Why Desalination & Offshore Buyers Trust Ganpat Industrial For SMO 254 Washers?
6% Molybdenum Heats
Super-austenitic UNS S31254 — built for brine, not just chlorides
PREN ≥ 43 Guaranteed
Nearly double the pitting resistance of standard 316L washers
Mill Test Certificate 3.1
Every heat traceable, EN 10204 3.1 issued as standard
Seawater & FGD Proven
Trusted on desalination, offshore and flue-gas duty for 15+ years
Quote In 24 Hours
Bulk & drawing-based orders dispatched from Mumbai stock
SMO 254 Washers Abstract
- 1Types: Flat, Star, Conical, Lock, Tab, Sealing, Countersunk, Split, Square, Ogee, Machine, Spring, Slot
- 2Size Range: M03 to M22 • OD 3 mm to 200 mm
- 3Grade Names: UNS S31254, 254 SMO, DIN 1.4547, Werkstoff Nr. 1.4547, 6Mo
- 4Customization: Available in custom sizes, dimensions and configurations as per requirements
- 5PREN Value: ≈ 43 • Non-Magnetic • Superior to Duplex 2205
- 6Finish: Bright Annealed, Pickled & Passivated, Polished
Or call our Mumbai office: +91 22 6743 7134 • Same-week dispatch on ready stock sizes
SMO 254 Washers are designed for tough environments beyond standard 316L. They perform especially well in seawater, brine, and chemical applications. High molybdenum and nitrogen content provide excellent pitting resistance corrosion. Ganpat Industrial manufactures ASTM B366 SMO 254 Washers with tested quality. Also, we supply them across India, UAE, and the Middle East.
Mumbai · SMO 254 Washers Manufacturer India
SMO 254 Washers Engineered for Strength in Harsh Conditions
Ganpat Industrial forges DIN 1.4547 Lock Washers for reliable, long lasting performance in seawater, brine, and harsh chemical environments.
- ✓Precision Manufacturing
- ✓ISO 9001:2015
- ✓Reliable Global Supply
- ✓PED Certified
ASTM B366 SMO 254 Flat Washer Manufacturer in India With Custom Specifications
SMO 254 Washers Specification
SMO 254 Flat Washer Material
- UNS S31254
- DIN 1.4547
- Werkstoff Nr. 1.4547
- ASTM B366 SMO 254
SMO UNS S31254 Conical Washer Size Range
- ID: M3 – M64
- OD: 7 – 115 mm
- Thickness: 0.5 – 8 mm
- Custom sizes on drawing
ASTM B366 SMO 254 Tab Washer Documentation
- Mill Test Certificate 3.1
- NABL Lab Report
- Packing List
- Certificate Of Origin
254 SMO Lock Washer Testing
- PMI Testing
- Intergranular Corrosion Test
- Dimensional Check
- Third-Party Inspection
SMO WERKSTOFF NR. 1.4547 Sealing Washer Finish
- Bright Annealed
- Pickled & Passivated
- Polished
- Natural Mill Finish
ASME SB 366 SMO 254 Ogee Washer Origin
- Indian Origin
- European Origin
- Heat-Number Traceable
- Batch-Wise MTC
Get SMO DIN 1.4547 Countersunk Washer With Precise Dimensions And Various Types
Dimensions of SMO DIN 1.4547 Countersunk Washer
| Washer Size | Inner Dia, Basic [in] | Primary Diameter [in] | Outer Dia, Basic [in] | Washer Thickness, Basic [in] |
|---|---|---|---|---|
| 1-7/8″ | 2.000 | 1.8750 | 4.250 | 0.180 |
| 1/4″ | 0.312 | 0.2500 | 0.734 | 0.065 |
| 5/16″ | 0.344 | 0.3125 | 0.688 | 0.065 |
| 3/8″ | 0.406 | 0.3750 | 0.812 | 0.065 |
| 1″ | 1.062 | 1.0000 | 2.000 | 0.134 |
| 7/16″ | 0.469 | 0.4375 | 0.922 | 0.065 |
| 1/2″ | 0.531 | 0.5000 | 1.062 | 0.095 |
| 5/8″ | 0.656 | 0.6250 | 1.312 | 0.095 |
| 3/4″ | 0.812 | 0.7500 | 1.469 | 0.134 |
| 7/8″ | 0.938 | 0.8750 | 2.250 | 0.165 |
| 1-1/8″ | 1.250 | 1.1250 | 2.250 | 0.134 |
| 1-1/4″ | 1.375 | 1.2500 | 2.500 | 0.165 |
| 1-3/8″ | 1.500 | 1.3750 | 2.750 | 0.165 |
| 1-1/2″ | 1.625 | 1.5000 | 3.000 | 0.165 |
| 9/16″ | 0.594 | 0.5625 | 1.156 | 0.095 |
| 1-5/8″ | 1.750 | 1.6250 | 3.750 | 0.180 |
| 2″ | 2.125 | 2.0000 | 4.500 | 0.180 |
| 1-3/4″ | 1.875 | 1.7500 | 4.000 | 0.180 |
Assorted Types of 254 SMO Washers
Get SMO 254 Washers Supplier in India offering distinct types with superior quality.
SMO 254 Flat Washer
DIN 125A
SMO UNS S31254 Star Washer
DIN 6797
254 SMO Conical Washer
DIN 6796
SMO DIN 1.4547 Lock Washer
DIN 127B
ASME SB 366 SMO 254 Tab Washer
Custom Drawing
254 SMO Countersunk Washer
DIN 6917
SMO WERKSTOFF NR. 1.4547 Split Washer
DIN 127A
ASTM B366 SMO 254 Ogee Washer
Cast Pattern
Looking for SMO 254 Sealing Washer with Quick Availability?Share size & quantity – get factory price with MTC 3.1 in 24 hours.
ASTM B366 SMO 254 Ogee Washers Surface Coatings
Chrome Plating
Bright, hard, low-friction wear-resistant layer
Epoxy Coating
Thick barrier film resisting abrasion & impact
Zinc Plating
Sacrificial galvanic protection, economical finish
Electro Polished
Removes micro-burrs, boosts chloride resistance
Mirror Buffed
High-reflectivity, easy-clean cosmetic finish
Teflon Coating
Non-stick PTFE layer for anti-galling threads
Weight Chart of SMO WERKSTOFF NR. 1.4547 Spring Washer
| NOM SIZE | Inner Dia (d) Basic Tol (+) | Outer Dia (d1) Max | WIDTH (b) Basic Tol (+ or -) | THICKNESS (S) Basic Tol (+ or -) | Weight per 1000 in Kgs | |||
|---|---|---|---|---|---|---|---|---|
| 3 | 3.1 | 0.3 | 6.2 | 1.3 | 0.1 | 0.8 | 0.1 | 0.11 |
| 12 | 12.2 | 0.5 | 21.1 | 4 | 0.2 | 2.5 | 0.15 | 3.82 |
| 30 | 30.5 | 1.2 | 48.2 | 8 | 0.25 | 6 | 0.2 | 44.30 |
| 4 | 4.1 | 0.3 | 7.6 | 1.5 | 0.1 | 0.9 | 0.1 | 0.18 |
| 27 | 27.5 | 1 | 43 | 7 | 0.25 | 5 | 0.2 | 28.70 |
| 5 | 5.1 | 0.3 | 9.2 | 1.8 | 0.1 | 1.2 | 0.1 | 0.36 |
| 10 | 10.2 | 0.5 | 18.1 | 3.5 | 0.2 | 2.2 | 0.15 | 2.53 |
| 14 | 14.2 | 0.5 | 24.1 | 4.5 | 0.2 | 3 | 0.15 | 6.01 |
| 20 | 20.2 | 1 | 33.6 | 6 | 0.2 | 4 | 0.2 | 15.20 |
| 16 | 16.2 | 0.8 | 27.4 | 5 | 0.2 | 3.5 | 0.2 | 8.91 |
| 18 | 18.2 | 0.8 | 29.4 | 5 | 0.2 | 3.5 | 0.2 | 9.73 |
| 22 | 22.5 | 1 | 35.9 | 6 | 0.2 | 4 | 0.2 | 16.50 |
| 8 | 8.1 | 0.4 | 14.8 | 3 | 0.15 | 2 | 0.1 | 1.60 |
| 24 | 24.5 | 1 | 40 | 7 | 0.25 | 5 | 0.2 | 26.20 |
| 6 | 6.1 | 0.4 | 11.8 | 2.5 | 0.15 | 1.6 | 0.1 | 0.83 |
Applications of ASTM B366 SMO 254 Machine Washer
Find SMO 254 Washers Supplier In India offering versatile applications for industrial needs.
Seawater Desalination Plants
Offshore Oil & Gas Platforms
Sulfuric & Phosphoric Acid Plants
Pulp & Paper Bleach Plants
Flue Gas Desulfurization (FGD)
Marine & Shipbuilding Hardware
Seawater Pump & Valve Assembly
Chemical Process Skids
Monthly Delivery of 254 SMO Slot Washer in Below Countries
| Export to | Continent | Shipping time |
|---|---|---|
 Indonesia |
Asia | 9 Days |
 Philippines |
Asia | 14 Days |
 Spain |
Europe | 30 Days |
 Germany |
Europe | 20 Days |
Chemical Composition of 254 SMO Slot Washer
ChromiumCr
19.50–20.50%
NickelNi
17.50–18.50%
MolybdenumMo
6.00–6.50%
CopperCu
0.50–1.00%
NitrogenN
0.18–0.22%
CarbonC
≤ 0.020%
IronFe
Balance
SMO DIN 1.4547 Star Washer Mechanical Properties
Tensile Strength
650 MPa Min
ASTM B366
Yield Strength
300 MPa Min
0.2% Proof Stress
Hardness
≤ 223 HB
96 HRB Max
Elongation
35% Min
In 50 mm Gauge
Equivalent of SMO UNS S31254 Square Washer
American Standard
- UNS S31254
- ASTM B366 SMO 254
- ASME SB 366
European Standard
- SMO DIN 1.4547
- SMO WERKSTOFF NR. 1.4547
- EN 10088-3
Trade & Common Names
- 254 SMO
- Alloy 254 / 6Mo
- Super Austenitic 20Cr
SMO DIN 1.4547 Machine Washer PriceQuoted per piece or per kg, factory-direct, no trader markup.
Testing Methods of ASME SB 366 SMO 254 Lock Washer
Find SMO 254 Washers Manufacturer in India providing verified testing methods with quality assurance.
PMI Testing
Positive Material Identification on every heat
Dimensional Inspection
OD, ID, thickness & surface checked per lot
Intergranular Corrosion Testing
ASTM A262 practice check on passivated batches
SMO 254 Conical Washer Packaging Methods
Poly Bag & Carton
Standard retail-ready packing for trial orders
Wooden Pallet Box
For container-load shipments
VCI Moisture Barrier Pack
Prevents surface staining on long sea-transit
Custom Labelling
Heat number marked per buyer requirement
254 SMO Split Washer Delivered Weekly to the Following Countries
| Export to | Continent | Shipping Time |
|---|---|---|
 Oman |
Asia | 5 Days |
 USA |
North America | 40-60 Days |
 UAE |
Asia | 5 Days |
 Italy |
Europe | 30 Days |
Frequently Asked Questions
Is an SMO DIN 1.4547 Machine Washer magnetic?
It is essentially non-magnetic in the annealed condition.
What makes SMO 254 different from SS 316L?
Roughly double the molybdenum and higher nickel give SMO 254 far greater resistance to pitting and crevice corrosion.
Can 254 SMO Countersunk Washer be used in desalination plants?
Yes, SMO 254 is one of the standard grades specified for seawater desalination.
Associate Traders and Importers Available in Below Locations For Quick Deliveries
| Continents | Country |
|---|---|
| South Carolina | USA |
| West Africa | Nigeria, Ghana, Senegal |
| North America | USA, Canada, Mexico |
| East Africa | Kenya, Ethiopia, Tanzania |
| North Africa | Egypt, Morocco, Algeria |
| Middle East | Saudi Arabia, Iran, Iraq |
| South Asia | India, Pakistan, Bangladesh |
| East Asia | China, Japan, South Korea |
| South America | Brazil, Argentina, Colombia |
| Melanesia | Fiji, Papua New Guinea |
6 Reasons to choose Ganpat Industrial Corporation
- Distributor of Heat Exchanger parts and Alloys for High Temperature applications.
- Stockholder and importer of Ferrous and non ferrous metals.
- Wide stock of prime quality austenitic and Ferritic Stainless Steel for Extreme pressure environment.
- Marine grade steel at lowest price in Mumbai.
- Compare Price per KG in India and China.
- Offer Resale price to local suppliers, traders and wholesalers in UAE, Saudi Arabia, Egypt, and USA