**Superalloy MP35N: A High-Performance Material for Demanding Applications**
**MP35N Introduction**
In the world of advanced materials, superalloys occupy a critical niche due to their exceptional mechanical properties, corrosion resistance, and ability to withstand extreme environments. Among these high-performance alloys, MP35N stands out as a premier choice for industries requiring materials that can endure harsh conditions while maintaining structural integrity. This article explores the composition, properties, applications, and advantages of MP35N, highlighting why it is a material of choice for demanding engineering challenges.
**What is MP35N?**
MP35N is a nickel-cobalt-based superalloy renowned for its unique combination of high strength, excellent corrosion resistance, and biocompatibility. Developed by SPS Technologies (now part of Precision Castparts Corp.), MP35N is composed primarily of nickel (35%), cobalt (35%), chromium (20%), and molybdenum (10%). This carefully balanced composition gives the alloy its remarkable properties, making it suitable for use in some of the most challenging environments.
**Key Properties of MP35N**
1. **Exceptional Strength and Toughness**
MP35N exhibits ultra-high tensile strength, often exceeding 260 ksi (1,800 MPa) when cold worked and heat treated. This makes it one of the strongest alloys available, capable of withstanding significant mechanical stress without deformation or failure.
2. **Outstanding Corrosion Resistance**
The alloy's high chromium content provides excellent resistance to a wide range of corrosive environments, including seawater, chlorides, and acidic solutions. MP35N is particularly resistant to stress corrosion cracking and pitting, making it ideal for marine and chemical processing applications.
3. **Biocompatibility**
MP35N is biocompatible, meaning it is safe for use in medical implants and devices. Its resistance to bodily fluids and corrosion ensures long-term performance in the human body, making it a preferred material for orthopedic and cardiovascular implants.
4. **Fatigue Resistance**
The alloy's ability to withstand cyclic loading and high-stress conditions makes it highly resistant to fatigue. This property is critical for applications such as aerospace components and medical devices, where repeated stress is common.
5. **High Temperature Performance**
MP35N retains its mechanical properties at elevated temperatures, making it suitable for use in high-temperature environments such as jet engines and gas turbines.
**Applications of MP35N**
The unique properties of MP35N make it a versatile material for a wide range of industries. Some of its most notable applications include:
1. **Medical Devices**
MP35N is widely used in the medical field for implants such as pacemaker leads, stents, and orthopedic screws. Its biocompatibility and corrosion resistance ensure the safety and longevity of these devices within the human body.
2. **Aerospace and Defense**
The alloy's high strength and fatigue resistance make it ideal for aerospace components, including fasteners, springs, and landing gear. Its ability to withstand extreme temperatures and corrosive environments is also valuable in jet engines and military applications.
3. **Oil and Gas Industry**
In the oil and gas sector, MP35N is used for downhole tools, valves, and connectors that are exposed to high pressures, corrosive fluids, and abrasive conditions.
4. **Marine Engineering**
The alloy's resistance to seawater corrosion makes it suitable for marine applications, such as submarine components, offshore drilling equipment, and desalination systems.
5. **Chemical Processing**
MP35N is used in chemical processing equipment, including pumps, valves, and fittings, where resistance to corrosive chemicals is essential.
**Advantages of MP35N**
- **Durability:** MP35N's combination of strength, toughness, and corrosion resistance ensures long-term performance in demanding environments.
- **Versatility:** Its suitability for a wide range of industries and applications makes it a highly versatile material.
- **Cost-Effectiveness:** While MP35N is more expensive than some other alloys, its durability and performance often result in lower lifecycle costs.
- **Reliability:** The alloy's consistent properties and resistance to failure make it a reliable choice for critical applications.
**Challenges and Considerations**
Despite its many advantages, MP35N is not without challenges. The alloy's high cost and difficulty in machining can limit its use in some applications. Additionally, specialized processing techniques, such as cold working and heat treatment, are often required to achieve its optimal properties. However, for applications where performance is paramount, these challenges are often outweighed by the benefits.
**Conclusion**
Superalloy MP35N represents the pinnacle of material engineering, offering a unique combination of strength, corrosion resistance, and biocompatibility. Its ability to perform in extreme environments makes it indispensable in industries ranging from aerospace to healthcare. As technology continues to advance, the demand for high-performance materials like MP35N is likely to grow, solidifying its place as a critical component in modern engineering and innovation. Whether in the depths of the ocean, the human body, or the far reaches of the atmosphere, MP35N continues to prove its worth as a material that can truly withstand the test of time.
MP35N Hex Head Bolts Supply MP35N Screws Wholesale Factory 12-Pt Flange Screws customized,
aircraft Mp35n Bolts and UNS R30035 Screws/ Studs/ Fasteners manufacturer,
MP35N fasteners | UNS R30035 studs/ hex bolts/ threaded rod/nuts suppliers,
Inconel 625 Nuts, Inconel 625 ASTM B446 Nuts Manufacturers, Suppliers & Exporters mp35n,
Duplex 2205 UNS S31803 S32205 M24 Full Thread DIN912 Hex Socket Screws Allen Bolt,
Alloy 625 Alloy 718 NUTS CASTLE NUTS , A286 Bolts Manufacturers | A286 Super Alloy Bolts, Blue Titanium Bolts,
A286 Stainless Steel Bolts and Studs, Hastelloy Alloy C276 Heavy Hex Bolts, Hastelloy C276 Hex Bolts, Incoloy 925 825 bolt nut nickel alloy Fasteners,
High quality Inconel 718 UNS N07718 W.Nr.2.4668 GH4169 Alloy 718 12 POINT FLANGE BOLT, ASME ISO DIN SOCKET HEAD CAP SCREW Inconel 718 UNS N07718 W.Nr.2.4668,
ANSI4140 ASTM A193 B7 A194 Gr.2H/ Gr.2HM Black Oxided Stud Bolt Hex Bolt Nut Studbolt Washer, Ferralium 255 I SD50 (Super Duplex 255) Super Duplex Alloy 255 F255 1.4507 31803 1.4435 bolts,
Inconel 718 2.4668 UNS N07718 Alloy718 Precision CNC Machining Part Customized Special Screw, Aerospace Fasteners Aerospace Bolts Aerospace Screws A286 660B BOLTS SILVER PLATED,
Super Duplex 32750 HEX BOLT, UNS S32750 Bolts and ASTM A276 1.4410 Stud Bolt/ Hex Nuts/ Fasteners,
U-Bolts ASTM A193 B7 B7M B8 B8M BOLT NUT OIL&GAS S32760 NUT U BOLT, A693 Grade 630/SS17-4PH specific thread UNJF hex head bolt 1.1/8''UNJFX 19'' long,
12 point flange bolts INCONEL 718 TO AMS 5962, Carpenter MP35N* Ni-Co-Cr-Mo Alloy, 0% Cold Reduction,Fastener supplier, fasteners, nuts, bolts, sockets, washers and more in MP35N.
MP35N Fasteners MP35N (2.4999) fasteners are known for their extraordinary strength and the strongest fasteners.
MP35N fasteners owe their extraordinary strength to a unique alloy combination of nickel, cobalt, chrome and molybdenum and have ultimate tensile strengths that range from 227 ksi to 294 ksi (with age hardening).
Beyond the strength of MP35N fasteners, they are also exhibit good corrosion resistance and can resist most mineral acids, hydrogen sulfide, seawater and salt spray environments.
MP35N fasteners are also resistant to high temperature oxidation and could operate in environments up to 800°F and still maintain much of its strength. MP35N Bolts,
MP35N Nuts,MP35N Screws,MP35N Washers,MP35N Studs, MP35N Flat Head Screws,MP35N Button Head Cap Screws,MP35N Hex Cap Screws,MP35N Pan Head Screws,MP35N Pan Head Screws,
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MP35N Shoulder Bolts MP35N: A Superalloy for Critical Oil and Gas Applications The attractive properties of MP35N have led to its adoption into critical equipment in industries including aerospace, medicine, mining, offshore equipment,
and oil and gas production. Typical applications include fasteners, springs, wire, cables, medical prostheses, pump shafts, valve stems, pressure housings, and cold-worked tubing.
Even at yield strengths exceeding 200 ksi (1380 MPa), MP35N possesses excellent corrosion resistance in harsh oil and gas environments including seawater,
chloride brines, sweet gas, and sour gas. It is the highest strength alloy approved in NACE MR0175 [1] for use in unrestricted sour service, offering an unmatched combination of strength and corrosion resistance. The unique capabilities of MP35N are derived from the alloy’s chemistry, premium melting technology, cold-working, and heat treatment.
MP35N (UNS R30035) is a vacuum induction melted (VIM), vacuum arc re-melted (VAR) superalloy with cobalt, nickel, chromium, and molybdenum as its primary alloying elements. Its nominal chemical composition by weight is 35% cobalt, 35% nickel, 20% chromium, and 10% molybdenum.
The VIM VAR melt practice provides superior cleanliness and reduces the presence of non-metallic inclusions and residual elements, like carbon, that have deleterious effects on mechanical properties and corrosion resistance.
MP35N is unique in its ability to be simultaneously strong, tough, and ductile with superior corrosion resistance. It can be strengthened beyond the capabilities of stainless steels and nickel-based alloys like 718 with equal or better corrosion resistance in many environments.
The high strength of MP35N is created by a combination of work hardening and an age hardening heat treatment. Yield strength in the high-strength cold-worked-and-aged condition can exceed 260 ksi (1793 MPa) with ductility near 40% reduction of area.
standard fasteners ( bolts and nuts ) includs :
ASTM A193 ALLOY STEEL: ASTM B5, ASTM B6, ASTM B7, ASTM B7M, ASTM B16
ASTM 320 ALLOY STEEL: A320 L7 , A320 L7M , A320 L43
ASTM A325 & ASTM A490 CARBON AND ALLOY STEEL,STRUCTURE AND TENSION CONTROL BOLT
ASTM A453 HIGH TEMPERATURE: A453 660A , A453 660B , A453 660C , A453 660D , A453 661 , A453 662 , A453 665 .
STAINLESS STEEL: 904L ,C-286 B8 , B8 CL2 , B8M , B8M CL2 , B8C , B8CA ,B8T, SS 303 , SS 304, SS 304L, SS 310 , SS 316L , SS 321 , SS 347 , SS 410 , SS 501 ,
NICKEL ALLOYS: ALLOY 20 ,NICKEL 200/201
HASTELLOY ; HASTELLOY B-2 ,-HASTELLOY B-3, HASTELLOY C-4 , -HASTELLOY C-22,-HASTELLOY C-276,-HASTELLOY X,-HASTELLOY B-2
MONEL : MONEL 400 ,-MONEL K-500
INCOLOY : INCOLOY 800/800H/800HT, -INCOLOY 825 ,-INCOLOY 925 ,-INCOLOY 901
INCONEL ; INCONEL 600 ,-INCONEL 601 ,-INCONEL 625, -INCONEL 718 ,-INCONEL X-750 ,-INCONEL 800/800H ,-INCONEL X-825 , -INCONEL 925
DUPLEX STAINLESS ; S31803(2205) , S32205 , S31254 , S32750 (2507) , S32760 , S32550
TITANIUM FASTENERS
ALUMINIUM FASTENERS
CRUSHER LINER PLATE BOLT A6984/25/1 , A6984/25/2...
FIXED JAW WEDGE BOLT 600/842 , 600/843 ,325/27, 325/28.....；
SWING JAW WEDGE FORGET BOLT 82-01-0002 , 82-01-0003...
CRUSHER SIDE WEAR PLATE BOLT 82-03-0001...
PLOW BOLT , OVAL HEAD BUCKET BOLT,.....
