Repsol Steel LLP is a trusted industrial washer supplier for buyers across the USA, Europe, Africa, Mexico, and Oman. We supply a comprehensive range of industrial washers — including flat washers, spring washers, lock washers, hardened washers, and spherical washers — in stainless steel, carbon steel, alloy steel, and exotic alloys for Oil & Gas, petrochemical, refinery, structural, and industrial applications.
With over 25 years of combined industry experience and a proven export network, we serve EPC contractors, procurement teams, maintenance engineers, and fabrication units worldwide. Every industrial washer we supply complies with ASTM F436, ASTM A193, ASME B18.22.1, DIN 125, DIN 127, and DIN 6917 standards, with full material traceability, mechanical test reports, and documentation that meets the requirements of projects in the USA, Europe, Africa, Mexico, and Oman.
Whether you require standard SS316 flat washers for a petrochemical plant in Europe, ASTM F436 hardened washers for a structural project in the USA, or spring washers for a vibrating equipment foundation in Africa or Oman — Repsol Steel LLP delivers the right industrial washer solution, on time, with complete export documentation.
A complete industrial washer portfolio covering flat washers, spring washers, lock washers, hardened washers, and spherical washers — engineered for load distribution, vibration resistance, and reliable bolting across global markets.
The most common industrial washers for load distribution and surface protection. Flat washers are used under bolt heads and nuts to distribute load over a larger area and prevent surface damage.
Compliance: ASME B18.22.1, DIN 125
Materials: SS304, SS316, Carbon Steel
Size Range: ¼" to 4"
Heat-treated hardened washers for high-strength structural bolting. ASTM F436 washers are used with A325 and A490 structural bolts for steel-to-steel connections.
Compliance: ASTM F436
Materials: Carbon Steel, Alloy Steel
Size Range: ½" to 4"
Split spring washers for vibration resistance and bolt tension maintenance. Spring washers are used in applications subject to vibration, thermal cycling, or dynamic loads.
Compliance: DIN 127, ASME B18.21.1
Materials: SS304, SS316, Carbon Steel
Size Range: ¼" to 4"
Heavy-duty lock washers for structural bolting applications. DIN 6917 lock washers are used with HV and HR bolting systems in European structural steelwork.
Compliance: DIN 6917, DIN 6918
Materials: Carbon Steel, Alloy Steel
Size Range: M12 to M36
Spherical washers for use with uneven or non-parallel surfaces. Spherical washers provide uniform load distribution even when flange faces are not perfectly parallel.
Compliance: DIN 6319
Materials: Carbon Steel, SS304, SS316
Size Range: ½" to 4"
Non-standard sizes, thicknesses, and configurations supplied to your drawings and project specifications — including square washers, taper washers, and specialty washers.
Options: Custom sizes, exotic alloys, coatings
Supply: Based on drawings or equipment specifications
Industrial washers are supplied in different materials and grades to suit specific pressure, temperature, and application requirements. The material grade determines the mechanical strength, corrosion resistance, and temperature capability of the washer. We supply industrial washers in the following materials and grades:
All industrial washers we supply are accompanied by Material Test Certificates (MTC) confirming the exact grade, mechanical properties, and heat number — ensuring full traceability and compliance with international project specifications.
| Parameter | Specification |
|---|---|
| Washer Types | Flat Washers, Hardened Washers, Spring Washers, Lock Washers, Spherical Washers, Square Washers, Taper Washers |
| Materials | Stainless Steel (SS304, SS316, SS321), Carbon Steel, Alloy Steel (B7, B7M, B16), Exotic Alloys (Monel, Inconel, Hastelloy, Duplex) |
| Size Range (Imperial) | ¼" to 4" standard; larger sizes available on request |
| Size Range (Metric) | M6 to M100 standard; larger sizes available on request |
| Thickness Range | 1.5 mm to 12 mm standard; thicker available on request |
| Coatings | Plain, Zinc Plated, Hot-Dip Galvanized, Xylan, PTFE, Cadmium, Dacromet, Geomet |
| Standards Compliance | ASTM F436, ASTM A193, ASME B18.22.1, ASME B18.21.1, DIN 125, DIN 127, DIN 6917, DIN 6918, DIN 6319 |
| Export Documentation | Commercial Invoice, Packing List, Bill of Lading, Certificate of Origin, MTC (EN 10204 3.1) |
| Inspection Options | Third-party inspection (SGS, BV, TUV, Intertek) available on request |
| Additional Documentation | Hardness test reports, NACE compliance, H2S service documentation available on request |
Correct industrial washer selection is critical to ensuring reliable bolting performance, load distribution, and long-term operational safety. The washer type, material, and coating must be matched to the application. Our technical team recommends evaluating four key factors before finalizing an industrial washer:
If you are unsure which industrial washer specification best suits your application, our technical team is available to review your bolt specifications, flange drawings, and project requirements — and recommend the most suitable industrial washer solution.
We specialize in industrial washer supply — offering flat, hardened, spring, lock, spherical, square, and taper washers in stainless steel, carbon steel, alloy steel, and exotic alloys. All washers are manufactured to ASTM, ASME, and DIN standards.
We supply industrial washers in all major types — flat, hardened, spring, lock, and spherical — from ¼" to 4" (M6 to M100) as standard, with larger sizes, custom thicknesses, and specialty configurations on request.
Every industrial washer batch is backed by Material Test Certificates (MTC) and hardness test reports, and can be supplied with NACE compliance documentation, dimensional inspection reports, and third-party certification on request.
Non-standard sizes, thicknesses, materials, and washer configurations are manufactured according to drawings, equipment specifications, and project requirements — with quick turnaround times.
We supply industrial washers to clients in the USA, Europe, Africa, Mexico, and Oman — with packaging, documentation, and compliance structured for international procurement.
Our experienced technical team assists with industrial washer selection, material and grade recommendations, and installation guidance. Post-supply support includes documentation follow-up and replacement coordination.
Repsol Steel LLP supplies industrial washers to a wide range of process industries across USA, Europe, Africa, Mexico, and Oman — where reliable load distribution and vibration resistance are essential.
Industrial washers supplied for wellhead equipment, Christmas trees, pipeline flanges, and high-pressure process piping in upstream, midstream, and downstream operations.
Bolting solutions supplied for reactors, heat exchangers, process piping, and storage systems handling hydrocarbons at high pressures and temperatures.
ASTM F436 hardened washers supplied for steel-to-steel connections in bridges, buildings, industrial structures, and infrastructure projects.
High-temperature washers supplied for boilers, steam systems, turbine connections, and high-pressure auxiliary piping in thermal and nuclear power plants.
SS316 and exotic alloy washers supplied for aggressive chemical and corrosive media applications in reactors, storage tanks, and process equipment.
Industrial washers supplied to fabrication units and EPC contractors for piping spools, skids, modular structures, and industrial assemblies.
Repsol Steel LLP is recognized as a reliable industrial washer supplier for international procurement teams, EPC contractors, and maintenance projects. Our export documentation, packaging, and standard compliance are structured for smooth cross-border supply to buyers in the USA, Europe, Africa, Mexico, and Oman — ensuring your industrial washers arrive on time, in specification, and ready for installation.
USA: Industrial washer supply for Oil & Gas, petrochemical & structural projects
Europe: Industrial washers for construction, refinery & process industries
Africa: Industrial washers for infrastructure, refinery & power projects
Mexico: Industrial washer supply for chemical plants, refinery & automotive projects
Oman: Industrial washers for Oil & Gas, construction & power projects
All industrial washers are supplied with material certificates, hardness test reports, and third-party certification as required by project specifications.
We supply flat washers, hardened washers (ASTM F436), spring washers, lock washers (DIN 6917), spherical washers, square washers, taper washers, and custom industrial washers in stainless steel, carbon steel, alloy steel, and exotic alloys.
We supply industrial washers in stainless steel (SS304, SS316, SS321), carbon steel, alloy steel (B7, B7M, B16), and exotic alloys (Monel, Inconel, Hastelloy, Duplex) — selected based on operating pressure, temperature, and media compatibility.
Flat washers distribute load and protect surfaces. Spring washers provide vibration resistance and maintain bolt tension. Lock washers (DIN 6917) are heavy-duty washers used with HV/HR bolting systems in structural steelwork.
We supply industrial washers primarily to the USA, Europe, Africa, Mexico, and Oman, serving Oil & Gas, petrochemical, structural, power, subsea, and chemical processing projects in these regions.
Yes. We offer custom sizes, thicknesses, materials, coatings, and washer configurations based on drawings, equipment specifications, and project requirements — with quick turnaround times for export orders.
Send us your washer specifications, material requirements, or drawings. Our export team will respond within 24 hours with a tailored quotation.
Repsol Steel LLP is a leading manufacturer and stockholder of high-quality piping products, serving the Oil, Gas, Petrochemical, and Nuclear industries with reliable engineering solutions.
Repsol Steels LLP Team Is Here to Help
Looking for reliable pipes, fittings, flanges, valves or other industrial piping products? Share your requirement and our team will help you find the right product, material and specification.