nickel and chromium provides resistance to oxidizing chemicals and atmospheres, and the high nickel and molybdenum supply resistance to non-oxidating environments.
Available Products
INCONEL alloy 625LCF is available as cold-rolled, annealed sheet and strip in thicknesses from 0.005 - 0.100 in (0.13 - 2.54 mm). Widths up to 48 in (1220 mm) are available in flat, cut lengths or as coils up to 20,000 lb (9000 kg).
Heat Treatments
INCONEL alloy 625LCF is typically annealed at 1800°F (980°C) for 5 minutes with air cooling
Specifications
INCONEL alloy 625LCF is designated as UNS N06626 and W. Nr. 2.4856, and meets the requirements for UNS N06625.Sheet and strip- SAE AMS 5879, ASTM B 443, ASME SB 443, BS 3072 (NA21), ASME Code Case 2276.
特性及用途： 提供更好的抗低周疲劳性能，多用于制造波纹管。
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