Stainless Steel 904l fasteners
ASTM B625 UNS N08904 Threaded Rod Manufacturer in India
If your current fasteners are failing in sulphuric acid service, seawater lines, or chloride-heavy environments, Stainless Steel 904L Fasteners is worth a serious look. The grade carries around 25% nickel and 4 to 5% molybdenum that is what gives Alloy 904L Hex Bolts and Nuts the edge in conditions where standard stainless grades tend to pit or corrode early. For projects where budget matters, SS 904L hits a sweet spot that most other high-performance grades simply cannot.
At Fasteners Online, we manufacture stainless steel 904L fasteners in Mumbai, in various types such as hex bolts, heavy hex nuts, stud bolts, threaded rods, washers, and screws in sizes from M1 to M152 and lengths going up to 1000mm. Every piece is manufactured as per ASTM B625 standards and supplied with EN 10204 3.1/3.2 mill test certificates. We serve clients across chemical processing, oil and gas, marine engineering, pharmaceutical, and mining sectors industries where material quality is not negotiable.
We also maintain ready stock as a stockist of ASTM B625 Type 904L fasteners, which works well for maintenance teams and contractors who cannot wait on production lead times. For international buyers, we are an active exporter shipping regularly to Brazil, Oman, Qatar, South Africa, Germany, and Nigeria with documented delivery timelines to major ports. Tell us your size, standard, and quantity, and Fasteners Online will have a quote ready for you within 24 hours.
Table of Content
What is 904L stainless steel fasteners?
SS 904L Bolts contains nickel upto 28%, chromium upto 23% and molybdenum upto 5% which makes it high strength and durable. These fasteners offers higher corrosion resistance and can withstand higher temperature as compared to 316 or 316L.
We are well known manufacturer of stainless steel 904L fasteners in India in different threads and sizes. Fastener online is exporter of AISI 904L bolts and nuts in South Africa, UAE, Saudi Arabia, Spain, Brazil and Mexico.
904L Stainless Steel Fasteners Specification
SUS 904L Nuts Size
M3 – M56 | 3/6″ to 2″
904L SS Bolt Sizes
M2 to M24
AISI 904L Screw Size
3/6″ to 2″
SS 904L Machine Screws Size
M1.6 – M12
ASTM B625 Type 904L Washers Size
M3 – M56 | 3/6″ to 2″
ISO Standard
ISO 4014 / 4017 / 4762 / 7380 / 3506-1
AISI 904L fasteners Length
3 mm to 200 mm
904l stainless steel bolts Weldability
Not easy to weld
DIN 1.4539 Anchor Bolt Melting Point
1350 – 1400 °C
Stainless Steel 904L Hex Head Bolt Threads
METRIC / UNF / BSW / BSF / UNC
Type 904L Stainless Steel Heavy Hex Nuts Standards
DIN 933, 931, 934, 976, 7991, 125 / ASME B18.2.1, B18.3
Custom Sizes
We are well known Stainless steel 904L fasteners manufacturer in India in M2 to M124 size range.
904L SS Studs Type
Fully or Fine threaded / Tap-End / Double-End
Origin
Russian / Korean / European / Indian
ASTM B625 UNS N08904 Hex Nut Condition
Threading / Cold Drawn
Manufacturing Technique
Cold forging / CNC Machined / Hot forging
SUS 904L Screws Thread Pitch
Coarse Threads / Fine Threads
904L Stainless steel fasteners Finish
Passivation / Phosphating / HDG
EN 1.4539 Bolt Drive Style
- Hex
- Oval
- Cross
- Round
- Pan
- Truss
- Torx
UNS N08904 hex head bolts Head Types
- Hex washer head
- Slotted hex washer
- Phillips Drive
- Socket cap head
- Button head
- Slotted Drive
- Flat
ASTM B625 Type 904L screws Thread Class
- Class 3A (Tight fit)
- 3G
- Class 1A (Loose fit)
- 2G
- 5 ONF
- Class 2A (Medium fit)
- 4G
Packaging
- Carton Box
- Blister Packs
- Wooden Pallet
- Wooden Cases
Certificate
- EN 10204/3.1B
- UT and PMI Test
- 100% Radiography Test
- Raw Materials Certificate
Value Added Services
- Laser Etching
- Head Shank Drilling
- Color Coding
- Head Painting
ASTM B625 Type 904L Bolts Manufacturing Range
| Diameter | Length | Thread Types | Head Styles | Standards |
|---|---|---|---|---|
| M1 to M152 | Up to 1000 mm | UNC UNF UNEF BSW Coarse Fine |
Hex Heavy hex Allen Square Eye Shoulder |
ASTM A276 ASTM A479 ASTM B625 |
As a stainless steel 904L fasteners manufacturer in India, Fasteners Online produces every piece in house with strict quality checks at each stage, from raw material inspection to final dispatch. As an established SS 904L fasteners supplier in Mumbai, we dispatch material regularly to clients across Gujarat, Pune, Chennai, and other industrial hubs in India.
Buy stainless steel 904l hex head bolt at factory price, View composition and machinability of SUS 904L Allen Cap Screw
Stainless steel 904L Fasteners Price list
| Product | Price in USD (100 Pcs) |
Price in Dirham (100 Pcs) |
Price in Euro (100 Pcs) |
|---|---|---|---|
| AISI 904L Hex Bolt, M3 X 12 | US $14.08 | 51.72 AED | € 12.49 |
| M24 Stainless steel 904L Hex Nuts | US $247.89 | 910.44 AED | € 219.85 |
| M10 Form A Flat Washer, 904L SS | US $21.05 | 77.32 AED | € 18.67 |
| SS 904L Threaded Rod, M8 x 1 Metre | US $539.62 | 1981.94 AED | € 478.59 |
If you are looking to buy SS 904L fasteners in custom sizes mail us your requirements on [email protected]. We are Stockist and Supplier of Stainless steel 904L fasteners which are manufactured using cold forging or hot forging technique.
ASTM B625 UNS N08904 Screws Chemical composition
Carbon
0.02
Silicon
1
Manganese
2
Phosphorus
0.045
Chromium
19.0 To 23.0
Sulfur
0.035
Nickel
23 To 28
Molybdenum
4 - 5
Copper
1 To 2
904L SS Studs Mechanical properties
Tensile Strength
490 MPa
Yield Strength
220 MPa
Elongation
36
Hardness
70-90 HRB
Type 904L Stainless Steel Washer equivalent
| Grade | SS | UNS No | Euronorm | Old British | ||
|---|---|---|---|---|---|---|
| No | Name | BS | En | |||
| 904L | 2562 | N08904 | 1.4539 | X1NiCrMoCuN25-20-5 | 904S13 | - |
Stainless steel 904L hex head bolt Physical properties
| Grade | Specific Heat 0-100°C (J/kg.K) |
Elastic Modulus (GPa) |
Thermal Conductivity (W/m.K) |
Mean Co-eff of Thermal Expansion (µm/m/°C) | Density (kg/m3) |
Elec Resistivity (nΩ.m) |
|||
|---|---|---|---|---|---|---|---|---|---|
| At 20°C | At 500°C | 0-100°C | 0-315°C | 0-538°C | |||||
| 904L | 500 | 190 | 11.5 | - | 15 | - | - | 7900 | 952 |
When you buy UNS N08904 bolts and nuts at factory price directly from us, you get better value, faster response, and full documentation, without going through a trader. We handle both small project requirements and large bulk orders with the same turnaround commitment.
Refer 904L SS hex bolt dimensions and weight, View torque chart of ASTM B625 Type 904L Nut
Dimensions of DIN 1.4539 Stud bolt
| Nominal Size | Dia, D | Threads Per Inch | ||
| 8UN | UNC | UNF | ||
| 1/4 | 0.25 | - | 20 | 28 |
| 5/16 | 0.3125 | - | 18 | 2424 |
| 3/8 | 0.375 | - | 16 | 20 |
| 7/16 | 0.4375 | - | 14 | 20 |
| 1/2 | 0.5 | - | 13 | 1816 |
| 9/16 | 0.5625 | - | 12 | 14 |
| 5/8 | 0.625 | - | 11 | 12 |
| 3/4 | 0.75 | - | 10 | 12 |
| 7/8 | 0.875 | - | 9 | 12 |
| 1 | 1 | - | 8 | 12 |
| 1 1/8 | 1.125 | 8 | 7 | 12 |
| 1 1/4 | 1.25 | 8 | 7 | - |
| 1 3/8 | 1.375 | 8 | 6 | - |
| 1 1/2 | 1.5 | 8 | 6 | - |
| 1 5/8 | 1.625 | 8 | - | - |
| 1 3/4 | 1.75 | 8 | 5 | - |
| 1 7/8 | 1.875 | 8 | - | - |
| 2 | 2 | 8 | 4 1/2 | - |
| 2 1/4 | 2.25 | 8 | 4 1/2 | - |
| 2 1/2 | 2.5 | 8 | 4 | - |
| 2 3/4 | 2.75 | 8 | 4 | - |
| 3 | 3 | 8 | 4 | - |
| 3 1/4 | 3.25 | 8 | 4 | - |
| 3 1/2 | 3.5 | 8 | 4 | - |
| 3 3/4 | 3.75 | 8 | 4 | - |
| 4 | 4 | 8 | 4 | - |
| Screw Size | Nearest Fraction | Metric Equivalent |
|---|---|---|
| #0 | 1/16" | 1.52 mm |
| #1 | 5/64" | 1.85 mm |
| #2 | 3/32" | 2.18 mm |
| #3 | 7/64" | 2.51 mm |
| #4 | 7/64" | 2.84 mm |
| #5 | 1/8" | 3.18 mm |
| #6 | 9/64" | 3.51 mm |
| #8 | 5/32" | 4.17 mm |
| #10 | 3/16" | 4.83 mm |
| #12 | 7/32" | 5.49 mm |
| #14 | 1/4" | 6.35 mm |
| Size | Square | Finished Hex | Finished Jam | Heavy Square | Heavy Hex | Heavy Hex Jam |
|---|---|---|---|---|---|---|
| 1/2" | 5.78 | 3.75 | 2.62 | 7.87 | 6.54 | 4 |
| 5/8" | 10.8 | 7.33 | 4.93 | 14.3 | 11.9 | 6.96 |
| 3/4" | 15.4 | 11.9 | 7.7 | 23.5 | 19.3 | 11 |
| 7/8" | 24.5 | 19 | 12 | 36.2 | 29.7 | 16.7 |
| 1" | 36.3 | 28.3 | 17.6 | 51.5 | 42.5 | 23.5 |
| 11/8" | 52.5 | 40.3 | 24.7 | 72.4 | 59.2 | 32.4 |
| 11/4" | 70.6 | 54.3 | 36.1 | 95.5 | 78.6 | 45.8 |
| 13/8" | 94.5 | 73 | 47.9 | 125 | 102 | 59.3 |
| 11/2" | 122 | 94.3 | 60.9 | 161 | 131 | 74.8 |
| 15/8" | - | - | - | - | 162 | 91.6 |
| 13/4" | - | 151 | 100 | - | 204 | 114 |
| 17/8" | - | - | - | - | 241 | 134 |
| 2" | - | 224 | 140 | - | 299 | 165 |
| 21/4" | - | - | - | - | 419 | 227 |
| 21/2" | - | - | - | - | 564 | 332 |
| 23/4" | - | - | - | - | 738 | 429 |
| 3" | - | - | - | - | 950 | 545 |
| 31/4" | - | - | - | - | 1194 | 651 |
| 31/2" | - | - | - | - | 1526 | 851 |
| 33/4" | - | - | - | - | 1812 | 1005 |
We stock ASTM B625 stainless steel 904L fasteners for sale in a wide size range, with EN 10204 3.1B certificates and PMI test reports available on request.
Torque Chart of AISI 904L Bolts
| Size Inches or # | Threads Per Inch | in Inch-Pounds Standard Dry Torque | |
|---|---|---|---|
| - | - | ||
| #2 | 56 | 2.5 | 2.6 |
| 64 | 3 | 3.2 | |
| #3 | 48 | 3.9 | 4 |
| 56 | 4.4 | 4.6 | |
| #4 | 40 | 5.2 | 5.5 |
| 48 | 6.6 | 6.9 | |
| #5 | 40 | 7.7 | 8.1 |
| 44 | 9.4 | 9.8 | |
| #6 | 32 | 9.6 | 10.1 |
| 40 | 12.1 | 12.7 | |
| #8 | 32 | 19.8 | 20.7 |
| 36 | 22 | 23 | |
| #10 | 24 | 22.8 | 23.8 |
| 32 | 31.7 | 33.1 |
Heat Treatment of UNS N08904 Marine Fasteners
| Heat Treatment | 1090 to 1175°C |
|---|
904L Stainless Steel Stud Bolts can withstand moderate to high corrosion resistance, Stockist of EN 1.4539 Washers
Alloy 904L Threaded Rod Corrosion Resistance
| Environment | Performance |
|---|---|
| Chloride-rich | Excellent resistance to pitting corrosion |
| Sulfuric acid | Very good resistance |
| Hydrochloric acid | Limited resistance |
| Phosphoric acid | Superior resistance |
| Organic acids | Excellent performance |
| Seawater | Good resistance |
SS 904L fasteners for chemical and marine industry applications need to hold up against sulphuric acid, phosphoric acid, seawater, and chloride-heavy environments.
Manufacturing Process of 904L stainless steel fasteners
904l bolts and ASTM B625 UNS N08904 Grub Screws can withstand warm seawater and chloride attack
Application of AISI 904L Hex Head Screws
Types of Stainless Steel 904L Bolts
Stainless steel 904L eye bolts
904L SS hex bolts
SS 904L heavy hex bolt
AISI 904L anchor bolts
ASTM B625 Type 904L square bolts
904L Stainless Steel bolts
Types of Stainless Steel 904L Nuts
Type 904L Stainless Steel lock nut
Alloy 904L flange lock nut
ASTM B625 UNS N08904 hex nuts
UNS N08904 square nut
DIN 1.4539 nuts
SUS 904L heavy hex nuts
Types of Stainless Steel 904L Screws
UNS N08904 machine screws
SS 904L hex cap screws
Type 904L SS self tapping screws
AISI 904L socket cap screws
EN 1.4539 socket head cap screw
Type 904L SS screw
Stainless steel 904L wood screws
ASTM B625 UNS N08904 self drilling screws
Types of Stainless Steel 904L Washers
AISI 904L countersunk washer
DIN 1.4539 flat washer
ASTM B625 Type 904L washer
SS 904L plain washer
Types of Stainless Steel 904L Studs
Type 904L Stainless Steel threaded rod
EN 1.4539 studs
Alloy 904L double end stud bolts
SUS 904L stud bolt
904L Stainless Steel fully threaded studs
904L SS threaded stud
Check delivery time of 904L bolts in below countries
| City or Port | Country | Time |
|---|---|---|
| Hamburg | Germany | 24–30 days |
| Valencia | Spain | 24–30 days |
| Piraeus | Greece | 18–24 days |
| Jebel Ali | UAE | 4–7 days |
| Dammam | Saudi Arabia | 7–10 days |
| Port Klang | Malaysia | 7–10 days |
| Durban | South Africa | 18–24 days |
| Mombasa | Kenya | 14–20 days |
| Santos | Brazil | 30–40 days |
FAQs
No, stainless steel 904L is non magnetic in its annealed condition.
They can withstand temperatures up to 1040°C, with a melting point range of 1350 to 1400°C.
We typically deliver to Jebel Ali in 4 to 7 days and Dammam in 7 to 10 days from our Mumbai facility.
Yes, 904L Bolts performs well in seawater and warm chloride environments making it suitable for marine use.
We offer passivation, phosphating, and HDG finish options depending on your application.
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