Home > Stainless Steel 321 / 321H Bolts
Request For Our Latest Prices On Stainless Steel 321 / 321H Bolts in Delhi, India!
At Punit Fasteners, we are a leading manufacturer and supplier of Stainless Steel 321/321H bolts in Delhi, India. Our bolts are engineered for high-temperature applications, offering exceptional resistance to oxidation and corrosion. Ideal for use in aerospace, automotive, and chemical processing industries, our Stainless Steel 321/321H bolts adhere to stringent quality standards to ensure durability and reliable performance. Trust us for precision-engineered bolts that deliver consistent results in demanding industrial environments.
Punit Fasteners, a Delhi, India-based renowned manufacturer and supplier, provides high–quality Stainless Steel 321/321H Bolts for their superior high-temperature strength, oxidation resistance, and consistency in corrosive atmospheres. The titanium-stabilized austenitic stainless steel bolts have a high corrosion resistance against intergranular corrosion and retain their mechanical properties at higher temperature levels. Our 321/321H bolts are suitable to be utilized in aerospace, automotive, chemical, and medical industries with their provision of performance, lifespan, and structural integrity. We, at Punit Fasteners, are determined to provide precision-engineered products made in accordance with international quality standards and meeting the vital fastening requirements of various industrial segments.
| 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, Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts. |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 347 | min. | – | – | – | – | – | 17.0 | 2.00 | 9.0 | – |
| max. | 0.08 | 2.0 | 1.00 | 0.045 | 0.030 | 20.0 | 3.00 | 13.0 | – | |
| 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 | ||||
| 347 | 515 | 205 | 40 | 95 | 201 |
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 321/321H Bolts consist of 17–19% chromium, 9–12% nickel, and titanium for stabilization, with 321H having higher carbon content for improved high-temperature strength. These bolts provide superior mechanical properties, such as high tensile strength, creep resistance, and oxidation resistance up to 900°C (1650°F). Their titanium content avoids carbide precipitation on welding, enhancing intergranular corrosion resistance. 321H offers additional toughness in long-term high-temperature service. Their corrosion resistance, thermal stability, and weldability are good enough to place them in structural applications that experience heat and stress.
Stainless Steel 321/321H Bolts are utilized widely in corrosive and high-temperature conditions, particularly in the automotive and aerospace sectors, where they secure parts within exhaust systems, jet engines, and high-performance engines. In the chemical sector, their sulfuric and phosphoric acid resistance makes them suitable for use in reactors and pipelines. Stainless Steel 321/321H Bolts are also utilized in heat exchangers, medical equipment, and drug-making machinery, where sanitary and corrosion-resistant fasteners are required. Their long-term resistance to high-pressure conditions and intergranular corrosion render them a reliable choice for effective deployment in long-term applications in critical and precision-based industries.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
©2024 Punit Fasteners All Rights Reserved.
