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ASTM A193 B9 fasteners are high-strength materials designed for use in high-temperature environments. Made from chromium-molybdenum steel, these fasteners offer exceptional resistance to heat cycling and stress, making them ideal for use in the petrochemical and power generation industries Rinku Fasteners especially have ASTM A193 B9 fasteners meeting stringent standards a it’s about quality, ensuring durability and performance under harsh conditions. Trust Rinku Fasteners for reliable, high-quality fasteners to fit your demanding needs.
Rinku Fasteners located in Kolkata, India is one of the top-notch manufacturers and worldwide exporters of high-quality ASTM A193 B9 bolting products. Rinku Fasteners has gained a lot of attraction for precision engineering and their quality standards are very strict, hence their fasteners are made to conform to the severe working conditions of high-temperature and high-pressure environments. Rinku Fasteners guarantees that each unit is subjected to hardness, tensile strength and wear resistance tests. The company providing the fasteners with the excellent combination of performance and service life has been the choice of the Indian industry for a long time. The defying the most stringent specifications in fixing mission is what Rinku Fasteners’ ASTM A193 B9 range is all about, hence they are the perfect choice for such applications in industrial, chemical, and power sectors.
| Element | B9 | B9 | B9M |
| 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 |
| B9 | 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 | |
| B9 Class 1 | All | 75 | 30 | 30 | 50 |
| B9M Class 1 | All | 75 | 30 | 30 | 50 |
| B9 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 | |
| B9 Class 2 | Up to 3/4 | 110 | 95 | 15 | 45 |
| 7/8 – 1 | 100 | 80 | 20 | 45 | |
| 1-1/8 – 1-1/4 | 95 | 65 | 25 | 45 | |
| 1-3/8 – 1-1/2 | 90 | 50 | 30 | 45 |
|
Material |
Specification |
Standards |
Size |
Length |
|
ASTM A193 B9 Fasteners
|
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.
ASTM A193 B9 fasteners are essentially composed of a premium quality chromium-molybdenum steel, which imparts very high strength and good toughness to the same. In fact, among other high performance characteristics, the tensile strength of these fasteners is generally close to 125 ksi, while the yield strength is around 105 ksi, thus they can be relied upon for long-term usage in heavy-load conditions. Besides, these fasteners can still perform their functions safely at elevated temperature of 1000°F (540°C) and also they have very good corrosion resistance properties. Part of their features being precision heat treatment, it has been done to improve the fastener hardness and wear resistance, and at the same time, the strict dimensional controls ensure the fastener always fits. The chemical composition and the mechanical properties of ASTM A193 B9 fasteners are such that they can be used as first choice in heavy-duty industrial applications where safety is a concern.
ASTM A193 B9 fasteners are impressively common in situations that involve extreme high temperatures and pressures. Examples of such situation include steam boilers, pressure vessels,aredom, and equipment used in power generation. HSC[thick] flanges, valves, and pipe connections can be safely and securely bolted with them, thus, safety and operational integrity can be maintained under the most challenging conditions of use. These types of fasteners can also be found in oil and gas sectors, refineries, and chemical plants, where their strength against heat, corrosion, and mechanical stress is a must. Their excellent performance and conformity with ASTM standards are the reasons why they are among the most welcomed solutions by engineers and industries, who are in need of strong, durable, and reliable fastening means.
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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