Sumit Impex is a premier manufacturer and Supplier of Waspaloy Fasteners. We pride ourselves on delivering precision-engineered solutions for your fastening needs. Trust us to provide unparalleled quality and reliability in every fastener.

Sumit Impex is a Supplier of Waspaloy Fasteners, Biggest Stockist of Waspaloy Fasteners as per Standards in Mumbai, India.

Waspaloy Fastener, Waspaloy Bolts, Waspaloy Fasteners in Best Price, Waspaloy Nuts, Waspaloy Screws, Waspaloy Washers

Waspaloy fasteners are renowned for their exceptional corrosion resistance, which makes them ideal for demanding environments such as aerospace, marine, and chemical processing. These high-performance fasteners are commonly used in critical applications where resistance to oxidation, high temperatures, and aggressive chemicals is paramount. Their superior properties make them favoured components in aircraft engines, gas turbines, and various industrial machinery where reliability and longevity are crucial.

Sumit Impex, a renowned supplier of high-quality industrial components, offers Waspaloy fasteners with comprehensive testing and inspection services to ensure utmost reliability and performance. Micro and macro tests and flaring and pitting resistance tests are conducted to guarantee superior quality. Additionally, PMI testing and 100% radiography test reports are provided, along with third-party inspection certificates, showcasing our commitment to excellence and customer satisfaction.

Waspaloy Fasteners

Standard Specification For Inconel 600/601/625 Fasteners

Specifications ASTM B637 / ASME SB637
Fasteners size Bolt / Screw Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Nuts Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Washers Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Machine Screws Size : M1.6 – M12
Self Tapping Screw Size : No.2 – No. 14
Fasteners Length 3 mm to 200 mm
Fastener Threads UNF, BSW, BSF, METRIC, UNC or as required
Standard of Stainless Steel Fasteners DIN : DIN 934, DIN 931, DIN 970, DIN 933
ISO : JIS standards, ISO 4033, ISO 4032,
ANSI – American National Standards Institute
ASME B18.5
ANSI B 28.2.4 1M
as per defined in ASME B16.5 standard SS Stud Bolt length
ANSI B 18.2.4 2M
as per defined in ASME B18.2.2 SS Hex nuts
Dimensions DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Surface Coating Ptfe Coated Stainless Steel Fasteners
Phosphate Coating
Teflon Coating
Zinc Coating
Hot Dipped Galvanizing Coating
Cadmium Coating
Xylon Coating
Fasteners Finishing Stainless steel : Self-Colour, Passivated, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), Stainless Steel, Sherardized, some special one like DACROMET Geometry and Mechanically Applied coating ,Dacroment, nickel plated, anodizing, plated zinc-nickel
Zinc (blue, black, yellow, white), black oxide.

Waspaloy Fasteners Types

Stud Bolts

Stud Bolts







Waspaloy Fasteners Equivalent Grades

WASPALOY 2.4654 N07001

Waspaloy Fasteners Chemical Composition

Cr Ni Mo Co Al Ti B C Zr Fe Mn Si P S Cu
MIN 18.00 3.50 12.00 1.20 2.75 0.003 0.02 0.02
MAX 21.00 Balance 5.00 15.00 1.60 3.25 0.01 0.10 0.08 2.00 0.10 0.15 0.015 0.015 0.10

Waspaloy Fasteners Mechanical Properties

Temperature °F 70 1200 1400 1600
Ultimate Tensile Strength ksi 193 173 140 79
0.2% Yield Strength ksi 132 112 112 60
Elongation % 27 21 12 12
Hardness Rockwell C 34-40 – – –

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Waspaloy Fasteners Applications

Export & Supply Destinations Of Inconel Waspaloy Fasteners

Japan, Malaysia, British, Bhutan, Philippines, Russia, Egypt, Bahrain, Qatar, Maldives, Hong Kong, Taiwan, Afghanistan, Oman, Israel, Vietnam, Singapore, Saudi Arabia, Bangladesh, Turkey, Kuwait, India, Sri Lanka, Jordan, Kyrgyzstan, Armenia, South Korea, Iraq, Myanmar, North Korea, Azerbaijan, Indonesia, Macau, Iran, United Arab Emirates, China, Mongolia, Lebanon, Thailand, Nepal.

United Kingdom, Cyprus, Azerbaijan, Romania, Liechtenstein, Serbia, Portugal, Germany, Lithuania, Hungary, Ireland, Russia, France, Finland, Bulgaria, Italy, Estonia, Belarus, Norway, Spain, Czechia/Czech Republic, Luxembourg, Switzerland, Moldova, Austria, Denmark, Netherlands, Greece, Malta, Ukraine, Monaco, Belgium, Turkey, Latvia, Croatia, Sweden, Poland, Slovakia.

Kenya, Central African Republic, Morocco, Tanzania, Niger, Tunisia, Cameroon, Burundi, Senegal, Namibia, Nigeria, Burkina Faso, South Africa, Zimbabwe, Ethiopia, Uganda, Gambia, Liberia, Mozambique, Algeria, Seychelles, Botswana, Mauritania, Eswatini, Egypt, Zambia, Rwanda, Madagascar, Angola, Mauritius, Libya.

Bahamas, El Salvador, Trinidad and Tobago, United States of America, Antigua and Barbuda, Honduras, Costa Rica, Jamaica, Saint Vincent and the Grenadines, Nicaragua, Haiti, Grenada, Cuba, Belize, Dominica, Guatemala, Panama, Mexico, Dominican Republic, Barbados, Saint Lucia, Canada.

Paraguay, Guyana, Venezuela, Brazil, Peru, Chile, Suriname, Ecuador, Bolivia, Colombia, Uruguay, Argentina.