Table of Contents
- SS 410 Washers Overview
- SS 410 Washers Specifications
- SS 410 Technical Properties & Composition
- SS 410 vs. SS 304
- Why Industries Prefer SS 410 Washers
- Types of SS 410 Washers
- Key Technical Advantages
- Key Applications of SS 410 Washers
- Quality Testing & Inspection
- Global Export Markets
- Frequently Asked Questions
- Contact Aurum Overseas
SS 410 Washers Suppliers & Exporters
Aurum Overseas is a global SS 410 Washers Supplier and SS 410 Washers Exporter, offering high-strength martensitic washers built for heavy load-bearing applications. Manufactured to ASME B18.21.1, DIN 125, and ISO 7089 standards, our UNS S41000 Washers feature 11.5–13.5% chromium with controlled carbon, enabling heat treatment for exceptional hardness and corrosion resistance.
As a trusted SS 410 Washers Exporter, we supply fully certified, precision-stamped washers with fast shipping across North America, Europe, the Middle East, and the Asia-Pacific region.
SS 410 Washers Specifications
| Parameter | Technical Specification / Standard Range |
|---|---|
| Material Grade | Stainless Steel 410 (UNS S41000) |
| UNS Designation | UNS S41000 Washers |
| Werkstoff Number | 1.4006 (X12Cr13) |
| Manufacturing Standards | ASTM A240 / ASME SA240, ASTM F436 |
| Dimensional Specifications | ASME B18.21.1, DIN 125 A/B, DIN 127 B, DIN 9021, ISO 7089, ISO 7090 |
| Washer Types | Plain Flat, Heavy Duty Structural, Hardened Lock, Belleville Washers, Tab Washers |
| Size Range | Imperial: #4 to 4" NB | Metric: M3 to M100 |
| Thickness Range | 0.5 mm to 12 mm (Custom thickness available on order) |
| Hardness Range | Heat Treated / Tempered: Up to 35–45 HRC (Annealed: HRB 95 max / 201 HB max) |
| Surface Finishes | Bright Annealed, Passivated, Quenched & Tempered, Oxide Coated, PTFE Coated |
| Certification | EN 10204 3.1 MTR, PMI Testing Report, Hardness Verification |
SS 410 Technical Properties & Composition
Chemical Composition of UNS S41000 Washers (%)
| Element | SS 410 (UNS S41000) |
|---|---|
| Carbon (C) | 0.15 max |
| Manganese (Mn) | 1.00 max |
| Silicon (Si) | 1.00 max |
| Phosphorus (P) | 0.040 max |
| Sulfur (S) | 0.030 max |
| Chromium (Cr) | 11.50 – 13.50 |
| Nickel (Ni) | 0.75 max |
| Iron (Fe) | Balance |
Mechanical Properties of UNS S41000 Washers
| Property / Parameter | SS 410 (UNS S41000) |
|---|---|
| Tensile Strength (MPa) min | 480 |
| Yield Strength 0.2% Proof (MPa) min | 275 |
| Elongation (% in 50mm) min | 16 |
| Rockwell Hardness B (HR B) max | 95 (Annealed Condition) |
| Brinell Hardness (HB) max | 201 (Annealed Condition) |
| Microstructural Classification | Martensitic (Hardenable by Heat Treatment) |
Equivalent Grades of SS 410 Washers
| Standard / System | SS 410 |
|---|---|
| UNS Designation | S41000 |
| Werkstoff Nr. | 1.4006 |
| Euronorm Name | X12Cr13 |
| JIS Standard | SUS 410 |
SS 410 vs. SS 304
| Feature | SS 410 (UNS S41000) | SS 304 (UNS S30400) |
|---|---|---|
| Alloy Structure | Martensitic (Hardenable) | Austenitic (Non-Hardenable) |
| Heat Treatment Capability | Quenched & Tempered for high mechanical hardness | Solution Annealed only |
| Wear & Abrasion Resistance | Superior surface hardness and galling resistance | Moderate wear capability |
| Magnetic Property | Highly Magnetic in all conditions | Non-Magnetic in annealed state |
| Yield Strength | High yield strength under heavy static loading | Standard structural load capability |
| Primary Advantage | High hardness and high load capacity at lower cost | Higher general corrosion resistance |
Why Industries Prefer SS 410 Washers
High Mechanical Load Capacity: Resists permanent compression, washer cupping, and deformation under extreme structural bolting forces.
Vibration Relaxation Prevention: Maintains continuous clamping force and torque stability in reciprocating machinery subject to heavy mechanical vibration.
Abrasive Wear Protection: Protects joint faces from metal-to-metal galling, surface scarring, and erosion in high-friction installations.
Cost-Effective High Strength: Delivers superior tensile and proof strength performance at a lower cost than high-nickel specialty alloys.
Precision Joint Alignment: Provides smooth, burr-free bearing contact for tight torque control and seamless bolt head seating.
Types of SS 410 Washers
Aurum Overseas supplies a comprehensive range of stainless steel washer configurations manufactured according to standard DIN, ASME, and ISO dimensional tolerances for multiple engineering assemblies.
SS 410 Plain Washers
SS 410 Spring Washers
SS 410 Lock Washers
SS 410 Square Washers
SS 410 Conical Washers
Key Technical Advantages
Hardenable Martensitic Structure
Resists heavy static compressive loads and mechanical wear through heat-treatment options like quenching and tempering.
High Yield & Proof Strength
Prevents plastic deformation and maintains high proof strength under extreme clamping stress.
Ferromagnetic Response
Exhibits strong magnetic permeability, enabling automated magnetic handling and sorting in fast-paced production lines.
Atmospheric Resistance
Resists oxidation, rust, and surface degradation in mild chemical, steam, and fresh water environments.
Impact Stress Resistance
Retains high mechanical toughness and dimensional stability under severe cyclic shock loads.
Key Applications of SS 410 Washers
| Industry Sector | Recommended Grade | Typical Equipment Application | Service Conditions |
|---|---|---|---|
| Pump & Valve Manufacturing | SS 410 / S41000 | Impeller shaft bolted joints, valve trim washers | High fluid velocity, abrasive slurry, mechanical wear |
| Power Generation | SS 410 / S41000 | Steam turbine casing hardware, fan mountings | Moderate thermal cycles, high mechanical vibration |
| Mining & Ore Processing | SS 410 / S41000 | Crusher liner bolts, vibrating screen fastenings | Heavy impact, abrasive dust, extreme compressive load |
| Petroleum Processing | SS 410 / S41000 | Wellhead bolting, sweet gas equipment flanges | Moderate stress, exposure to dry hydrocarbons |
| Automotive & Hardware | SS 410 / S41000 | Brake assembly fasteners, heavy machinery frames | High mechanical shear stress, repetitive shock loads |
Quality Testing & Inspection
As a quality-driven SS 410 Washers Supplier, Aurum Overseas inspects every lot prior to shipment:
- Chemical Composition Analysis: Positive Material Identification (PMI) via XRF testing to verify 11.5–13.5% chromium content.
- Hardness & Tensile Testing: Rockwell B/C hardness checks and tensile verification (480 MPa min) per ASTM A240 and ASTM F436 standards.
- Heat Treatment Audit: Verification of quenching and tempering cycles to ensure uniform grain structure and eliminate internal stress.
- Dimensional Precision: Laser-micrometer measurement of thickness, inner diameter, and outer diameter tolerances conforming to ASME B18.21.1 and DIN 125.
- Full Certification: Supplied with complete EN 10204 3.1 Material Test Reports for full mill heat traceability.
Global Export Markets
Aurum Overseas, a global SS 410 Washers Exporter, supplies certified UNS S41000 Washers to industrial projects worldwide:
USA
Canada
Mexico
Germany
United Kingdom
France
Italy
Netherlands
Norway
UAE
Saudi Arabia
Qatar
Kuwait
Oman
Singapore
Malaysia
Australia
Frequently Asked Questions
SS 410 is a hardenable martensitic stainless steel. Through heat treatment (quenching and tempering), it achieves significantly higher hardness, tensile strength, and wear resistance than 300-series austenitic grades, making it ideal for heavy load bearing.
Yes, UNS S41000 Washers are magnetic in all conditions (both annealed and heat-treated/hardened).
Yes, SS 410 washers can be quenched and tempered after blanking to achieve specific Rockwell hardness ratings (such as 35–45 HRC) required for heavy-duty structural applications.
SS 410 performs best in mild atmospheric conditions, fresh water, steam, petroleum gases, and dry chemical environments where high mechanical strength and wear resistance are primary requirements.
As an experienced SS 410 Washers Supplier, Aurum Overseas manufactures washers in metric and imperial dimensions according to ASME B18.21.1, DIN 125, DIN 127, DIN 9021, ISO 7089, and custom drawings.
Yes, as a leading SS 410 Washers Exporter, every batch includes EN 10204 3.1 Material Test Reports detailing chemical composition, hardness values, and mechanical properties.
Contact Aurum Overseas
Aurum Overseas manufactures and stocks high-performance SS 410 Washers for immediate global dispatch.
Contact our technical sales team for instant pricing, material test reports, and custom size requirements.