Marzouk Steel, headquartered in Tunis, Tunisia, is a leading manufacturer and supplier of premium steel products, serving industries that require strength, precision, and durability. Among its specialized offerings are Alloy Steel GR 10.9 Washers, designed for high-strength fastening applications in demanding mechanical and industrial environments. Manufactured using advanced technology and strict quality control, GR 10.9 washers provide exceptional hardness, tensile strength, and corrosion resistance. Marzouk Steel ensures that every GR 10.9 washer meets international standards, offering engineers and fabricators reliable solutions for automotive assemblies, heavy machinery, construction equipment, petrochemical plants, and industrial piping systems.
Alloy Steel GR 10.9 Washers are made from high-grade alloy steel, engineered for superior tensile strength, hardness, and wear resistance. Their chemical composition, typically including carbon, manganese, and chromium, enhances toughness, fatigue resistance, and corrosion protection. These washers undergo precise heat treatment to optimize mechanical properties such as yield strength, tensile strength, and impact resistance. GR 10.9 washers are ideal for applications requiring secure, long-lasting connections under high mechanical stress, vibration, and temperature variations, ensuring consistent performance in critical industrial and mechanical operations.
| Specifications | : | ASTM A 194 ASME SA 194 |
| Standard | : | IS, ASTM, BS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | : | Flat Washer, Lock Washer, Sealing Washer, Split Washer, Slot Washer, Machine Washer, Star Washer SPRINGS – Wire Spring & Flat Spring. |
| Alloy Steel GR 10.9 | C | Mn | P | S | Si | Mo | Cr |
| 0.37-0.49% | 0.65-1.10% | 0.04% | 0.04% | 0.15-0.035% | 0.15-0.25% | 0.75-1.20% |
| Grade | Size | Tensile ksi, min | Yield, ksi, min | Elong, %, min | RA % min |
|---|---|---|---|---|---|
| 10.9 | Up to 2-1/2 | 125 | 105 | 16 | 50 |
| 2-5/8 – 4 | 115 | 95 | 16 | 50 | |
| 4-1/8 – 7 | 100 | 75 | 18 | 50 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Alloy Steel GR 10.9 Washers are widely used in industries requiring durable, high-strength fastening solutions. They are commonly applied in automotive assemblies, heavy machinery, turbines, petrochemical plants, oil and gas equipment, and construction machinery. Designed to distribute load, prevent loosening, and enhance joint stability, GR 10.9 washers maintain secure connections under high stress, vibration, and thermal cycling. Engineers and fabricators rely on these washers for critical applications where safety, durability, and operational efficiency are essential. Their combination of hardness, tensile strength, and corrosion resistance ensures dependable performance in demanding industrial environments.
Marzouk Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Tunis, Tunisia.
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