Inconel 702
Inconel 702 properties and heat treatment forged piece, Including Inconel 702 application and specifications, We have all specifications，Including Inconel 702 steel plate, Inconel 702 sheet, Inconel 702 square steel, Inconel 702 flat bar,Inconel 702 round bar,Inconel 702 forgings, we can own production and sales.
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We can produce the Inconel 702 has the following specifications:
Round bar steel: 1mm to 3000mm
Square-shape steel: 1mm to 2000mm
Plate steel:0.1mm to 2500mm
Width: 10mm to 2500mm
Lenth: We can supply any lenth based on the customer's requirement.
Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes
Tubings: OD: φ6-219 mm, with wall thickness ranging from 1-35 mm.
Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement
Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement
Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.
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Chemical composition % of the ladle analysis of grade Inconel 702 and Standards
General Characteristics of Inconel™ 702
Inconel™ 702 provides exceptional oxidation resistance from 2000° to 2400°F (1093° to 1316°C), though high-heat sulfur atmospheres should be avoided. This nickel-chromium alloy offers moderate strength ideal for combustion applications.
Chemical Composition of Inconel™ 702
Carbon 0.1 max
Manganese 1.0 max
Iron 2.0 max
Titanium 0.25-1.0
Aluminum 2.75-3.75
Chromium 14.0-17.0
Nickel remainder
Heat Treatment of Inconel™ 702
Anneal by holding from 1900° to 1950°F (1038° to 1066°C) for 15 to 30 minutes, then air cooling rapidly
Harden by holding at 1400°F (760°C) for 5 hours; air cool
Applications of Inconel™ 702
Jet engine combustion liners and transition pieces that move hot gas
Machinability of Inconel™ 702
Best when not age hardened
For production machining, hot roll, as roll, or hot roll and anneal
Hot-rolled and as-rolled material cuts cleaner than annealed metal
Use high-speed steel, cast non-ferrous and cemented carbide cutting tools
Lubricate with rich emulsions of plain soluble oil and water, chemically active water-soluble oil, or chlorinated, sulfurized fatty mineral or sperm oil for cutting
Remove all lubricants and residue after machining
Workability of Inconel™ 702
2200°F (1204°C) for hot working
Form by hot and cold bending, rolling and cold drawing
65% reduction between anneals
Corrosion Resistance of Inconel™ 702
Resists oxidation to 2400°F (1316°C)
May corrode in sulfur atmospheres and other corrosive atmospheres at 1700°F (927°C)
Avoid high-heat sulfur atmospheres
Avoid reducing atmospheres
Machining performance
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Principal Design Features
One of the most widely used precipitation hardening grades in the business. While soft and ductile in the solution annealed condition, it is capable of high properties with a single precipitation or aging treatment. Characterized by good corrosion resistance, high harness, toughness and strength.
Machinability
Long, gummy chips characterize this alloys machinability. It can be machined in the annealed condition, however condition H1150M will yield best results. Post machining solution treatment of parts will be required prior to final hardening if machining in this condition.
Heat Treatment
CONDITION A--Soak at 1900 F (1038 C) for 30 minutes and cool below 60 F (16 C) for complete martensite transformation. CONDITION H 950- Treat Condition A material at 900 F(482 C) for 1 hour, air cool.. CONDITION H925, H1025, H1075, H1100, H1150- Soak solution treated material for 4 hours at specified temperature, air cool, CONDITION H1150M- Soak solution treated material at 1400 F (760 C) for 2 hours, air cool, then re-heat to 1150 F (620 C) for 4 hours and air cool.
Welding
Successfully welded by common fusion and resistance methods, this alloy should not be joined by oxyacetylene welding. AWS E/ER630 filler metal is recommended if required.
Forging
Soak for 1 hour at 2150 F (1177 C) prior to forging. Do not work below 1850 F (1010 C). Post-work solution treatment is required prior to final hardening.