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Mira Fasteners is a reliable manufacturer and supplier of ASTM A193 B8C Stud Bolts, proudly based in Kuala Lumpur, Malaysia. These stud bolts are specially designed to withstand high temperatures and corrosive environments, making them perfect for industries like chemical processing, oil & gas, power generation, and marine applications. At Mira Fasteners, every stud bolt is crafted to meet international standards, thanks to meticulous manufacturing processes and strict quality control. With a commitment to dependable performance and timely delivery, they cater to clients across Malaysia and the wider Southeast Asia region.
The ASTM A193 B8C Stud Bolts are constructed from AISI 347 stainless steel, a columbium-stabilized austenitic alloy that boasts remarkable resistance to intergranular corrosion, even post-welding. These bolts provide a minimum tensile strength of 515 MPa and excel in high-temperature settings. The columbium content significantly improves resistance to carbide precipitation during intense heat applications, making B8C stud bolts particularly suitable for equipment that undergoes thermal cycling, such as heat exchangers, boilers, and reactor systems.
| 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% |
| Tensile Strength/Ultimate Tensile Stress (UTS) – (Mpa) | 515 |
| Yield Strength/Proof Stress(0.2% Offset) (YS) – (Mpa) | 205 |
| Elongation in 4D (El) | 30 |
| Reduction | 50 |
| Hardness – (BHN) | 0 |
|
Material |
Specification |
Standards |
Size
|
Length |
|
ASTM A193 B8C Stud Bolt
|
IS
BS
ASTM
|
DIN, ISO, JIS, GB, IS, BS, ASTM |
M 02 to M 160
|
3 mm to 200 mm
|
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.
These fully threaded stud bolts are frequently utilized in flanged joints, pressure vessels, and piping systems where stability and long-lasting resistance to corrosion and heat are crucial. They pair perfectly with ASTM A194 Grade 8C nuts, ensuring a secure and reliable fastening assembly for critical operations. Mira Fasteners offers ASTM A193 B8C Stud Bolts in a variety of sizes, thread forms, and finishes to accommodate different project and environmental needs. With their robust mechanical properties and corrosion-resistant design, B8C stud bolts provide reliable performance even in the toughest service conditions.
At Mira Fasteners, we ensure the highest quality for our ASTM A193 B8C stud bolts through meticulous packaging. Each stud bolt is carefully inspected and packed in robust, tamper-evident containers to prevent damage during transit. Our packaging includes clear, industry-standard labeling for easy identification and traceability. Designed to protect against environmental factors, our packaging solutions ensure that the fasteners arrive in optimal condition, ready for use in high-temperature and high-pressure applications.
Mira Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kuala lumpur, Malaysia, with over 8 years of experience serving global industries.
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