Superalloy CNC Machining Service

Neway's Superalloy CNC Machining Service offers precision machining for high-performance alloys, including Inconel, Hastelloy, and Titanium. We deliver complex, tight-tolerance components for aerospace, automotive, and energy industries, ensuring superior quality, durability, and efficiency in every part.

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Know About Superalloy CNC Machining

Understanding superalloy CNC machining involves recognizing material properties like high strength and heat resistance. Key processing parameters include optimized spindle speed, feed rate, and cutting depth. Precautions include controlling heat buildup and tool wear and ensuring machine rigidity for precision and performance.

Category	Description
Machining Properties	Superalloys are characterized by exceptional strength, hardness, and resistance to oxidation and high temperatures. These properties make them challenging to machine, often requiring higher cutting forces and slower speeds. The alloys' toughness and work-hardening tendencies demand specialized tooling and cooling methods to avoid excessive wear, thermal damage, and to achieve the desired surface finish.
Machining Parameters	Superalloy machining requires careful control of parameters: low cutting speeds (60-100 m/min) to minimize tool wear and heat buildup, moderate feed rates (0.1-0.5 mm/rev) to balance efficiency with finish quality, and shallow cuts (0.5-2 mm) to reduce thermal stresses and ensure precision. Additionally, tool coatings and high spindle power are recommended for improved performance.
Precautions	Machining superalloys demands vigilant monitoring of tool wear and cutting temperatures. Using high-pressure coolant or dry machining helps dissipate heat, extending tool life and maintaining part integrity. Maintaining machine rigidity is essential to minimize vibrations, which can degrade surface quality. Proper tool selection, monitoring, and avoiding excessive heat generation are key to achieving optimal results.

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Machining Materials Available

We offer various machining materials for diverse industry needs, including metals, plastics, and composites. Our selection includes high-performance materials such as stainless steel (304, 316), aluminum alloys (6061, 7075), titanium alloys (Ti-6Al-4V, Ti-6-4), and nickel-based alloys (Inconel, Hastelloy) for aerospace, automotive, and high-temperature applications. We also work with engineering plastics like POM, ABS, and Nylon, as well as composite materials such as carbon fiber reinforced plastics (CFRP).

Inconel Alloys	Tensile Strength (MPa)	Yield Strength (MPa)	Fatigue Strength (MPa)	Elongation (%)	Hardness (HRC)	Density (g/cm³)	Applications
Inconel 600	690	250	260	40	90-100	8.47	Heat exchangers turbine blades furnace components
Inconel 617	825	550	300	35	95-105	8.95	Gas turbines aerospace components power plants
Inconel 625	880	340	290	35	90-100	8.44	Marine aerospace chemical processing
Inconel 690	860	400	350	32	95-105	8.89	Nuclear power heat exchangers industrial furnaces
Inconel 713	760	350	300	25	90-100	8.70	Gas turbines high-temperature applications
Inconel 713C	780	400	320	24	95-105	8.73	Turbine blades combustor components
Inconel 713LC	800	420	330	22	100-110	8.75	Aerospace turbine components industrial engines
Inconel 718	1030	725	500	20	40-45	8.19	Jet engines gas turbines aerospace components
Inconel 718C	1050	760	510	18	45-50	8.19	High-performance turbines aerospace applications
Inconel 718LC	1060	770	520	18	45-50	8.20	Aerospace components high-temperature alloys
Inconel 738	1030	600	470	15	100-110	8.25	High-temperature turbine blades combustion chambers
Inconel 738C	1100	750	520	12	100-110	8.30	Gas turbine blades aerospace engines
Inconel 738LC	1050	720	500	14	105-115	8.32	Gas turbines aerospace applications
Inconel 751	1100	760	550	12	100-110	8.18	High-temperature industrial applications gas turbines
Inconel 792	1150	800	570	10	110-120	8.16	Aerospace components turbine blades
Inconel 800	600	250	220	40	80-90	7.94	Heat exchangers industrial furnaces
Inconel 800H	650	300	250	35	85-95	7.98	Heat exchangers petrochemical applications
Inconel 800HT	750	350	280	30	90-100	8.01	High-temperature reactors industrial heat exchangers
Inconel 925	900	550	400	25	90-100	8.40	Chemical processing marine environments
Inconel 939	950	650	500	22	95-105	8.30	Gas turbine blades high-performance engines
Inconel X-750	1035	690	490	20	95-105	8.40	Gas turbines aerospace engines nuclear reactors
Monel Alloy	Tensile Strength (MPa)	Yield Strength (MPa)	Fatigue Strength (MPa)	Elongation (%)	Hardness (HRC)	Density (g/cm³)	Applications
Monel 400	550-760	170-345	250-345	30-45	20-30	8.8	Marine environments chemical processing equipment pumps, valves, fasteners
Monel 401	585-755	170-310	230-345	25-35	20-30	8.9	Corrosive environments saltwater applications heat exchangers
Monel 404	570-740	170-300	220-330	28-40	25-30	8.8	Marine chemical food processing applications pumps, valves, and heat exchangers
Monel 450	620-810	280-400	260-370	15-30	30-35	8.9	Chemical processing marine applications seawater desalination systems
Monel K500	1030-1300	690-1030	350-500	15-30	35-45	8.8	Aerospace marine valves and pump components cryogenic tanks high-strength structural parts
Monel R-405	550-760	170-345	230-345	30-40	20-30	8.9	Used for marine and chemical applications heat exchangers equipment exposed to severe corrosion conditions
Hastelloy Alloy	Tensile Strength (MPa)	Yield Strength (MPa)	Fatigue Strength (MPa)	Elongation (%)	Hardness (HRC)	Density (g/cm³)	Applications
Hastelloy B	550	240	200	30	55-75	8.89	Chemical processing equipment Acid-resistant components Corrosive fluid handling systems
Hastelloy B-2	550	240	200	30	55-75	8.89	Chemical reactors Piping for acids Desalination plants
Hastelloy B-3	585	250	210	35	55-80	8.89	Strong acid handling Acid-resistant tanks Heat exchangers
Hastelloy C-4	620	275	250	40	85	8.89	High-temperature gas turbines Heat exchangers Chemical reactors
Hastelloy C-22	760	310	270	50	90	8.89	Process equipment in chemical pharmaceutical petrochemical industries
Hastelloy C-22HS	800	330	300	50	90	8.89	Chemical reactors Food processing equipment High-temperature acid environments
Hastelloy C-276	860	350	300	50	90	8.89	Petrochemical processing Marine environments Flue gas desulfurization systems
Hastelloy G-30	800	320	270	45	90	8.85	Power generation Desalination Acid-resistant pumps and valves
Stellite Alloys	Tensile Strength (MPa)	Yield Strength (MPa)	Fatigue Strength (MPa)	Elongation (%)	Hardness (HRC)	Density (g/cm³)	Applications
Stellite 1	1,200	900	800	2	40-45	8.30	Valve seats Pumps Bearings High-wear applications in chemical processing
Stellite 3	1,100	850	700	4	40-45	8.33	Valve components Pumps Wear-resistant parts in high-temperature environments
Stellite 4	1,200	950	850	3	45-50	8.35	Valve seats Combustion chambers High-wear components in aerospace and power generation
Stellite 6	1,100	850	800	5	45-50	8.35	Hard-facing of tools Valve components Wear-resistant parts in high-wear environments
Stellite 6B	1,150	900	850	4	45-50	8.36	Valve seats Pumps Wear-resistant parts in high-pressure and high-temperature applications
Stellite 6K	1,150	900	850	4	50-55	8.35	Cutting tools Hard-facing Wear-resistant applications in aerospace and industrial applications
Stellite 12	1,100	850	700	5	40-45	8.35	Hard-facing of tools Chemical processing Marine components
Stellite 20	1,150	900	750	6	45-50	8.38	Hard-facing of bearings Engine components Aerospace parts exposed to high temperature and wear
Stellite 21	1,150	900	750	6	45-50	8.38	Valves Bearings Pumps Components in harsh wear conditions
Stellite 25	1,250	950	800	3	50-55	8.40	High-temperature wear-resistant coatings Cutting tools Valve seats
Stellite 31	1,300	1,100	900	2	55-60	8.45	Severe wear environments High-pressure valve components Tooling
Stellite F	1,150	900	800	5	50-55	8.35	Hard-facing for pumps and valves Marine components High-wear machinery
Stellite SF12	1,200	950	850	4	45-50	8.36	Valve components Hard-facing applications in high-temperature environments
Nimonic Alloys	Tensile Strength (MPa)	Yield Strength (MPa)	Fatigue Strength (MPa)	Elongation (%)	Hardness (HRC)	Density (g/cm³)	Applications
Nimonic 75	930	490	410	25	35-40	8.25	Gas turbines High-temperature components in aerospace Engine blades
Nimonic 80A	1000	550	460	30	40-45	8.28	Aircraft engine components Heat exchangers Turbine blades
Nimonic 81	1030	550	480	28	40-45	8.25	Jet engines Aerospace components High-temperature gas turbines
Nimonic 86	1100	600	510	35	45-50	8.23	Jet engine components Turbine blades High-temperature power generation
Nimonic 90	1200	650	550	30	50-55	8.23	High-performance turbine blades Aerospace Gas turbines
Nimonic 105	1100	600	500	28	45-50	8.30	Gas turbine components High-temperature applications Aerospace
Nimonic 115	1150	700	600	35	50-55	8.31	Aircraft engines Turbine blades High-temperature corrosion-resistant components
Nimonic 263	1300	900	750	30	55-60	8.33	Gas turbines Aircraft engines Components exposed to extreme temperatures and high stresses
Nimonic 901	1370	950	800	30	55-60	8.38	High-performance turbine blades Gas turbine engines Aerospace engines
Nimonic PE11	1350	900	750	28	55-60	8.36	Aerospace Gas turbines High-temperature valve components
Nimonic PE16	1450	1000	850	32	60	8.38	Jet engines Turbine blades Aerospace and high-performance power generation systems
Rene Alloys	Tensile Strength (MPa)	Yield Strength (MPa)	Fatigue Strength (MPa)	Elongation (%)	Hardness (HRC)	Density (g/cm³)	Applications
Rene 104	1300	1050	900	20	45-50	8.34	High-temperature turbine blades Aerospace components Gas turbines Jet engine parts
Rene 108	1350	1100	950	18	50-55	8.35	Gas turbines Aircraft engine components High-temperature applications with excellent creep resistance
Rene 142	1400	1150	1000	15	55-60	8.37	Jet engine components Aerospace applications High-stress turbine blades
Rene 41	1250	1000	850	22	45-50	8.31	High-temperature gas turbine components Aerospace Military and industrial applications
Rene 65	1450	1200	1050	18	60-65	8.38	Aircraft turbine blades Aerospace engines High-stress applications requiring thermal stability
Rene 77	1500	1250	1100	18	65	8.40	Jet engines Turbine blades High-temperature and high-stress components in aerospace and power systems
Rene 80	1550	1300	1150	17	65-70	8.42	Gas turbines Aerospace engines Exhaust components High-performance turbine blades
Rene 88	1600	1350	1200	15	70	8.43	High-temperature turbine blades Aerospace engines Components for extreme thermal and mechanical loads
Rene 95	1650	1400	1250	14	70-75	8.45	High-performance turbine components Aerospace engines Extreme temperature and load-bearing applications
Rene N5	1700	1450	1300	12	75	8.47	Jet engines Gas turbine blades Extreme high-temperature applications
Rene N6	1750	1500	1350	11	75	8.48	Aerospace Jet engine components High-temperature power generation systems

Post Process for Superalloy CNC Machined Components

Post-processing for superalloy CNC machined components involves precision heat treatment, HIP, TBC, EDM, and inspection. These steps enhance mechanical properties, reduce residual stress, improve surface quality, and ensure the components meet stringent industry standards for high-performance applications.

Post Process	Functions
Hot Isostatic Pressing (HIP)	Eliminates porosity, increases density, and enhances fatigue and creep resistance.
Heat Treatment	Optimizes strength, hardness, and thermal stability.
Superalloy Welding	Enables precise repairs and strong joints.
TBC Coating	Provides thermal protection, extending service life.
CNC Machining	Achieve tight tolerances and complex geometries.
EDM	Achieve tight tolerances and complex geometries.
Deep Hole Drilling	Supports intricate designs.
Material Testing	Validates performance for critical applications like aerospace and power generation.
More Post Process >>	Ahieve higher physical, chemical and mechanical properties as well as surface properties

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Superalloy CNC Machined Components Case Study

This case study highlights the challenges and solutions in machining superalloy components for high-performance applications. It covers material selection, CNC machining processes, post-processing techniques, and quality control, demonstrating how precision and expertise ensure optimal performance in demanding environments.

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Superalloy CNC Machining Parameter Suggestion

Superalloy CNC machining requires optimized parameters for efficiency and quality. Key factors include controlled spindle power, moderate feed rates, shallow cuts, and high-pressure coolant. Proper tool selection, coatings, and machine rigidity ensure precision, reduce wear, and enhance component performance.

Parameters	Suggestions	Explanation
Spindle Power	High spindle power (20-40 kW depending on material)	Superalloys require significant power for machining due to their hardness and strength. Higher spindle power helps maintain cutting efficiency.
Feed Rate	Moderate feed rate (0.1 - 0.5 mm/rev)	Feed rate should be optimized for balance between cutting speed and tool wear. Superalloys may require slower feeds.
Cutting Speed	Low cutting speed (60-100 m/min)	Due to high hardness and toughness, superalloys need slower cutting speeds to prevent excessive tool wear and heat buildup.
Depth of Cut	Shallow to medium depth (0.5 - 2 mm per pass)	Superalloys often require shallower cuts to avoid excessive thermal loads on the tool and material, reducing stress.
Step Over (Finishing)	Small step-over (0.1 - 0.5 mm)	A smaller step-over during finishing ensures a smoother surface finish and helps avoid material deformation.
Tool Material	Carbide or Cermet tools	Carbide and cermet tools provide the required hardness and heat resistance for machining superalloys effectively.
Coolant	High-pressure coolant or dry machining	High-pressure coolant can help reduce heat and improve tool life, while dry machining may be used with appropriate tooling for reduced thermal impact.
Cutting Tools	Use of coated carbide tools (e.g., TiAlN, CVD coating)	Coatings reduce wear, improve cutting performance, and enhance the longevity of the tools when machining high-temperature alloys.
Tool Geometry	Positive rake angle and sharp cutting edges	Positive rake angles reduce cutting forces and help achieve a smoother finish, crucial for superalloy materials.
Tool Wear Monitoring	Real-time tool wear monitoring systems	Prevents tool failure and ensures high precision by monitoring wear and replacing tools before significant degradation.
Machine Rigidity	High rigidity CNC machines with thermal stability	Superalloys are hard and tough materials that demand stable, rigid machines to maintain precision during machining.
Vibration Control	Minimize vibrations with appropriate fixture design and damping techniques	Reducing vibrations ensures smoother machining and avoids tool damage, especially important in high-precision superalloy components.