| Size | M3 to M20 |
|---|---|
| Type | Bolt, Nut, Screw, Washer, Rivet, Threaded Rod, Studs, Coated, Nails, Custom Fasteners |
| Standard | Din, Iso, Jis, Gb, Is, Bs, Astm |
| Length | 6 mm up to 150 mm |
| Material | Stainless Steel, Monel, Inconel, Incoloy, Hastelloy, Nickel, Silicon Bronze, Phosphor Bronze |
Alloy Steel Fasteners Supplier in Saudi Arabia Offering Fasteners for Oil & Gas, Petrochemical & Power Industries
Material & Grades of Alloy Steel Fasteners
Alloy Steel Fasteners are manufactured in various grades designed to provide superior mechanical strength, resistance to wear, and long service life. Selecting the appropriate grade ensures reliable performance in industries such as construction, heavy engineering, petrochemicals, and energy production.
| Material | Grade / Standard | Specification | Type | Applications |
|---|---|---|---|---|
| Alloy Steel | ASTM A193 B7 | ASTM | Bolt / Stud | Petrochemical plants |
| Alloy Steel | ASTM A193 B16 | ASTM | Stud Bolt | High-temperature equipment |
| Alloy Steel | ASTM A320 L7 | ASTM | Nut / Bolt | Low temperature services |
| Alloy Steel | EN 42CrMo4 | DIN | Bolt | Structural engineering |
| Alloy Steel | AISI 4140 | ASTM | Fastener | Heavy machinery |
Key Features & Advantages
- High tensile strength and load-bearing capability
- Excellent resistance to wear and fatigue
- Suitable for high-temperature and high-pressure applications
- Superior durability in demanding industrial environments
- Good resistance to corrosion and oxidation
- Reliable performance in heavy engineering projects
- Available in various grades, sizes, and specifications
Chemical Composition (Example: ASTM A193 B7)
| Element | Percentage (%) |
|---|---|
| Carbon (C) | 0.37 – 0.49 |
| Manganese (Mn) | 0.65 – 1.10 |
| Chromium (Cr) | 0.75 – 1.20 |
| Molybdenum (Mo) | 0.15 – 0.25 |
| Silicon (Si) | 0.15 – 0.35 |
| Phosphorus (P) | 0.035 max |
Mechanical Properties (Example: ASTM A193 B7)
| Property | Value |
|---|---|
| Tensile Strength | 860 MPa (min) |
| Yield Strength | 720 MPa (min) |
| Elongation | 16% (min) |
| Hardness | 35 HRC (max) |
Equivalent Grade
| Standard | Grade |
|---|---|
| ASTM | A193 B7 |
| DIN | 42CrMo4 |
| AISI | 4140 |
| EN | 1.7225 |
Type of Sub-products

Alloy Steel Hex Bolts Alloy Steel Hex Bolts
Hex bolts feature a six sided head for wrench compatibility, made from high strength alloy steel. Commonly used in structural steelwork, heavy machinery, and automotive industries, they provide reliable clamping force and resistance to shear and tension.

Alloy Steel Socket Head Cap Screws Alloy Steel Socket Head Cap Screws
These screws have cylindrical heads with recessed hex drives for high torque fastening. Preferred in precision machinery and automotive applications, they offer excellent tensile strength and corrosion resistance.
