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Poang Fasteners is a reputable manufacturer and supplier located in Da Nang, Vietnam, focusing on top-notch Stainless Steel 304 Fasteners. Known for their precision engineering and durability, Poang offers a diverse selection of bolts, nuts, screws, studs, and washers that adhere to international standards. Stainless Steel 304 Fasteners are celebrated for their remarkable corrosion resistance, strength, and longevity, making them perfect for a variety of industrial and structural uses. Poang guarantees that each product is crafted with rigorous quality control, serving industries such as construction, marine, petrochemical, and automotive with dependable fastening solutions.
These fasteners are primarily made up of 18–20% chromium and 8–10.5% nickel, which provide them with exceptional corrosion resistance and non-magnetic characteristics. They also include controlled amounts of carbon (up to 0.08%), manganese, silicon, phosphorus, and sulfur. With a tensile strength of about 515 MPa and a yield strength of 205 MPa, these fasteners deliver impressive toughness, ductility, and resistance to oxidation. Their well-balanced chemical makeup ensures durability even in challenging environments, making Stainless Steel 304 Fasteners a popular choice in general engineering and industrial applications.
Material | Specification | Standards | Size | Length |
ASTM A193 B7 Bolt | IS BS ASTM | DIN, ISO, JIS, GB, IS, BS, ASTM | M 02 to M 160 | 3 mm to 200 mm |
| Grade | Size | Tensile ksi, min | Yield, ksi, min | Elong, %, min | RA % min |
| B7 | 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 | |
| B8 Class 1 | All | 75 | 30 | 30 | 50 |
| B8M Class 1 | All | 75 | 30 | 30 | 50 |
| B8 Class 2 | Up to 3/4 | 125 | 100 | 12 | 35 |
| 7/8 – 1 | 115 | 80 | 15 | 35 | |
| 1-1/8 – 1-1/4 | 105 | 65 | 20 | 35 | |
| 1-3/8 – 1-1/2 | 100 | 50 | 28 | 45 |
| Element | B7 | B8 | B8M |
| Carbon | 0.37 – 0.49% | 0.08% max | 0.08% max |
| Manganese | 0.65 – 1.10% | 2.00% max | 2.00% max |
| Phosphorus, max | 0.035% | 0.045% | 0.045% |
| Sulfur, max | 0.040% | 0.030% | 0.030% |
| Silicon | 0.15 – 0.35% | 1.00% max | 1.00% max |
| Chromium | 0.75 – 1.20% | 18.0 – 20.0% | 16.0 – 18.0% |
| Nickel | 8.0 – 11.0% | 10.0 – 14.0% | |
| Molybdenum | 0.15 – 0.25% | 2.00 – 3.00% |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
ASTM A193 B7 bolts are widely used in high-stress environments such as oil and gas pipelines, power plants, and petrochemical facilities. Their high tensile strength and resistance to extreme temperatures make them ideal for securing flanges, valves, and heavy machinery. They are also employed in construction projects and structural assemblies where reliability and durability are crucial. Designed to handle severe conditions, these bolts ensure stability and safety in demanding industrial and infrastructure applications.
The applications of Stainless Steel 304 Fasteners are vast, thanks to their reliability and strength. In construction, they are utilized for structural frameworks, bridges, and various infrastructure projects. In the marine sector, they withstand corrosion from seawater, making them ideal for ships and offshore platforms. The petrochemical and chemical industries rely on these fasteners for processing equipment that endures high temperatures and corrosive materials. Moreover, they find use in automotive, food processing, and pharmaceutical sectors, where hygiene, durability, and wear resistance are essential. Their versatility truly makes them a vital component in modern engineering.
Poang Fasteners is a leading manufacturer and supplier of high-quality fasteners in Da Nang, Vietnam, with over 8 years of experience serving global industries.
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