| Size | 3mm-14mm |
|---|---|
| Type | Bolt, Nut, Screw, Washer, Rivet, Threaded Rod, Studs, Coated, Nails, Custom Fasteners |
| Standard | Din, Iso, Gb, Jis, Is, Bs, Astm |
| Length | 3m - 6m |
| Material | Stainless Steel, Silicon Bronze, Monel, Phosphor Bronze, Inconel, Incoloy, Nickel |
ASTM A193 B8 Austenitic Stainless Steel Fasteners Supplier (304 / UNS S30400 / DIN 1.4301 / EN X5CrNi18-10)
Aashish Steel is a leading ASTM A193 B8 Fasteners manufacturer in India, offering high-quality fastening solutions for critical applications. These fasteners are made from austenitic stainless steel, ensuring excellent strength, corrosion resistance, and durability in high-temperature and high-pressure environments. Widely used in industries such as petrochemical, construction, marine, and power generation, ASTM A193 B8 Fasteners provide superior mechanical properties and long-lasting performance. Designed to withstand harsh conditions, they are ideal for use in flanged joints, pressure vessels, and structural assemblies requiring reliable fastening solutions. As a trusted ASTM A193 B8 Fasteners supplier in India, we ensures strict adherence to international quality standards, delivering products that meet industry specifications. Our fasteners undergo rigorous testing to ensure high tensile strength, excellent resistance to oxidation, and exceptional durability. Available in various sizes, threads, and coatings, they are customized to suit specific industrial needs. With a commitment to precision engineering and customer satisfaction, We provides dependable fastening solutions that enhance the efficiency and safety of industrial operations.
ASTM A193 B8 Fasteners – Grade & Equivalent Standards Table
| Standard / Specification | Grade / Designation |
|---|---|
| ASTM A193 | Grade B8 |
| UNS | S30400 |
| AISI | 304 |
| DIN | 1.4301 |
| EN | X5CrNi18-10 |
| JIS | SUS 304 |
| BS | 304S31 |
| AFNOR | Z6CN18-09 |
| ISO | X5CrNi18-10 |
| Material Type | Austenitic Stainless Steel |
ASTM A193 B8 Fasteners are produced using austenitic stainless steel and the product satisfies the Grade B8 requirement of the ASTM A193 specification. This grade is grade UNS S30400, and is widely referred to as AISI 304 stainless steel, with other similar standards such as DIN 1.4301, EN X5CrNi18-10, JIS SUS 304 and BS 304S31. These equivalents guarantee international acceptance and interchangeability of international engineering and fastening standards.
Grade B8 fasteners are also provided in other classes such as Class 1 and Class 2 which differs depending on the amount of strain hardening provided during manufacturing. ASTM A193 B8 has austenitic structure which offers uniform mechanical properties, strong corrosion resistance, and dependable performance in bolting assemblies when specifications and dimensional accuracy of materials meet the international standard.
ASTM A193 B8 Fasteners Weight Chart in KG, MM, PDF
| Bolt Size (Inch) | Thread | Length (mm) | Weight per 100 pcs (kg) | Weight per pc (kg) |
|---|---|---|---|---|
| 1/4" | UNC | 50 | 1.20 | 0.012 |
| 5/16" | UNC | 60 | 2.10 | 0.021 |
| 3/8" | UNC | 65 | 3.50 | 0.035 |
| 1/2" | UNC | 75 | 7.20 | 0.072 |
| 5/8" | UNC | 90 | 12.50 | 0.125 |
| 3/4" | UNC | 100 | 20.80 | 0.208 |
| 7/8" | UNC | 120 | 32.00 | 0.320 |
| 1" | UNC | 130 | 48.00 | 0.480 |
| 1 1/8" | UNC | 140 | 68.50 | 0.685 |
| 1 1/4" | UNC | 150 | 95.00 | 0.950 |
| 1 1/2" | UNC | 180 | 155.00 | 1.550 |
Type of Sub-products

Astm A193 B8 Bolts Astm A193 B8 Bolts
Excellent—especially against intergranular corrosion at elevated temperatures.

Astm A193 B8 Nuts Astm A193 B8 Nuts
Passivation removes contaminants and enhances corrosion resistance
