Hardness testing to ISO 6508-1
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Stainless Steel 321 Eye Bolts are renowned for their excellent resistance to high temperatures and oxidation, making them ideal for use in challenging environments such as chemical processing and aerospace applications. At Vision Alloys, we produce these eye bolts to meet ASTM A313, ASME SA313, and DIN 444 standards. This ensures our products maintain integrity and performance under extreme conditions, providing reliable and durable solutions for lifting and securing applications.
As a prominent stainless steel 321 eye bolts manufacturer, we ensure that our eye bolts are crafted from 321 stainless steel, a material known for its enhanced resistance to corrosion and oxidation compared to standard 304 stainless steel. The typical composition of SS 321 eye bolts includes 17-19% chromium and 9-12% nickel, with the addition of titanium to stabilize the structure against sensitization during welding and high-temperature service. This composition makes the eye bolts suitable for use in environments exposed to temperatures up to 900°C (1650°F).
Features:
As a leading stainless steel 321 eye bolts supplier in India, we provide a diverse range of eye bolts to meet various industrial needs. We offer these 321 eye bolts in various sizes and configurations, with precise stainless steel 321 eye bolt dimensions to fit specific applications. Our products are thoroughly tested for quality and performance, ensuring that they meet the highest safety and reliability standards. Our eye bolts are designed to deliver consistent performance, whether for heavy-duty lifting or general securing tasks.
The price of stainless steel 321 eye bolts is influenced by size, quantity, and market conditions. Typically, the cost of SS 321 lifting eye bolts ranges from approximately ₹200 to ₹800 per unit, depending on the specifications and order volume. We strive to offer competitive pricing while maintaining the highest quality standards, ensuring our clients receive excellent value for their investment.
At Vision Alloys, our commitment to excellence extends beyond merely supplying products. We provide expert advice and technical support to help clients select the appropriate 321 SS eye bolt. Our extensive industry knowledge and experience enable us to offer tailored solutions that enhance the performance and safety of lifting and securing operations. With a focus on quality, reliability, and customer satisfaction, we are dedicated to meeting and exceeding our clients' expectations in every project.
Specifications | ASTM F593, A193 / ASME SA193 |
Standard | DIN, ISO, JIS, GB, IS, BS, ASTM and all International Standards |
Diameter | M3 to M72 |
Threads | METRIC, BSW, BSF, UNC, UNF or as required |
DIN Standard | B.S. DIN 933, DIN 931, DIN 934, DIN 912, DIN 603, DIN 6923, DIN 970, DIN 7981, DIN 7982, DIN916, DIN 913, DIN 7985 |
UTS | UNC, UNF, UNEF, UNS, NPT, NPTF |
Dimensions | ASME B18.6.3 **Exception: screws 6 inches and shorter are fully threaded. |
ISO | ISO 4032, ISO 4033, ISO 4017, ISO7380 JIS standards |
Surface treatment | Passivation, Polish, Anodizing, Sand blasting, Black oxide coating, Heat-disposing, Rust preventive oil, Hot dip galvanized Eye Bolts, Electroplating (color, blue, white, black zinc, Ni, Cr, tin, copper, silver). |
Heat Treatment:
Stainless Steel 321, as an alloy, undergoes a specific heat treatment process to optimize its properties, including its heat resistance and corrosion resistance. The heat treatment typically involves annealing, which helps to reduce the risk of intergranular corrosion and enhances the material's high-temperature strength. The specific heat treatment process may include:
Annealing:
This process involves heating the material to a specific temperature range and then slowly cooling it. Annealing helps to reduce the risk of sensitization, a condition where chromium carbides can form along the grain boundaries, making the material susceptible to corrosion. By stabilizing the alloy, Stainless Steel 321 is made more suitable for high-temperature and corrosive environments.
To preserve the high standards of our selection of industrial Eye Bolt, we have always adhered to a systematic quality management process.
Our staff of experts is vibrant and talented, and they have always been our largest supporters and contributors to our success. Our vision is to create a world of Eye Bolt.
Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
BS | En | No | Name | ||||
321 | S32100 | 321S31 | 58B, 58C | 1.4541 | X6CrNiTi18-10 | 2337 | SUS 321 |
Grade | Mn | N | P | C | S | Cr | Mo | Si | Ni | Other | |
321 | min. max | 2.00 | 0.10 | 0.045 | - 0.08 | 0.030 | 17.0 19.0 | - | 0.75 | 9.0 12.0 | Ti=5(C+N) 0.70 |
Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
Rockwell B (HR B) max | Brinell (HB) max | ||||
321 | 515 | 205 | 40 | 95 | 217 |
Hardness testing to ISO 6508-1
Nut proof load testing to ISO 898-2
Suitability for preloading to EN 14399-2
Calibrated gauges and tools
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