Sumit Impex is a reputable manufacturer of Stainless Steel 904L fasteners in India. We are known for making high-quality fasteners that are strong, durable, and resistant to corrosion.  We are a trusted SS 904L Fasteners Supplier in India and a leading Stainless Steel 904L Fasteners Supplier in Mumbai. We provide a wide variety of 904L fasteners such as bolts, nuts, screws, washers, stud bolts, hex bolts and threaded rods. These fasteners are made of high-alloy, super-austenitic stainless steel that has high amounts of nickel, chromium and molybdenum. This makes it very resistant to corrosion in acidic, chloride-rich and extreme industrial settings. We ensure that each fastener meets ASTM, ASME, DIN, ISO and international standards by using advanced manufacturing techniques and strict quality standards.

Sumit Impex is a Supplier of Stainless Steel 904L Fasteners, Biggest Stockist of 904L SS Fasteners as per Standards in Mumbai, India.

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What Are Stainless Steel 904L Fasteners?

Stainless Steel 904L Fasteners are very strong and resistant to rust. It is made from a type of stainless steel called super-austenitic.  SS 904L has high amounts of molybdenum, low carbon, and high nickel, which makes it very resistant to stress corrosion cracking, pitting, and crevice corrosion.  These fasteners are common in industries with exposure to strong acids, seawater, high temperatures, and chemicals.  Marine and offshore equipment, chemical processing systems, fertilizer plants, food processing units, pharmaceutical machinery and oil and gas installations are some of the common applications.  SS 904L Fasteners are one of the most preferred fastening options for important applications, as it is strong and reliable even in extreme conditions.

Stainless Steel 904L Fastener

Stainless Steel 904L Fastener Standards

All Stainless Steel 904L Fasteners manufactured by Sumit Impex comply with internationally recognized standards such as ASTM A193 for bolts, ASTM A194 for nuts, DIN and ISO specifications for dimensional accuracy, and EN standards for chemical and mechanical properties. These standards ensure that every fastener meets global standards for strength, durability, and resistance to rust.  All of our products come with full documentation, including EN 10204 3.1 Material Test Certificates that show where they came from and guarantee their quality.

Standard Specification For Stainless Steel 904L Fastener

SpecificationsASTM F593, F594, F1554 / ASME SF593, F594, F1554
Fasteners sizeBolt / 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 Length3 mm to 200 mm
Fastener ThreadsUNF, BSW, BSF, METRIC, UNC or as required
Standard of Stainless Steel FastenersDIN : DIN 934, DIN 931, DIN 970, DIN 933
UTS : UNEF, NPT, UNC, UNS, UNF, NPTF
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
DimensionsDIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Surface CoatingPtfe Coated Stainless Steel Fasteners
Phosphate Coating
Teflon Coating
Zinc Coating
Hot Dipped Galvanizing Coating
Cadmium Coating
Xylon Coating
Fasteners FinishingStainless 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.

Types of Stainless Steel 904L Fasteners

We manufacture and supply different Stainless Steel 904L Fasteners such as SS 904L bolts, nuts, screws, washers, stud bolts, hex bolts, threaded rods, anchor bolts and machine screws. Each fastener is made with care to make sure that the dimensions and surface finish are perfect. Our products meet the standards set by UNS N08904, WNR 1.4539, ASTM A193 and ASTM A194 which means it can be used in industries worldwide. We check the quality of every kind of fastener carefully to ensure that it is as strong, corrosion-resistant, and long-lasting as possible when used in harsh environments.

Stud Bolts

Stud Bolts

Bolts

Bolts

Nuts

Nuts

Washers

Washers

Stainless Steel 904L Fasteners Equivalent Grades

STANDARDWERKSTOFF NR.UNSJISBSGOSTAFNOREN
SS 904L1.4539N08904SUS 904L904S13Z2 NCDU 25-20X1NiCrMoCu25-20-5

Chemical Composition of SS 904L Fasteners

The chemical composition of SS 904L Fasteners includes nickel, chromium and molybdenum in large amounts, while carbon makes up a small part.  Because of this special composition the fasteners can handle environments with strong acids like hydrochloric acid, phosphoric acid, and sulfuric acid. Due to the way the alloy is made it is very resistant to pitting, crevice corrosion, and chloride-induced corrosion. This makes SS 904L the best choice for places where there is excessive corrosion, like seawater and chemical processing units. We ensure that every fastener meets the exact chemical composition set by ASTM and EN standards.

GradeCMnSiPSCrMoNiN
SS 904L0.020 max2.0 max1.0 max0.045 max0.03 max19 – 234 – 523 – 28

Mechanical Properties of Stainless Steel 904L Fasteners

We manufacture stainless steel 904L fasteners that are known for its excellent mechanical properties such as high tensile strength, high yield strength, good elongation and exceptional toughness. It stays stable in environments with high temperatures and pressures so it is suitable for applications that need strong and dependable fasteners.  Its non-magnetic properties and ability to resist stress corrosion cracking make it better for use in tough industrial settings.

DensityMelting PointTensile StrengthYield Strength (0.2%Offset)Elongation
7.9 g/cm31510 °C (2750 °F)Psi – 75000 , MPa – 515Psi – 40000 , MPa – 27520 %

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Manufacturing Process of SS 904L Fasteners

We manufacture SS 904L fasteners using advanced technologies like hot forging, cold forming, thread rolling, CNC machining and precise heat treatment. Pickling and passivation are done to each fastener to get rid of dirt, and make it more resistant to corrosion. Our controlled manufacturing process ensures that the quality, hardness and performance are consistent every time. Every product is tested through tensile testing, hardness testing, PMI testing, IGC testing, and ultrasonic inspection before dispatch.

Heat Treatment and Surface Finish

SS 904L fasteners are supplied in solution-annealed and hardened conditions depending on customer requirements. We also have customizable surface finishes like electro-polishing, bright finishing, passivation, and oxide coating. These finishes not only make the fasteners less likely to rust but it also makes it look better and work better in sensitive industrial settings.

Advantages of Stainless Steel 904L Fasteners

Stainless Steel 904L fasteners have many benefits like being very resistant to strong reducing acids, working very well in marine and offshore environments, and being very resistant to stress corrosion cracking.  Its advanced alloy composition ensures that it will last a long time and work well even in extreme temperature conditions.  Industries prefer SS 904L fasteners as it can work in very corrosive environments without losing its mechanical integrity.

Applications of SS 904L Fasteners

Our SS 904L fasteners are used in marine engineering, offshore platforms, seawater desalination plants, chemical and petrochemical industries, oil and gas refineries, pharmaceutical processing units, pulp and paper mills, food processing equipment, and pollution control systems.  It is great for both heavy-duty industrial uses and precision engineering parts as it is very resistant to corrosion and follows strict international standards.

Stainless Steel 904L Fasteners Price in India

The price of Stainless Steel 904L Fasteners in India varies based on the fastener type, size, coating, thread type, and number of items ordered. SS 904L Fastener prices are usually higher than those of grades 304 and 316 as it has a high nickel and molybdenum content. We keep prices affordable and offer good deals on large orders while still meeting high quality and global standards.

Why Choose Sumit Impex?

Sumit Impex is a leading SS 904L Fasteners Supplier in Mumbai and a top Stainless Steel 904L Fastener Manufacturer in India. We offer unmatched quality, precise dimensions and dependability.  We ensure that all of our products work consistently and customers are happy by using modern production facilities, skilled workers and strict quality control.  Since we have a strong global supply network we can easily and quickly deliver SS 904L fasteners to customers in the US and around the world.

Packaging and Delivery

We pack all of our Stainless Steel 904L fasteners using export grade materials like sealed plastic bags, corrugated boxes and wooden crates. This keeps things safe from rust, scratches, moisture and damage while it is being shipped. To ensure that packages reach customers in India and worldwide safely and on time, we follow international shipping standards.

Export & Supply Destinations Of SS 904L Fasteners

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

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

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

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

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