Marzouk Steel, headquartered in Tunis, Tunisia, is a trusted manufacturer and supplier of premium steel products, catering to industries that demand strength, precision, and durability. Among its specialized offerings are Alloy Steel GR 8.8 Washers, engineered for high-strength fastening applications in demanding mechanical and industrial environments. Manufactured using advanced technology and strict quality control, GR 8.8 washers provide exceptional hardness, tensile strength, and corrosion resistance. Marzouk Steel ensures that every GR 8.8 washer meets international standards, offering engineers and fabricators reliable solutions for construction equipment, automotive assemblies, heavy machinery, petrochemical plants, and industrial piping systems.
Alloy Steel GR 8.8 Washers are made from high-grade alloy steel, engineered for superior tensile strength, hardness, and wear resistance. Their chemical composition, 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 8.8 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 applications.
| 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 8.8 | C | Mn | P | S | Si | Ni | Cr |
| 0.40% min | 1.00% max | 0.040% | 0.050% | 0.40% max | – | – |
| Specification | Material | Nominal Size, In. | Tempering Temp. °F | Proof Load Stress, ksi | Hardness Rockwell | See Note | |
|---|---|---|---|---|---|---|---|
| Min | Max | ||||||
| ASTM A194 Grade 8.8 | Medium Carbon Steel, Quenched and Tempered | 1/4 – 4 | 1000 | 150 | 159 | 237 | 1,2,3 |
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 8.8 Washers are widely used in industries that require durable and reliable fastening solutions. They are commonly applied in construction machinery, automotive assemblies, turbines, petrochemical plants, oil and gas equipment, and heavy industrial machinery. Designed to distribute load, prevent loosening, and enhance joint stability, GR 8.8 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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