Request For Our Latest Prices On Stainless Steel 446 Bolts in Kolkata, India!
Rinku Fasteners is a leading manufacturer of stainless steel 446 bolts manufactured to national and international standards. We offer these bolts in sizes, thicknesses and finishes to meet the requirements of various industries. Our extensive stock ensures availability and on-time delivery, making us the preferred option for customers looking for quality stainless steel fasteners. Committed to providing excellence, we ensure that our products meet rigorous quality standards, ensuring reliability and durability in every application.
Stainless steel 446 bolts are made of high chromium (23-30%), low carbon, silicon, manganese, phosphorus, sulfur, molybdenum etc. They provide exceptional resistance to oxidation, sulfidation and high-temperature corrosion. These bolts are very strong and remain strong at temperatures up to 1100°C. Advantages include excellent thermal stability, scaling resistance and long life, making it ideal for use in harsh environments such as furnaces, heat exchangers and chemical processing equipment.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 446 | min. | – | – | – | – | – | 23.0 | – | – | 0.10 |
| max. | 0.2 | 1.5 | 0.75 | 0.040 | 0.030 | 30.0 | – | 0.50 | 0.25 | |
| 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 | ||||
| 446 | 485 | 275 | 20 | 92 | 201 |
| Specifications | : | ASTM A 193 ASME SA 193 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | : | Hex Head Bolts, Square Bolts, U bolts, Eye bolts, T bolt, Hex Bolt, Lag Bolts, Counter sunk Bolts. |
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.
Stainless steel 446 bolts are widely used in high-temperature applications, such as furnace components, heat exchangers, and oven components, due to their excellent oxidation and corrosion resistance. Applications in electricity generation, chemical manufacturing and petrochemical industries for the occurrence of equipment exposed to extreme weather conditions. Their excellent strength and durability make them suitable for marine applications and industrial boilers, providing reliable performance in extreme conditions.
We ensure the quality of our materials and strive for absolute customer satisfaction by rigorously checking the quality of all our products. Our advanced testing methods include hardness testing, chemical analysis using spectroanalysis, positive material identification (PMI), levelling testing, micro-macro testing, pitting resistance testing, flare testing, and intergranular corrosion testing. Through this analysis following on this whole, we guarantee that our products meet the highest standards of quality and performance.
Rinku Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kolkata, India, with over 8 years of experience serving global industries.
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