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Rinku Fasteners, based in Kolkata, India, has made a name for itself as a top-notch manufacturer and supplier of ASTM A193 B8M Stud Bolts. With a keen eye on precision engineering, high-quality raw materials, and rigorous quality control, they consistently provide fastening solutions that align with international standards. Rinku Fasteners specializes in creating corrosion-resistant and high-strength studs tailored for tough industrial settings. Backed by state-of-the-art manufacturing facilities and a strong focus on customer satisfaction, they cater to sectors like petrochemical plants, refineries, marine industries, power generation, and heavy engineering. Their commitment to reliability, timely delivery, and consistent product performance has earned them a reputation as a trusted source for ASTM A193 B8M Stud Bolts.
ASTM A193 B8M Stud Bolts are crafted from austenitic stainless steel, usually Grade 316, which includes chromium, nickel, and molybdenum. This specific alloy mix offers remarkable resistance to pitting, crevice corrosion, and chemical attacks, particularly in environments rich in chlorides. In terms of mechanical properties, B8M Stud Bolts exhibit impressive tensile and yield strength, outstanding ductility, and stable performance even at high temperatures. Their corrosion resistance surpasses that of standard B8 materials, ensuring they maintain their integrity in challenging conditions. These characteristics make B8M studs perfect for high-pressure, high-temperature, and corrosive applications.
| Element | B8 | 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% |
| 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 |
|
Material |
Specification |
Standards |
Size
|
Length |
|
ASTM A193 B8M StudBolt
|
IS
BS
ASTM
|
DIN, ISO, JIS, GB, IS, BS, ASTM |
M 02 to M 160
|
3 mm to 200
|
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 B8M Stud Bolts are crafted from austenitic stainless steel, usually Grade 316, which includes chromium, nickel, and molybdenum. This specific alloy mix offers remarkable resistance to pitting, crevice corrosion, and chemical attacks, particularly in environments rich in chlorides. In terms of mechanical properties, B8M Stud Bolts exhibit impressive tensile and yield strength, outstanding ductility, and stable performance even at high temperatures. Their corrosion resistance surpasses that of standard B8 materials, ensuring they maintain their integrity in challenging conditions. These characteristics make B8M studs perfect for high-pressure, high-temperature, and corrosive applications.
Rinku Fasteners ensures that ASTM A193 B8M stud bolts are meticulously packaged to maintain their quality and integrity. Each bolt is individually inspected and then securely packed in robust, moisture-resistant materials to prevent damage during transit. Packaging options include sturdy cartons or wooden crates, depending on order size and customer specifications. The packaging also features clear labeling for easy identification and traceability, ensuring that the bolts reach their destination in optimal condition.
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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