High-performance fasteners noted for their outstanding corrosion resistance, particularly in chloride and maritime conditions, are SS 316 bolt and nut sets. These fasteners are made to function dependably in extremely corrosive environments, like saltwater applications, chemical processing facilities, and coastal building. Compared to conventional 304-grade fasteners, SS 316 is substantially more durable and stronger due to the addition of molybdenum (Mo). To meet the diversified needs of the industry, Stainless Bolt Industries manufactures and supplies SS 316 bolts and nuts in a range of sizes, thread types, and finishes. The oil and gas, petrochemical, marine, food processing, pharmaceutical, and heavy engineering industries all make extensive use of them.
SS 316 bolt and nut pairs are designed to function exceptionally well in harsh and corrosive conditions. Because molybdenum (Mo) is present in the alloy, these fasteners, which are made from stainless steel grade 316, have improved resistance to pitting, crevice corrosion, and chemical exposure. Because of this, they are perfect for use in offshore structures, chemical processing, marine applications, the food and beverage sector, and pharmaceutical equipment. In situations where ordinary stainless steel might not hold up, SS 316 fasteners offer long-lasting dependability in addition to strength and durability.
The stainless steel nuts provided by us are enriched with the following features.
Element | Content (%) |
---|---|
Carbon (C) | ≤ 0.08 |
Manganese (Mn) | ≤ 2.00 |
Phosphorus (P) | ≤ 0.045 |
Sulfur (S) | ≤ 0.030 |
Silicon (Si) | ≤ 1.00 |
Element | Content (%) |
---|---|
Chromium (Cr) | 16.0 – 18.0 |
Nickel (Ni) | 10.0 – 14.0 |
Molybdenum (Mo) | 2.0 – 3.0 |
Iron (Fe) | Balance |
Parameter | Specification |
Product Name | SS 316 Bolt & Nut |
Material | Stainless Steel 316 (AISI 316 / EN 1.4401) |
Type | Hex Bolt & Hex Nut / Custom Head & Thread Types |
Size Range | M3 to M64 / 1/8" to 2.5" |
Thread Types | Metric (MM), UNC, UNF, BSW |
Standards | ASTM A193/A194, DIN 931/933, ISO 4014/4032 |
Tensile Strength | ≥ 515 MPa |
Yield Strength | ≥ 205 MPa |
Hardness | 80–95 HRB |
Temperature Resistance | Up to 870°C (1600°F) |
Corrosion Resistance | Excellent – Marine & Chemical Safe |
Magnetic Properties | Non-magnetic in annealed condition |
Finish Options | Natural, Passivated, Electro-Polished |
Applications | Marine, Oil & Gas, Food, Pharma, Petrochemical |